A set of cognitive functions that controls complex, goal-directed thought and behavior. Executive function involves multiple domains, such as CONCEPT FORMATION, goal management, cognitive flexibility, INHIBITION control, and WORKING MEMORY. Impaired executive function is seen in a range of disorders, e.g., SCHIZOPHRENIA; and ADHD.
Tests designed to assess neurological function associated with certain behaviors. They are used in diagnosing brain dysfunction or damage and central nervous system disorders or injury.
Disturbances in mental processes related to learning, thinking, reasoning, and judgment.
Intellectual or mental process whereby an organism obtains knowledge.
The subject's ability to connect 25 numbered and lettered circles in sequence in a specific length of time. A score of 12 or below is suggestive of organic brain damage.
A learning situation involving more than one alternative from which a selection is made in order to attain a specific goal.
Focusing on certain aspects of current experience to the exclusion of others. It is the act of heeding or taking notice or concentrating.
Remembrance of information for a few seconds to hours.
Timed test in which the subject must read a list of words or identify colors presented with varying instructions and different degrees of distraction. (Campbell's Psychiatric Dictionary. 8th ed.)
Complex mental function having four distinct phases: (1) memorizing or learning, (2) retention, (3) recall, and (4) recognition. Clinically, it is usually subdivided into immediate, recent, and remote memory.
The interference with or prevention of a behavioral or verbal response even though the stimulus for that response is present; in psychoanalysis the unconscious restraining of an instinctual process.
The ability to learn and to deal with new situations and to deal effectively with tasks involving abstractions.
The coordination of a sensory or ideational (cognitive) process and a motor activity.
Disturbances in registering an impression, in the retention of an acquired impression, or in the recall of an impression. Memory impairments are associated with DEMENTIA; CRANIOCEREBRAL TRAUMA; ENCEPHALITIS; ALCOHOLISM (see also ALCOHOL AMNESTIC DISORDER); SCHIZOPHRENIA; and other conditions.
Includes both producing and responding to words, either written or spoken.
Conceptual functions or thinking in all its forms.
Readiness to think or respond in a predetermined way when confronted with a problem or stimulus situation.
The part of the cerebral hemisphere anterior to the central sulcus, and anterior and superior to the lateral sulcus.
Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques.
Standardized tests that measure the present general ability or aptitude for intellectual performance.
Tests designed to measure intellectual functioning in children and adults.
The rostral part of the frontal lobe, bounded by the inferior precentral fissure in humans, which receives projection fibers from the MEDIODORSAL NUCLEUS OF THE THALAMUS. The prefrontal cortex receives afferent fibers from numerous structures of the DIENCEPHALON; MESENCEPHALON; and LIMBIC SYSTEM as well as cortical afferents of visual, auditory, and somatic origin.
Learning to respond verbally to a verbal stimulus cue.
The time from the onset of a stimulus until a response is observed.
A behavior disorder originating in childhood in which the essential features are signs of developmentally inappropriate inattention, impulsivity, and hyperactivity. Although most individuals have symptoms of both inattention and hyperactivity-impulsivity, one or the other pattern may be predominant. The disorder is more frequent in males than females. Onset is in childhood. Symptoms often attenuate during late adolescence although a minority experience the full complement of symptoms into mid-adulthood. (From DSM-V)
The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM.
The detailed examination of observable activity or behavior associated with the execution or completion of a required function or unit of work.
A prodromal phase of cognitive decline that may precede the emergence of ALZHEIMER DISEASE and other dementias. It may include impairment of cognition, such as impairments in language, visuospatial awareness, ATTENTION and MEMORY.
Those forms of control which are exerted in less concrete and tangible ways, as through folkways, mores, conventions, and public sentiment.
The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time.
A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable.
Those psychological characteristics which differentiate individuals from one another.
A severe emotional disorder of psychotic depth characteristically marked by a retreat from reality with delusion formation, HALLUCINATIONS, emotional disharmony, and regressive behavior.
Imaging techniques used to colocalize sites of brain functions or physiological activity with brain structures.
An acquired organic mental disorder with loss of intellectual abilities of sufficient severity to interfere with social or occupational functioning. The dysfunction is multifaceted and involves memory, behavior, personality, judgment, attention, spatial relations, language, abstract thought, and other executive functions. The intellectual decline is usually progressive, and initially spares the level of consciousness.
Assessment of psychological variables by the application of mathematical procedures.
The process whereby a representation of past experience is elicited.
Study of mental processes and behavior of schizophrenics.
Acute and chronic (see also BRAIN INJURIES, CHRONIC) injuries to the brain, including the cerebral hemispheres, CEREBELLUM, and BRAIN STEM. Clinical manifestations depend on the nature of injury. Diffuse trauma to the brain is frequently associated with DIFFUSE AXONAL INJURY or COMA, POST-TRAUMATIC. Localized injuries may be associated with NEUROBEHAVIORAL MANIFESTATIONS; HEMIPARESIS, or other focal neurologic deficits.
Standardized procedures utilizing rating scales or interview schedules carried out by health personnel for evaluating the degree of mental illness.
Any situation where an animal or human is trained to respond differentially to two stimuli (e.g., approach and avoidance) under reward and punishment conditions and subsequently trained under reversed reward values (i.e., the approach which was previously rewarded is punished and vice versa).
Enzyme that catalyzes the movement of a methyl group from S-adenosylmethionone to a catechol or a catecholamine.
Lists of words to which individuals are asked to respond ascertaining the conceptual meaning held by the individual.
Standardized clinical interview used to assess current psychopathology by scaling patient responses to the questions.
Pathologic partial or complete loss of the ability to recall past experiences (AMNESIA, RETROGRADE) or to form new memories (AMNESIA, ANTEROGRADE). This condition may be of organic or psychologic origin. Organic forms of amnesia are usually associated with dysfunction of the DIENCEPHALON or HIPPOCAMPUS. (From Adams et al., Principles of Neurology, 6th ed, pp426-7)
Conditions characterized by a significant discrepancy between an individual's perceived level of intellect and their ability to acquire new language and other cognitive skills. These disorders may result from organic or psychological conditions. Relatively common subtypes include DYSLEXIA, DYSCALCULIA, and DYSGRAPHIA.
Studies which start with the identification of persons with a disease of interest and a control (comparison, referent) group without the disease. The relationship of an attribute to the disease is examined by comparing diseased and non-diseased persons with regard to the frequency or levels of the attribute in each group.
The science and art of collecting, summarizing, and analyzing data that are subject to random variation. The term is also applied to the data themselves and to the summarization of the data.
An act performed without delay, reflection, voluntary direction or obvious control in response to a stimulus.
The ability to acquire general or special types of knowledge or skill.
Behavioral manifestations of cerebral dominance in which there is preferential use and superior functioning of either the left or the right side, as in the preferred use of the right hand or right foot.
The continuous sequential physiological and psychological maturing of an individual from birth up to but not including ADOLESCENCE.
Studies in which variables relating to an individual or group of individuals are assessed over a period of time.
Those affective states which can be experienced and have arousing and motivational properties.
Decrease in the size of a cell, tissue, organ, or multiple organs, associated with a variety of pathological conditions such as abnormal cellular changes, ischemia, malnutrition, or hormonal changes.
One of the convolutions on the medial surface of the CEREBRAL HEMISPHERES. It surrounds the rostral part of the brain and CORPUS CALLOSUM and forms part of the LIMBIC SYSTEM.
'Reading' in a medical context often refers to the act or process of a person interpreting and comprehending written or printed symbols, such as letters or words, for the purpose of deriving information or meaning from them.
The ability to speak, read, or write several languages or many languages with some facility. Bilingualism is the most common form. (From Random House Unabridged Dictionary, 2d ed)
Type of declarative memory, consisting of personal memory in contrast to general knowledge.
Tests designed to assess language behavior and abilities. They include tests of vocabulary, comprehension, grammar and functional use of language, e.g., Development Sentence Scoring, Receptive-Expressive Emergent Language Scale, Parsons Language Sample, Utah Test of Language Development, Michigan Language Inventory and Verbal Language Development Scale, Illinois Test of Psycholinguistic Abilities, Northwestern Syntax Screening Test, Peabody Picture Vocabulary Test, Ammons Full-Range Picture Vocabulary Test, and Assessment of Children's Language Comprehension.
A verbal or nonverbal means of communicating ideas or feelings.
The observable response of a man or animal to a situation.
Non-invasive methods of visualizing the CENTRAL NERVOUS SYSTEM, especially the brain, by various imaging modalities.
A degenerative disease of the BRAIN characterized by the insidious onset of DEMENTIA. Impairment of MEMORY, judgment, attention span, and problem solving skills are followed by severe APRAXIAS and a global loss of cognitive abilities. The condition primarily occurs after age 60, and is marked pathologically by severe cortical atrophy and the triad of SENILE PLAQUES; NEUROFIBRILLARY TANGLES; and NEUROPIL THREADS. (From Adams et al., Principles of Neurology, 6th ed, pp1049-57)
Capacity that enables an individual to cope with and/or recover from the impact of a neural injury or a psychotic episode.
Physicians who serve in a medical and administrative capacity as head of an organized medical staff and who also may serve as liaison for the medical staff with the administration and governing board.
Any of various diseases affecting the white matter of the central nervous system.
Any observable response or action of a child from 24 months through 12 years of age. For neonates or children younger than 24 months, INFANT BEHAVIOR is available.
Manner or style of walking.
A technique of inputting two-dimensional images into a computer and then enhancing or analyzing the imagery into a form that is more useful to the human observer.
Levels within a diagnostic group which are established by various measurement criteria applied to the seriousness of a patient's disorder.
Procedures for finding the mathematical function which best describes the relationship between a dependent variable and one or more independent variables. In linear regression (see LINEAR MODELS) the relationship is constrained to be a straight line and LEAST-SQUARES ANALYSIS is used to determine the best fit. In logistic regression (see LOGISTIC MODELS) the dependent variable is qualitative rather than continuously variable and LIKELIHOOD FUNCTIONS are used to find the best relationship. In multiple regression, the dependent variable is considered to depend on more than a single independent variable.
Theoretical representations that simulate psychological processes and/or social processes. These include the use of mathematical equations, computers, and other electronic equipment.
Relatively permanent change in behavior that is the result of past experience or practice. The concept includes the acquisition of knowledge.
Conditions characterized by deficiencies of comprehension or expression of written and spoken forms of language. These include acquired and developmental disorders.
Performance of complex motor acts.
The feeling-tone accompaniment of an idea or mental representation. It is the most direct psychic derivative of instinct and the psychic representative of the various bodily changes by means of which instincts manifest themselves.
Evaluation of the level of physical, physiological, or mental functioning in the older population group.
Neural tracts connecting one part of the nervous system with another.
Non-specific white matter changes in the BRAIN, often seen after age 65. Changes include loss of AXONS; MYELIN pallor, GLIOSIS, loss of ependymal cells, and enlarged perivascular spaces. Leukoaraiosis is a risk factor for DEMENTIA and CEREBROVASCULAR DISORDERS.
A condition characterized by long-standing brain dysfunction or damage, usually of three months duration or longer. Potential etiologies include BRAIN INFARCTION; certain NEURODEGENERATIVE DISORDERS; CRANIOCEREBRAL TRAUMA; ANOXIA, BRAIN; ENCEPHALITIS; certain NEUROTOXICITY SYNDROMES; metabolic disorders (see BRAIN DISEASES, METABOLIC); and other conditions.
Gait abnormalities that are a manifestation of nervous system dysfunction. These conditions may be caused by a wide variety of disorders which affect motor control, sensory feedback, and muscle strength including: CENTRAL NERVOUS SYSTEM DISEASES; PERIPHERAL NERVOUS SYSTEM DISEASES; NEUROMUSCULAR DISEASES; or MUSCULAR DISEASES.
A class of nerve fibers as defined by their structure, specifically the nerve sheath arrangement. The AXONS of the myelinated nerve fibers are completely encased in a MYELIN SHEATH. They are fibers of relatively large and varied diameters. Their NEURAL CONDUCTION rates are faster than those of the unmyelinated nerve fibers (NERVE FIBERS, UNMYELINATED). Myelinated nerve fibers are present in somatic and autonomic nerves.
Mental activity, not predominantly perceptual, by which one apprehends some aspect of an object or situation based on past learning and experience.
A branch of psychology which investigates the correlation between experience or behavior and the basic neurophysiological processes. The term neuropsychology stresses the dominant role of the nervous system. It is a more narrowly defined field than physiological psychology or psychophysiology.
Age as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or the effect of a circumstance. It is used with human or animal concepts but should be differentiated from AGING, a physiological process, and TIME FACTORS which refers only to the passage of time.
Success in bringing an effort to the desired end; the degree or level of success attained in some specified area (esp. scholastic) or in general.
Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time.
A major affective disorder marked by severe mood swings (manic or major depressive episodes) and a tendency to remission and recurrence.
A term used in Eastern European research literature on brain and behavior physiology for cortical functions. It refers to the highest level of integrative function of the brain, centered in the CEREBRAL CORTEX, regulating language, thought, and behavior via sensory, motor, and cognitive processes.
A set of statistical methods for analyzing the correlations among several variables in order to estimate the number of fundamental dimensions that underlie the observed data and to describe and measure those dimensions. It is used frequently in the development of scoring systems for rating scales and questionnaires.
Educational attainment or level of education of individuals.
The selecting and organizing of visual stimuli based on the individual's past experience.
A form of interactive entertainment in which the player controls electronically generated images that appear on a video display screen. This includes video games played in the home on special machines or home computers, and those played in arcades.
An imprecise term referring to dementia associated with CEREBROVASCULAR DISORDERS, including CEREBRAL INFARCTION (single or multiple), and conditions associated with chronic BRAIN ISCHEMIA. Diffuse, cortical, and subcortical subtypes have been described. (From Gerontol Geriatr 1998 Feb;31(1):36-44)
Activities in which participants learn self-defense mainly through the use of hand-to-hand combat. Judo involves throwing an opponent to the ground while karate (which includes kung fu and tae kwon do) involves kicking and punching an opponent.
The performance of the basic activities of self care, such as dressing, ambulation, or eating.
Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.
Any behavior caused by or affecting another individual, usually of the same species.
The use of diffusion ANISOTROPY data from diffusion magnetic resonance imaging results to construct images based on the direction of the faster diffusing molecules.
The continuous sequential physiological and psychological changes during ADOLESCENCE, approximately between the age of 13 and 18.
The sum or the stock of words used by a language, a group, or an individual. (From Webster, 3d ed)
The process of making a selective intellectual judgment when presented with several complex alternatives consisting of several variables, and usually defining a course of action or an idea.
A meshlike structure composed of interconnecting nerve cells that are separated at the synaptic junction or joined to one another by cytoplasmic processes. In invertebrates, for example, the nerve net allows nerve impulses to spread over a wide area of the net because synapses can pass information in any direction.
Statistical models in which the value of a parameter for a given value of a factor is assumed to be equal to a + bx, where a and b are constants. The models predict a linear regression.
Upper central part of the cerebral hemisphere. It is located posterior to central sulcus, anterior to the OCCIPITAL LOBE, and superior to the TEMPORAL LOBES.
Elements of limited time intervals, contributing to particular results or situations.
The awareness of the spatial properties of objects; includes physical space.
Individuals who have the formal authority to manage a hospital, including its programs and services, in accordance with the goals and objectives established by a governing body (GOVERNING BOARD).
Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group.
Standardized tests designed to measure abilities, as in intelligence, aptitude, and achievement tests, or to evaluate personality traits.
Cognitive disorders characterized by an impaired ability to perceive the nature of objects or concepts through use of the sense organs. These include spatial neglect syndromes, where an individual does not attend to visual, auditory, or sensory stimuli presented from one side of the body.
Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease.
Learning that is manifested in the ability to respond differentially to various stimuli.
The internal individual struggle resulting from incompatible or opposing needs, drives, or external and internal demands. In group interactions, competitive or opposing action of incompatibles: antagonistic state or action (as of divergent ideas, interests, or persons). (from Merriam-Webster's Collegiate Dictionary, 10th ed)
Personality construct referring to an individual's perception of the locus of events as determined internally by his or her own behavior versus fate, luck, or external forces. (ERIC Thesaurus, 1996).
A scale comprising 18 symptom constructs chosen to represent relatively independent dimensions of manifest psychopathology. The initial intended use was to provide more efficient assessment of treatment response in clinical psychopharmacology research; however, the scale was readily adapted to other uses. (From Hersen, M. and Bellack, A.S., Dictionary of Behavioral Assessment Techniques, p. 87)
The thin layer of GRAY MATTER on the surface of the CEREBRAL HEMISPHERES that develops from the TELENCEPHALON and folds into gyri and sulchi. It reaches its highest development in humans and is responsible for intellectual faculties and higher mental functions.
A physical property showing different values in relation to the direction in or along which the measurement is made. The physical property may be with regard to thermal or electric conductivity or light refraction. In crystallography, it describes crystals whose index of refraction varies with the direction of the incident light. It is also called acolotropy and colotropy. The opposite of anisotropy is isotropy wherein the same values characterize the object when measured along axes in all directions.
Disorders in which there is a loss of ego boundaries or a gross impairment in reality testing with delusions or prominent hallucinations. (From DSM-IV, 1994)
The relationships between symbols and their meanings.
A sexual disorder occurring in a person 16 years or older and that is recurrent with intense sexually arousing fantasies, sexual urges, or behaviors involving sexual activity with a prepubescent child (generally age 13 or younger). (from APA, DSM-IV, 1994).
Primarily non-verbal tests designed to predict an individual's future learning ability or performance.
Adaptation of the person to the social environment. Adjustment may take place by adapting the self to the environment or by changing the environment. (From Campbell, Psychiatric Dictionary, 1996)
A progressive, degenerative neurologic disease characterized by a TREMOR that is maximal at rest, retropulsion (i.e. a tendency to fall backwards), rigidity, stooped posture, slowness of voluntary movements, and a masklike facial expression. Pathologic features include loss of melanin containing neurons in the substantia nigra and other pigmented nuclei of the brainstem. LEWY BODIES are present in the substantia nigra and locus coeruleus but may also be found in a related condition (LEWY BODY DISEASE, DIFFUSE) characterized by dementia in combination with varying degrees of parkinsonism. (Adams et al., Principles of Neurology, 6th ed, p1059, pp1067-75)
Disorders related or resulting from use of amphetamines.
In screening and diagnostic tests, the probability that a person with a positive test is a true positive (i.e., has the disease), is referred to as the predictive value of a positive test; whereas, the predictive value of a negative test is the probability that the person with a negative test does not have the disease. Predictive value is related to the sensitivity and specificity of the test.
Lower lateral part of the cerebral hemisphere responsible for auditory, olfactory, and semantic processing. It is located inferior to the lateral fissure and anterior to the OCCIPITAL LOBE.
Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which, as a whole, are followed in an attempt to determine distinguishing subgroup characteristics.
Depressive states usually of moderate intensity in contrast with major depression present in neurotic and psychotic disorders.
Conditions characterized by persistent brain damage or dysfunction as sequelae of cranial trauma. This disorder may result from DIFFUSE AXONAL INJURY; INTRACRANIAL HEMORRHAGES; BRAIN EDEMA; and other conditions. Clinical features may include DEMENTIA; focal neurologic deficits; PERSISTENT VEGETATIVE STATE; AKINETIC MUTISM; or COMA.
The act of "taking account" of an object or state of affairs. It does not imply assessment of, nor attention to the qualities or nature of the object.
Investigative technique commonly used during ELECTROENCEPHALOGRAPHY in which a series of bright light flashes or visual patterns are used to elicit brain activity.
Disorders in which there is a delay in development based on that expected for a given age level or stage of development. These impairments or disabilities originate before age 18, may be expected to continue indefinitely, and constitute a substantial impairment. Biological and nonbiological factors are involved in these disorders. (From American Psychiatric Glossary, 6th ed)
Marked impairments in the development of motor coordination such that the impairment interferes with activities of daily living. (From DSM-V)
The state of being deprived of sleep under experimental conditions, due to life events, or from a wide variety of pathophysiologic causes such as medication effect, chronic illness, psychiatric illness, or sleep disorder.
Marked depression appearing in the involution period and characterized by hallucinations, delusions, paranoia, and agitation.
The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality.
A disorder beginning in childhood. It is marked by the presence of markedly abnormal or impaired development in social interaction and communication and a markedly restricted repertoire of activity and interest. Manifestations of the disorder vary greatly depending on the developmental level and chronological age of the individual. (DSM-V)
The most common clinical form of FRONTOTEMPORAL LOBAR DEGENERATION, this dementia presents with personality and behavioral changes often associated with disinhibition, apathy, and lack of insight.
Cortical vigilance or readiness of tone, presumed to be in response to sensory stimulation via the reticular activating system.
The act of making a selection among two or more alternatives, usually after a period of deliberation.
A loosely defined group of drugs that tend to increase behavioral alertness, agitation, or excitation. They work by a variety of mechanisms, but usually not by direct excitation of neurons. The many drugs that have such actions as side effects to their main therapeutic use are not included here.
Predisposition to react to one's environment in a certain way; usually refers to mood changes.
Congenital defects of closure of one or more vertebral arches, which may be associated with malformations of the spinal cord, nerve roots, congenital fibrous bands, lipomas, and congenital cysts. These malformations range from mild (e.g., SPINA BIFIDA OCCULTA) to severe, including rachischisis where there is complete failure of neural tube and spinal cord fusion, resulting in exposure of the spinal cord at the surface. Spinal dysraphism includes all forms of spina bifida. The open form is called SPINA BIFIDA CYSTICA and the closed form is SPINA BIFIDA OCCULTA. (From Joynt, Clinical Neurology, 1992, Ch55, p34)
Mental process to visually perceive a critical number of facts (the pattern), such as characters, shapes, displays, or designs.
The act or fact of grasping the meaning, nature, or importance of; understanding. (American Heritage Dictionary, 4th ed) Includes understanding by a patient or research subject of information disclosed orally or in writing.
Principles applied to the analysis and explanation of psychological or behavioral phenomena.
Persons with no known significant health problems who are recruited to participate in research to test a new drug, device, or intervention as controls for a patient group. (from http://clinicalcenter.nih.gov/recruit/volunteers.html, accessed 2/14/2013)
Disturbances considered to be pathological based on age and stage appropriateness, e.g., conduct disturbances and anaclitic depression. This concept does not include psychoneuroses, psychoses, or personality disorders with fixed patterns.
Those disorders that have a disturbance in mood as their predominant feature.
An activity distinguished primarily by an element of risk in trying to obtain a desired goal, e.g., playing a game of chance for money.
Signals for an action; that specific portion of a perceptual field or pattern of stimuli to which a subject has learned to respond.
The persistence to perform a learned behavior (facts or experiences) after an interval has elapsed in which there has been no performance or practice of the behavior.
The consequences of exposing the FETUS in utero to certain factors, such as NUTRITION PHYSIOLOGICAL PHENOMENA; PHYSIOLOGICAL STRESS; DRUGS; RADIATION; and other physical or chemical factors. These consequences are observed later in the offspring after BIRTH.
A diagnostic technique that incorporates the measurement of molecular diffusion (such as water or metabolites) for tissue assessment by MRI. The degree of molecular movement can be measured by changes of apparent diffusion coefficient (ADC) with time, as reflected by tissue microstructure. Diffusion MRI has been used to study BRAIN ISCHEMIA and tumor response to treatment.
Disorders that feature impairment of eye movements as a primary manifestation of disease. These conditions may be divided into infranuclear, nuclear, and supranuclear disorders. Diseases of the eye muscles or oculomotor cranial nerves (III, IV, and VI) are considered infranuclear. Nuclear disorders are caused by disease of the oculomotor, trochlear, or abducens nuclei in the BRAIN STEM. Supranuclear disorders are produced by dysfunction of higher order sensory and motor systems that control eye movements, including neural networks in the CEREBRAL CORTEX; BASAL GANGLIA; CEREBELLUM; and BRAIN STEM. Ocular torticollis refers to a head tilt that is caused by an ocular misalignment. Opsoclonus refers to rapid, conjugate oscillations of the eyes in multiple directions, which may occur as a parainfectious or paraneoplastic condition (e.g., OPSOCLONUS-MYOCLONUS SYNDROME). (Adams et al., Principles of Neurology, 6th ed, p240)

Age-related slowing of task switching is associated with decreased integrity of frontoparietal white matter. (1/1281)

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Differential effects of COMT on gait and executive control in aging. (2/1281)

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Successful life outcome and management of real-world memory demands despite profound anterograde amnesia. (3/1281)

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The primary cognitive deficit among males with fragile X-associated tremor/ataxia syndrome (FXTAS) is a dysexecutive syndrome. (4/1281)

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The relationship between IQ, memory, executive function, and processing speed in recent-onset psychosis: 1-year stability and clinical outcome. (5/1281)

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Schizophrenia patients show task switching deficits consistent with N-methyl-d-aspartate system dysfunction but not global executive deficits: implications for pathophysiology of executive dysfunction in schizophrenia. (6/1281)

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Impaired modulation of attention and emotion in schizophrenia. (7/1281)

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Executive control deficits in substance-dependent individuals: a comparison of alcohol, cocaine, and methamphetamine and of men and women. (8/1281)

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Executive function is a term used to describe a set of cognitive processes that are necessary for the control and regulation of thought and behavior. These functions include:

1. Working memory: The ability to hold and manipulate information in mind over short periods of time.
2. Cognitive flexibility: The ability to switch between tasks or mental sets, and to adapt to new rules and situations.
3. Inhibitory control: The ability to inhibit or delay automatic responses, and to resist impulses and distractions.
4. Planning and organization: The ability to plan and organize actions, and to manage time and resources effectively.
5. Problem-solving: The ability to analyze problems, generate solutions, and evaluate the outcomes of actions.
6. Decision-making: The ability to weigh risks and benefits, and to make informed choices based on available information.
7. Emotional regulation: The ability to manage and regulate emotions, and to respond appropriately to social cues and situations.

Executive functions are primarily controlled by the frontal lobes of the brain, and they play a critical role in goal-directed behavior, problem-solving, decision-making, and self-regulation. Deficits in executive function can have significant impacts on daily life, including difficulties with academic performance, work productivity, social relationships, and mental health.

Neuropsychological tests are a type of psychological assessment that measures cognitive functions, such as attention, memory, language, problem-solving, and perception. These tests are used to help diagnose and understand the cognitive impact of neurological conditions, including dementia, traumatic brain injury, stroke, Parkinson's disease, and other disorders that affect the brain.

The tests are typically administered by a trained neuropsychologist and can take several hours to complete. They may involve paper-and-pencil tasks, computerized tasks, or interactive activities. The results of the tests are compared to normative data to help identify any areas of cognitive weakness or strength.

Neuropsychological testing can provide valuable information for treatment planning, rehabilitation, and assessing response to treatment. It can also be used in research to better understand the neural basis of cognition and the impact of neurological conditions on cognitive function.

Cognitive disorders are a category of mental health disorders that primarily affect cognitive abilities including learning, memory, perception, and problem-solving. These disorders can be caused by various factors such as brain injury, degenerative diseases, infection, substance abuse, or developmental disabilities. Examples of cognitive disorders include dementia, amnesia, delirium, and intellectual disability. It's important to note that the specific definition and diagnostic criteria for cognitive disorders may vary depending on the medical source or classification system being used.

Cognition refers to the mental processes involved in acquiring, processing, and utilizing information. These processes include perception, attention, memory, language, problem-solving, and decision-making. Cognitive functions allow us to interact with our environment, understand and respond to stimuli, learn new skills, and remember experiences.

In a medical context, cognitive function is often assessed as part of a neurological or psychiatric evaluation. Impairments in cognition can be caused by various factors, such as brain injury, neurodegenerative diseases (e.g., Alzheimer's disease), infections, toxins, and mental health conditions. Assessing cognitive function helps healthcare professionals diagnose conditions, monitor disease progression, and develop treatment plans.

The Trail Making Test (TMT) is a neuropsychological test that is used to assess a person's ability to visually scan, sequence, and connect numbers and letters. It consists of two parts: Part A and Part B.

Part A requires the individual to draw lines connecting numbers in sequential order (e.g., 1-2-3-4) as quickly and accurately as possible. This part of the test measures processing speed, visual search, and motor functioning.

Part B is more complex, requiring the individual to alternate between connecting numbers and letters in sequential order (e.g., 1-A-2-B-3-C). Part B assesses higher-level cognitive abilities such as mental flexibility, working memory, and executive function.

The TMT is often used in clinical settings to help diagnose neurological conditions such as Alzheimer's disease, Parkinson's disease, traumatic brain injury, and attention deficit hyperactivity disorder (ADHD). It can also be used to assess the effectiveness of treatment interventions. The test results are typically reported in terms of time taken to complete each part, with longer times indicating greater cognitive impairment.

In the context of medicine, problem-solving refers to the cognitive process by which healthcare professionals identify, analyze, and address clinical issues or challenges in order to provide optimal care for their patients. This may involve gathering relevant information, generating potential solutions, evaluating their feasibility and risks, selecting the most appropriate course of action, and implementing and monitoring the chosen intervention. Effective problem-solving skills are essential for making informed decisions, improving patient outcomes, and reducing medical errors.

In a medical or psychological context, attention is the cognitive process of selectively concentrating on certain aspects of the environment while ignoring other things. It involves focusing mental resources on specific stimuli, sensory inputs, or internal thoughts while blocking out irrelevant distractions. Attention can be divided into different types, including:

1. Sustained attention: The ability to maintain focus on a task or stimulus over time.
2. Selective attention: The ability to concentrate on relevant stimuli while ignoring irrelevant ones.
3. Divided attention: The capacity to pay attention to multiple tasks or stimuli simultaneously.
4. Alternating attention: The skill of shifting focus between different tasks or stimuli as needed.

Deficits in attention are common symptoms of various neurological and psychiatric conditions, such as ADHD, dementia, depression, and anxiety disorders. Assessment of attention is an essential part of neuropsychological evaluations and can be measured using various tests and tasks.

Short-term memory, also known as primary or active memory, is the system responsible for holding and processing limited amounts of information for brief periods of time, typically on the order of seconds to minutes. It has a capacity of around 7±2 items, as suggested by George Miller's "magic number" theory. Short-term memory allows us to retain and manipulate information temporarily while we are using it, such as remembering a phone number while dialing or following a set of instructions. Information in short-term memory can be maintained through rehearsal, which is the conscious repetition of the information. Over time, if the information is not transferred to long-term memory through consolidation processes, it will be forgotten.

The Stroop Test is a neuropsychological test that measures the ability to inhibit cognitive interference, or the ability to selectively focus on one task while suppressing irrelevant information. It was developed by John Ridley Stroop in 1935.

In this test, individuals are presented with three cards in each trial:

1. The first card displays a list of color names (e.g., "red," "green," "blue") printed in black ink.
2. The second card shows rectangles filled with different colors (e.g., red rectangle, green rectangle, blue rectangle).
3. The third card has words from the first card, but each word is written in a color that does not match its name (e.g., "red" may be printed in green ink, "green" in blue ink, and "blue" in red ink).

Participants are asked to name the color of the ink for each word on the third card as quickly and accurately as possible while ignoring the written word itself. The time it takes to complete this task is compared to the time taken to perform a control task (e.g., reading the words on the first card or naming the colors on the second card).

The difference in reaction times between these tasks reflects cognitive interference, which occurs when there is a conflict between two simultaneously competing mental processes. The Stroop Test has been widely used in both clinical and research settings to assess various aspects of cognition, including attention, executive function, and processing speed.

In the context of medical and clinical neuroscience, memory is defined as the brain's ability to encode, store, retain, and recall information or experiences. Memory is a complex cognitive process that involves several interconnected regions of the brain and can be categorized into different types based on various factors such as duration and the nature of the information being remembered.

The major types of memory include:

1. Sensory memory: The shortest form of memory, responsible for holding incoming sensory information for a brief period (less than a second to several seconds) before it is either transferred to short-term memory or discarded.
2. Short-term memory (also called working memory): A temporary storage system that allows the brain to hold and manipulate information for approximately 20-30 seconds, although this duration can be extended through rehearsal strategies. Short-term memory has a limited capacity, typically thought to be around 7±2 items.
3. Long-term memory: The memory system responsible for storing large amounts of information over extended periods, ranging from minutes to a lifetime. Long-term memory has a much larger capacity compared to short-term memory and is divided into two main categories: explicit (declarative) memory and implicit (non-declarative) memory.

Explicit (declarative) memory can be further divided into episodic memory, which involves the recollection of specific events or episodes, including their temporal and spatial contexts, and semantic memory, which refers to the storage and retrieval of general knowledge, facts, concepts, and vocabulary, independent of personal experience or context.

Implicit (non-declarative) memory encompasses various forms of learning that do not require conscious awareness or intention, such as procedural memory (skills and habits), priming (facilitated processing of related stimuli), classical conditioning (associative learning), and habituation (reduced responsiveness to repeated stimuli).

Memory is a crucial aspect of human cognition and plays a significant role in various aspects of daily life, including learning, problem-solving, decision-making, social interactions, and personal identity. Memory dysfunction can result from various neurological and psychiatric conditions, such as dementia, Alzheimer's disease, stroke, traumatic brain injury, and depression.

I must clarify that I cannot provide a "medical definition" of intelligence, as intelligence is not a concept that is typically defined within the field of medicine. Intelligence is a term used to describe the ability to learn, understand, and make judgments or decisions based on reason, experience, and information. It is often measured through various cognitive abilities such as problem-solving, critical thinking, creativity, and knowledge acquisition.

The concept of intelligence is studied in many fields, including psychology, neuroscience, and education. In medicine, healthcare professionals may assess a person's cognitive abilities to better understand their health status or develop treatment plans. However, there is no specific "medical definition" for intelligence. Instead, it is a multifaceted concept that can be influenced by various genetic, environmental, and experiential factors.

Psychomotor performance refers to the integration and coordination of mental processes (cognitive functions) with physical movements. It involves the ability to perform complex tasks that require both cognitive skills, such as thinking, remembering, and perceiving, and motor skills, such as gross and fine motor movements. Examples of psychomotor performances include driving a car, playing a musical instrument, or performing surgical procedures.

In a medical context, psychomotor performance is often used to assess an individual's ability to perform activities of daily living (ADLs) and instrumental activities of daily living (IADLs), such as bathing, dressing, cooking, cleaning, and managing medications. Deficits in psychomotor performance can be a sign of neurological or psychiatric disorders, such as dementia, Parkinson's disease, or depression.

Assessment of psychomotor performance may involve tests that measure reaction time, coordination, speed, precision, and accuracy of movements, as well as cognitive functions such as attention, memory, and problem-solving skills. These assessments can help healthcare professionals develop appropriate treatment plans and monitor the progression of diseases or the effectiveness of interventions.

Memory disorders are a category of cognitive impairments that affect an individual's ability to acquire, store, retain, and retrieve memories. These disorders can be caused by various underlying medical conditions, including neurological disorders, psychiatric illnesses, substance abuse, or even normal aging processes. Some common memory disorders include:

1. Alzheimer's disease: A progressive neurodegenerative disorder that primarily affects older adults and is characterized by a decline in cognitive abilities, including memory, language, problem-solving, and decision-making skills.
2. Dementia: A broader term used to describe a group of symptoms associated with a decline in cognitive function severe enough to interfere with daily life. Alzheimer's disease is the most common cause of dementia, but other causes include vascular dementia, Lewy body dementia, and frontotemporal dementia.
3. Amnesia: A memory disorder characterized by difficulties in forming new memories or recalling previously learned information due to brain damage or disease. Amnesia can be temporary or permanent and may result from head trauma, stroke, infection, or substance abuse.
4. Mild cognitive impairment (MCI): A condition where an individual experiences mild but noticeable memory or cognitive difficulties that are greater than expected for their age and education level. While some individuals with MCI may progress to dementia, others may remain stable or even improve over time.
5. Korsakoff's syndrome: A memory disorder often caused by alcohol abuse and thiamine deficiency, characterized by severe short-term memory loss, confabulation (making up stories to fill in memory gaps), and disorientation.

It is essential to consult a healthcare professional if you or someone you know experiences persistent memory difficulties, as early diagnosis and intervention can help manage symptoms and improve quality of life.

In the context of medical and clinical psychology, particularly in the field of applied behavior analysis (ABA), "verbal behavior" is a term used to describe the various functions or purposes of spoken language. It was first introduced by the psychologist B.F. Skinner in his 1957 book "Verbal Behavior."

Skinner proposed that verbal behavior could be classified into several categories based on its function, including:

1. Mand: A verbal operant in which a person requests or demands something from another person. For example, saying "I would like a glass of water" is a mand.
2. Tact: A verbal operant in which a person describes or labels something in their environment. For example, saying "That's a red apple" is a tact.
3. Echoic: A verbal operant in which a person repeats or imitates what they have heard. For example, saying "Hello" after someone says hello to you is an echoic.
4. Intraverbal: A verbal operant in which a person responds to another person's verbal behavior with their own verbal behavior, without simply repeating or imitating what they have heard. For example, answering a question like "What's the capital of France?" is an intraverbal.
5. Textual: A verbal operant in which a person reads or writes text. For example, reading a book or writing a letter are textual.

Understanding the function of verbal behavior can be helpful in assessing and treating communication disorders, such as those seen in autism spectrum disorder (ASD). By identifying the specific functions of a child's verbal behavior, therapists can develop targeted interventions to help them communicate more effectively.

Mental processes, also referred to as cognitive processes, are the ways in which our minds perceive, process, and understand information from the world around us. These processes include:

1. Attention: The ability to focus on specific stimuli while ignoring others.
2. Perception: The way in which we interpret and organize sensory information.
3. Memory: The storage and retrieval of information.
4. Learning: The process of acquiring new knowledge or skills.
5. Language: The ability to understand, produce and communicate using words and symbols.
6. Thinking: The process of processing information, reasoning, problem-solving, and decision making.
7. Intelligence: The capacity to understand, learn, and adapt to new situations.
8. Emotion: The ability to experience and respond to different feelings.
9. Consciousness: The state of being aware of and able to think and perceive one's surroundings, thoughts, and feelings.

These mental processes are interconnected and influence each other in complex ways. They allow us to interact with our environment, make decisions, and communicate with others. Disorders in these mental processes can lead to various neurological and psychiatric conditions.

The frontal lobe is the largest lobes of the human brain, located at the front part of each cerebral hemisphere and situated in front of the parietal and temporal lobes. It plays a crucial role in higher cognitive functions such as decision making, problem solving, planning, parts of social behavior, emotional expressions, physical reactions, and motor function. The frontal lobe is also responsible for what's known as "executive functions," which include the ability to focus attention, understand rules, switch focus, plan actions, and inhibit inappropriate behaviors. It is divided into five areas, each with its own specific functions: the primary motor cortex, premotor cortex, Broca's area, prefrontal cortex, and orbitofrontal cortex. Damage to the frontal lobe can result in a wide range of impairments, depending on the location and extent of the injury.

Medical Definition:

Magnetic Resonance Imaging (MRI) is a non-invasive diagnostic imaging technique that uses a strong magnetic field and radio waves to create detailed cross-sectional or three-dimensional images of the internal structures of the body. The patient lies within a large, cylindrical magnet, and the scanner detects changes in the direction of the magnetic field caused by protons in the body. These changes are then converted into detailed images that help medical professionals to diagnose and monitor various medical conditions, such as tumors, injuries, or diseases affecting the brain, spinal cord, heart, blood vessels, joints, and other internal organs. MRI does not use radiation like computed tomography (CT) scans.

Intelligence tests are standardized procedures used to assess various aspects of an individual's cognitive abilities, such as their problem-solving skills, logical reasoning, verbal comprehension, and spatial relations. These tests provide a quantitative measurement of intelligence, often reported as an Intelligence Quotient (IQ) score. It is important to note that intelligence is a multifaceted concept, and intelligence tests measure only certain aspects of it. They should not be considered the sole determinant of an individual's overall intellectual capabilities or potential.

The Wechsler Scales are a series of intelligence and neuropsychological tests used to assess various aspects of cognitive functioning in individuals across the lifespan. The scales include:

1. Wechsler Preschool and Primary Scale of Intelligence (WPPSI): Designed for children aged 2 years 6 months to 7 years 3 months, it measures verbal (e.g., vocabulary, comprehension) and performance (e.g., visual-motor integration, spatial reasoning) abilities.
2. Wechsler Intelligence Scale for Children (WISC): Developed for children aged 6 to 16 years, it evaluates verbal comprehension, perceptual reasoning, working memory, and processing speed.
3. Wechsler Adult Intelligence Scale (WAIS): Created for adults aged 16 to 90 years, it assesses similar domains as the WISC but with more complex tasks.
4. Wechsler Memory Scale (WMS): Designed to measure various aspects of memory functioning in individuals aged 16 to 89 years, including visual and auditory immediate and delayed recall, working memory, and attention.
5. Wechsler Abbreviated Scale of Intelligence (WASI): A brief version of the WAIS used for quicker intelligence screening in individuals aged 6 to 89 years.

These scales are widely used in clinical, educational, and research settings to identify strengths and weaknesses in cognitive abilities, diagnose learning disabilities and other neurodevelopmental disorders, monitor treatment progress, and provide recommendations for interventions and accommodations.

The prefrontal cortex is the anterior (frontal) part of the frontal lobe in the brain, involved in higher-order cognitive processes such as planning complex cognitive behavior, personality expression, decision making, and moderating social behavior. It also plays a significant role in working memory and executive functions. The prefrontal cortex is divided into several subregions, each associated with specific cognitive and emotional functions. Damage to the prefrontal cortex can result in various impairments, including difficulties with planning, decision making, and social behavior regulation.

Verbal learning is a type of learning that involves the acquisition, processing, and retrieval of information presented in a verbal or written form. It is often assessed through tasks such as list learning, where an individual is asked to remember a list of words or sentences after a single presentation or multiple repetitions. Verbal learning is an important aspect of cognitive functioning and is commonly evaluated in neuropsychological assessments to help identify any memory or learning impairments.

Reaction time, in the context of medicine and physiology, refers to the time period between the presentation of a stimulus and the subsequent initiation of a response. This complex process involves the central nervous system, particularly the brain, which perceives the stimulus, processes it, and then sends signals to the appropriate muscles or glands to react.

There are different types of reaction times, including simple reaction time (responding to a single, expected stimulus) and choice reaction time (choosing an appropriate response from multiple possibilities). These measures can be used in clinical settings to assess various aspects of neurological function, such as cognitive processing speed, motor control, and alertness.

However, it is important to note that reaction times can be influenced by several factors, including age, fatigue, attention, and the use of certain medications or substances.

Attention Deficit Hyperactivity Disorder (ADHD) with hyperactivity is a neurodevelopmental disorder that affects both children and adults. The condition is characterized by symptoms including:

1. Difficulty paying attention or staying focused on a single task
2. Impulsivity, or acting without thinking
3. Hyperactivity, or excessive fidgeting, restlessness, or talking

In order to be diagnosed with ADHD with hyperactivity, an individual must exhibit these symptoms to a degree that is developmentally inappropriate and interferes with their daily functioning. Additionally, the symptoms must have been present for at least six months and be present in multiple settings (e.g., at home, school, work).

It's important to note that ADHD can manifest differently in different people, and some individuals may experience predominantly inattentive or impulsive symptoms rather than hyperactive ones. However, when the hyperactive component is prominent, it is referred to as ADHD with hyperactivity.

Effective treatments for ADHD with hyperactivity include a combination of medication (such as stimulants) and behavioral therapy. With appropriate treatment, individuals with ADHD can learn to manage their symptoms and lead successful, fulfilling lives.

The brain is the central organ of the nervous system, responsible for receiving and processing sensory information, regulating vital functions, and controlling behavior, movement, and cognition. It is divided into several distinct regions, each with specific functions:

1. Cerebrum: The largest part of the brain, responsible for higher cognitive functions such as thinking, learning, memory, language, and perception. It is divided into two hemispheres, each controlling the opposite side of the body.
2. Cerebellum: Located at the back of the brain, it is responsible for coordinating muscle movements, maintaining balance, and fine-tuning motor skills.
3. Brainstem: Connects the cerebrum and cerebellum to the spinal cord, controlling vital functions such as breathing, heart rate, and blood pressure. It also serves as a relay center for sensory information and motor commands between the brain and the rest of the body.
4. Diencephalon: A region that includes the thalamus (a major sensory relay station) and hypothalamus (regulates hormones, temperature, hunger, thirst, and sleep).
5. Limbic system: A group of structures involved in emotional processing, memory formation, and motivation, including the hippocampus, amygdala, and cingulate gyrus.

The brain is composed of billions of interconnected neurons that communicate through electrical and chemical signals. It is protected by the skull and surrounded by three layers of membranes called meninges, as well as cerebrospinal fluid that provides cushioning and nutrients.

'Task Performance and Analysis' is not a commonly used medical term, but it can be found in the field of rehabilitation medicine and ergonomics. It refers to the process of evaluating and understanding how a specific task is performed, in order to identify any physical or cognitive demands placed on an individual during the performance of that task. This information can then be used to inform the design of interventions, such as workplace modifications or rehabilitation programs, aimed at improving task performance or reducing the risk of injury.

In a medical context, task performance and analysis may be used in the assessment and treatment of individuals with disabilities or injuries, to help them return to work or other activities of daily living. The analysis involves breaking down the task into its component parts, observing and measuring the physical and cognitive demands of each part, and evaluating the individual's ability to perform those demands. Based on this analysis, recommendations may be made for modifications to the task or the environment, training or education, or assistive devices that can help the individual perform the task more safely and efficiently.

Overall, task performance and analysis is a valuable tool in promoting safe and effective task performance, reducing the risk of injury, and improving functional outcomes for individuals with disabilities or injuries.

Mild Cognitive Impairment (MCI) is a medical term used to describe a stage between the cognitive changes seen in normal aging and the more serious decline of dementia. It's characterized by a slight but noticeable decline in cognitive abilities, such as memory or thinking skills, that are greater than expected for an individual's age and education level, but not significant enough to interfere with daily life.

People with MCI have an increased risk of developing dementia, particularly Alzheimer's disease, compared to those without MCI. However, it's important to note that not everyone with MCI will develop dementia; some may remain stable, and others may even improve over time.

The diagnosis of MCI is typically made through a comprehensive medical evaluation, including a detailed medical history, cognitive testing, and sometimes brain imaging or laboratory tests.

In the context of medical and public health, social control in its informal sense refers to the unofficial mechanisms through which society regulates the behavior and conduct of individuals within a group or community. This can include peer pressure, social norms, customs, traditions, and other informal sanctions that discourage deviant behavior and promote conformity to accepted standards of health-related behaviors.

For example, in a community where regular exercise is considered important for maintaining good health, individuals who do not engage in physical activity may face informal social control measures such as disapproval, ridicule, or exclusion from social activities. These unofficial mechanisms can be just as powerful as formal regulations and laws in shaping individual behavior and promoting public health.

Informal social control is often contrasted with formal social control, which refers to the official mechanisms used by institutions such as government agencies, schools, and workplaces to regulate behavior through rules, policies, and laws. However, both forms of social control can interact and reinforce each other in complex ways to shape individual and community health behaviors.

Aging is a complex, progressive and inevitable process of bodily changes over time, characterized by the accumulation of cellular damage and degenerative changes that eventually lead to increased vulnerability to disease and death. It involves various biological, genetic, environmental, and lifestyle factors that contribute to the decline in physical and mental functions. The medical field studies aging through the discipline of gerontology, which aims to understand the underlying mechanisms of aging and develop interventions to promote healthy aging and extend the human healthspan.

Analysis of Variance (ANOVA) is a statistical technique used to compare the means of two or more groups and determine whether there are any significant differences between them. It is a way to analyze the variance in a dataset to determine whether the variability between groups is greater than the variability within groups, which can indicate that the groups are significantly different from one another.

ANOVA is based on the concept of partitioning the total variance in a dataset into two components: variance due to differences between group means (also known as "between-group variance") and variance due to differences within each group (also known as "within-group variance"). By comparing these two sources of variance, ANOVA can help researchers determine whether any observed differences between groups are statistically significant, or whether they could have occurred by chance.

ANOVA is a widely used technique in many areas of research, including biology, psychology, engineering, and business. It is often used to compare the means of two or more experimental groups, such as a treatment group and a control group, to determine whether the treatment had a significant effect. ANOVA can also be used to compare the means of different populations or subgroups within a population, to identify any differences that may exist between them.

In the context of medicine and healthcare, "individuality" refers to the unique characteristics, traits, and needs that distinguish one person from another. This concept recognizes that each patient is a distinct individual with their own genetic makeup, lifestyle factors, personal history, and social circumstances, all of which can influence their health status and response to medical interventions.

Individuality in healthcare emphasizes the importance of tailoring medical treatments and care plans to meet the specific needs and preferences of each patient, rather than relying on a one-size-fits-all approach. This personalized approach can lead to better outcomes, improved patient satisfaction, and reduced healthcare costs.

Factors that contribute to an individual's medical individuality include their genetic makeup, epigenetic factors, environmental exposures, lifestyle choices (such as diet, exercise, and substance use), and social determinants of health (such as income, education, and access to care). All of these factors can interact in complex ways to influence a person's health status and risk for disease.

Recognizing and respecting individuality is essential for providing high-quality, patient-centered care. Healthcare providers who take the time to understand their patients' unique needs and preferences are better able to build trust, promote adherence to treatment plans, and achieve positive outcomes.

Schizophrenia is a severe mental disorder characterized by disturbances in thought, perception, emotion, and behavior. It often includes hallucinations (usually hearing voices), delusions, paranoia, and disorganized speech and behavior. The onset of symptoms typically occurs in late adolescence or early adulthood. Schizophrenia is a complex, chronic condition that requires ongoing treatment and management. It significantly impairs social and occupational functioning, and it's often associated with reduced life expectancy due to comorbid medical conditions. The exact causes of schizophrenia are not fully understood, but research suggests that genetic, environmental, and neurodevelopmental factors play a role in its development.

Brain mapping is a broad term that refers to the techniques used to understand the structure and function of the brain. It involves creating maps of the various cognitive, emotional, and behavioral processes in the brain by correlating these processes with physical locations or activities within the nervous system. Brain mapping can be accomplished through a variety of methods, including functional magnetic resonance imaging (fMRI), positron emission tomography (PET) scans, electroencephalography (EEG), and others. These techniques allow researchers to observe which areas of the brain are active during different tasks or thoughts, helping to shed light on how the brain processes information and contributes to our experiences and behaviors. Brain mapping is an important area of research in neuroscience, with potential applications in the diagnosis and treatment of neurological and psychiatric disorders.

Dementia is a broad term that describes a decline in cognitive functioning, including memory, language, problem-solving, and judgment, severe enough to interfere with daily life. It is not a specific disease but rather a group of symptoms that may be caused by various underlying diseases or conditions. Alzheimer's disease is the most common cause of dementia, accounting for 60-80% of cases. Other causes include vascular dementia, Lewy body dementia, frontotemporal dementia, and Huntington's disease.

The symptoms of dementia can vary widely depending on the cause and the specific areas of the brain that are affected. However, common early signs of dementia may include:

* Memory loss that affects daily life
* Difficulty with familiar tasks
* Problems with language or communication
* Difficulty with visual and spatial abilities
* Misplacing things and unable to retrace steps
* Decreased or poor judgment
* Withdrawal from work or social activities
* Changes in mood or behavior

Dementia is a progressive condition, meaning that symptoms will gradually worsen over time. While there is currently no cure for dementia, early diagnosis and treatment can help slow the progression of the disease and improve quality of life for those affected.

Psychometrics is a branch of psychology that deals with the theory and technique of psychological measurement, such as the development and standardization of tests used to measure intelligence, aptitude, personality, attitudes, and other mental abilities or traits. It involves the construction and validation of measurement instruments, including the determination of their reliability and validity, and the application of statistical methods to analyze test data and interpret results. The ultimate goal of psychometrics is to provide accurate, objective, and meaningful measurements that can be used to understand individual differences and make informed decisions in educational, clinical, and organizational settings.

"Mental recall," also known as "memory recall," refers to the ability to retrieve or bring information from your memory storage into your conscious mind, so you can think about, use, or apply it. This process involves accessing and retrieving stored memories in response to certain cues or prompts. It is a fundamental cognitive function that allows individuals to remember and recognize people, places, events, facts, and experiences.

In the context of medical terminology, mental recall may be used to assess an individual's cognitive abilities, particularly in relation to memory function. Impairments in memory recall can be indicative of various neurological or psychological conditions, such as dementia, Alzheimer's disease, or amnesia.

I must clarify that there is no such thing as "Schizophrenic Psychology." The term schizophrenia is used to describe a specific and serious mental disorder that affects how a person thinks, feels, and behaves. It's important not to use the term casually or inaccurately, as it can perpetuate stigma and misunderstanding about the condition.

Schizophrenia is characterized by symptoms such as hallucinations (hearing or seeing things that aren't there), delusions (false beliefs that are not based on reality), disorganized speech, and grossly disorganized or catatonic behavior. These symptoms can impair a person's ability to function in daily life, maintain relationships, and experience emotions appropriately.

If you have any questions related to mental health conditions or psychology, I would be happy to provide accurate information and definitions.

A brain injury is defined as damage to the brain that occurs following an external force or trauma, such as a blow to the head, a fall, or a motor vehicle accident. Brain injuries can also result from internal conditions, such as lack of oxygen or a stroke. There are two main types of brain injuries: traumatic and acquired.

Traumatic brain injury (TBI) is caused by an external force that results in the brain moving within the skull or the skull being fractured. Mild TBIs may result in temporary symptoms such as headaches, confusion, and memory loss, while severe TBIs can cause long-term complications, including physical, cognitive, and emotional impairments.

Acquired brain injury (ABI) is any injury to the brain that occurs after birth and is not hereditary, congenital, or degenerative. ABIs are often caused by medical conditions such as strokes, tumors, anoxia (lack of oxygen), or infections.

Both TBIs and ABIs can range from mild to severe and may result in a variety of physical, cognitive, and emotional symptoms that can impact a person's ability to perform daily activities and function independently. Treatment for brain injuries typically involves a multidisciplinary approach, including medical management, rehabilitation, and supportive care.

Psychiatric Status Rating Scales are standardized assessment tools used by mental health professionals to evaluate and rate the severity of a person's psychiatric symptoms and functioning. These scales provide a systematic and structured approach to measuring various aspects of an individual's mental health, such as mood, anxiety, psychosis, behavior, and cognitive abilities.

The purpose of using Psychiatric Status Rating Scales is to:

1. Assess the severity and improvement of psychiatric symptoms over time.
2. Aid in diagnostic decision-making and treatment planning.
3. Monitor treatment response and adjust interventions accordingly.
4. Facilitate communication among mental health professionals about a patient's status.
5. Provide an objective basis for research and epidemiological studies.

Examples of Psychiatric Status Rating Scales include:

1. Clinical Global Impression (CGI): A brief, subjective rating scale that measures overall illness severity, treatment response, and improvement.
2. Positive and Negative Syndrome Scale (PANSS): A comprehensive scale used to assess the symptoms of psychosis, including positive, negative, and general psychopathology domains.
3. Hamilton Rating Scale for Depression (HRSD) or Montgomery-Åsberg Depression Rating Scale (MADRS): Scales used to evaluate the severity of depressive symptoms.
4. Young Mania Rating Scale (YMRS): A scale used to assess the severity of manic or hypomanic symptoms.
5. Brief Psychiatric Rating Scale (BPRS) or Symptom Checklist-90 Revised (SCL-90-R): Scales that measure a broad range of psychiatric symptoms and psychopathology.
6. Global Assessment of Functioning (GAF): A scale used to rate an individual's overall psychological, social, and occupational functioning on a hypothetical continuum of mental health-illness.

It is important to note that Psychiatric Status Rating Scales should be administered by trained mental health professionals to ensure accurate and reliable results.

Reversal learning is a neuropsychological concept that refers to the ability to adjust behavioral responses when reward contingencies are changed or reversed. In other words, it is the capacity to learn and adapt to new rules when the previous ones no longer apply or are no longer reinforced. This cognitive process is often studied in animal models and human subjects using various learning paradigms, such as classical or operant conditioning tasks.

In a typical reversal learning task, a subject is initially trained to associate a particular stimulus (e.g., visual cue, sound, or action) with a reward (e.g., food or water). Once the subject has learned this association and responds consistently to the stimulus, the reinforcement contingency is reversed, so that the previously reinforced stimulus is now unreinforced, and the previously unreinforced stimulus is now reinforced. The subject must then learn and adapt to this new reward contingency.

Reversal learning involves several cognitive processes, including attention, memory, motivation, and executive functions. It requires the ability to inhibit a previously learned response, update working memory with new information, and flexibly adjust behavior based on changing environmental demands. Deficits in reversal learning have been observed in various neurological and psychiatric conditions, such as Parkinson's disease, Huntington's disease, schizophrenia, and substance use disorders, suggesting that this cognitive process may be a useful marker of brain dysfunction in these conditions.

Catechol-O-methyltransferase (COMT) is an enzyme that plays a role in the metabolism of catecholamines, which are neurotransmitters and hormones such as dopamine, norepinephrine, and epinephrine. COMT mediates the transfer of a methyl group from S-adenosylmethionine (SAM) to a catechol functional group in these molecules, resulting in the formation of methylated products that are subsequently excreted.

The methylation of catecholamines by COMT regulates their concentration and activity in the body, and genetic variations in the COMT gene can affect enzyme function and contribute to individual differences in the metabolism of these neurotransmitters. This has been implicated in various neurological and psychiatric conditions, including Parkinson's disease, schizophrenia, and attention deficit hyperactivity disorder (ADHD).

A Word Association Test is not a medical term per se, but it is a psychological and neuropsychological testing procedure. It is used to assess various aspects of cognitive functioning, particularly language, memory, and executive functions. In this test, the examiner provides a word, and the person being tested is asked to quickly respond with the first word that comes to mind. The responses are then analyzed for any patterns or inconsistencies, which can provide insights into the person's cognitive processes and psychological state.

Word Association Tests have been used in various forms and contexts, including clinical evaluations, research settings, and even in some employment screenings. They can help identify language disorders, memory impairments, thought disorders, and other cognitive or emotional disturbances. However, it's important to note that these tests should be administered and interpreted by trained professionals, as they require a solid understanding of the underlying psychological principles and potential confounding factors.

The Medical Definition of 'Mental Status Schedule' is:

A standardized interview and examination tool used by mental health professionals to assess an individual's cognitive, behavioral, and emotional status. The schedule typically covers areas such as orientation, attention, memory, language, visuospatial abilities, executive functions, and mood and affect. It is often used in research, clinical settings, and epidemiological studies to evaluate psychiatric and neurological conditions, as well as the effects of treatments or interventions. The specific version of the Mental Status Schedule may vary, but it generally includes a structured format with clear questions and response options to ensure standardization and reliability in the assessment process.

Amnesia is a condition characterized by memory loss, which can be temporary or permanent. It may result from brain damage or disease, and it can affect various aspects of memory, such as the ability to recall past events (retrograde amnesia), the ability to form new memories (anterograde amnesia), or both. Amnesia can also affect a person's sense of identity and their ability to learn new skills.

There are several types of amnesia, including:

1. Anterograde amnesia: This type of amnesia affects the ability to form new memories after an injury or trauma. People with anterograde amnesia may have difficulty learning new information and remembering recent events.
2. Retrograde amnesia: Retrograde amnesia affects the ability to recall memories that were formed before an injury or trauma. People with retrograde amnesia may have trouble remembering events, people, or facts from their past.
3. Transient global amnesia: This is a temporary form of amnesia that usually lasts for less than 24 hours. It is often caused by a lack of blood flow to the brain, and it can be triggered by emotional stress, physical exertion, or other factors.
4. Korsakoff's syndrome: This is a type of amnesia that is caused by alcohol abuse and malnutrition. It is characterized by severe memory loss, confusion, and disorientation.
5. Dissociative amnesia: This type of amnesia is caused by psychological factors, such as trauma or stress. People with dissociative amnesia may have trouble remembering important personal information or events that are emotionally charged.

The treatment for amnesia depends on the underlying cause. In some cases, memory may improve over time, while in other cases, it may be permanent. Treatment may involve medication, therapy, or rehabilitation to help people with amnesia cope with their memory loss and develop new skills to compensate for their memory impairments.

A learning disorder is a neurodevelopmental disorder that affects an individual's ability to acquire, process, and use information in one or more academic areas despite normal intelligence and adequate instruction. It can manifest as difficulties with reading (dyslexia), writing (dysgraphia), mathematics (dyscalculia), or other academic skills. Learning disorders are not the result of low intelligence, lack of motivation, or environmental factors alone, but rather reflect a significant discrepancy between an individual's cognitive abilities and their academic achievement. They can significantly impact a person's ability to perform in school, at work, and in daily life, making it important to diagnose and manage these disorders effectively.

A case-control study is an observational research design used to identify risk factors or causes of a disease or health outcome. In this type of study, individuals with the disease or condition (cases) are compared with similar individuals who do not have the disease or condition (controls). The exposure history or other characteristics of interest are then compared between the two groups to determine if there is an association between the exposure and the disease.

Case-control studies are often used when it is not feasible or ethical to conduct a randomized controlled trial, as they can provide valuable insights into potential causes of diseases or health outcomes in a relatively short period of time and at a lower cost than other study designs. However, because case-control studies rely on retrospective data collection, they are subject to biases such as recall bias and selection bias, which can affect the validity of the results. Therefore, it is important to carefully design and conduct case-control studies to minimize these potential sources of bias.

Statistics, as a topic in the context of medicine and healthcare, refers to the scientific discipline that involves the collection, analysis, interpretation, and presentation of numerical data or quantifiable data in a meaningful and organized manner. It employs mathematical theories and models to draw conclusions, make predictions, and support evidence-based decision-making in various areas of medical research and practice.

Some key concepts and methods in medical statistics include:

1. Descriptive Statistics: Summarizing and visualizing data through measures of central tendency (mean, median, mode) and dispersion (range, variance, standard deviation).
2. Inferential Statistics: Drawing conclusions about a population based on a sample using hypothesis testing, confidence intervals, and statistical modeling.
3. Probability Theory: Quantifying the likelihood of events or outcomes in medical scenarios, such as diagnostic tests' sensitivity and specificity.
4. Study Designs: Planning and implementing various research study designs, including randomized controlled trials (RCTs), cohort studies, case-control studies, and cross-sectional surveys.
5. Sampling Methods: Selecting a representative sample from a population to ensure the validity and generalizability of research findings.
6. Multivariate Analysis: Examining the relationships between multiple variables simultaneously using techniques like regression analysis, factor analysis, or cluster analysis.
7. Survival Analysis: Analyzing time-to-event data, such as survival rates in clinical trials or disease progression.
8. Meta-Analysis: Systematically synthesizing and summarizing the results of multiple studies to provide a comprehensive understanding of a research question.
9. Biostatistics: A subfield of statistics that focuses on applying statistical methods to biological data, including medical research.
10. Epidemiology: The study of disease patterns in populations, which often relies on statistical methods for data analysis and interpretation.

Medical statistics is essential for evidence-based medicine, clinical decision-making, public health policy, and healthcare management. It helps researchers and practitioners evaluate the effectiveness and safety of medical interventions, assess risk factors and outcomes associated with diseases or treatments, and monitor trends in population health.

Impulsive behavior can be defined medically as actions performed without proper thought or consideration of the consequences, driven by immediate needs, desires, or urges. It often involves risky or inappropriate behaviors that may lead to negative outcomes. In a clinical context, impulsivity is frequently associated with certain mental health conditions such as ADHD (Attention Deficit Hyperactivity Disorder), bipolar disorder, borderline personality disorder, and some neurological conditions. It's important to note that everyone can exhibit impulsive behavior at times, but when it becomes a persistent pattern causing distress or functional impairment, it may indicate an underlying condition requiring professional assessment and treatment.

In a medical context, "aptitude" is not typically defined because it is a general term that refers to the ability or potential to learn, acquire skills, or perform tasks. It is often used in relation to career counseling and education to describe an individual's natural talents, abilities, or potential for success in a particular area.

However, it is important to note that aptitude is not a fixed trait and can be influenced by various factors such as motivation, experience, training, and environment. Additionally, while certain aptitudes may be more common in certain professions or activities, they do not guarantee success or performance.

Therefore, while there may not be a specific medical definition of "aptitude," it is a term that can have relevance in medical contexts related to career development, education, and rehabilitation.

Functional laterality, in a medical context, refers to the preferential use or performance of one side of the body over the other for specific functions. This is often demonstrated in hand dominance, where an individual may be right-handed or left-handed, meaning they primarily use their right or left hand for tasks such as writing, eating, or throwing.

However, functional laterality can also apply to other bodily functions and structures, including the eyes (ocular dominance), ears (auditory dominance), or legs. It's important to note that functional laterality is not a strict binary concept; some individuals may exhibit mixed dominance or no strong preference for one side over the other.

In clinical settings, assessing functional laterality can be useful in diagnosing and treating various neurological conditions, such as stroke or traumatic brain injury, where understanding any resulting lateralized impairments can inform rehabilitation strategies.

Child development is a multidisciplinary field that examines the biological, psychological, emotional, and social growth and changes that occur in human beings between birth and the onset of adulthood. It involves a complex interaction of genetics, environment, culture, and experiences that shape a child's growth and development over time.

Child development is typically divided into several domains, including:

1. Physical Development: This refers to the growth and changes in a child's body, including their motor skills, sensory abilities, and overall health.
2. Cognitive Development: This involves the development of a child's thinking, learning, problem-solving, memory, language, and other mental processes.
3. Emotional Development: This refers to the development of a child's emotional awareness, expression, understanding, and regulation.
4. Social Development: This involves the development of a child's ability to interact with others, form relationships, communicate effectively, and understand social norms and expectations.

Child development is an ongoing process that occurs at different rates and in different ways for each child. Understanding typical patterns of child development can help parents, educators, and healthcare providers support children's growth and identify any potential delays or concerns.

Longitudinal studies are a type of research design where data is collected from the same subjects repeatedly over a period of time, often years or even decades. These studies are used to establish patterns of changes and events over time, and can help researchers identify causal relationships between variables. They are particularly useful in fields such as epidemiology, psychology, and sociology, where the focus is on understanding developmental trends and the long-term effects of various factors on health and behavior.

In medical research, longitudinal studies can be used to track the progression of diseases over time, identify risk factors for certain conditions, and evaluate the effectiveness of treatments or interventions. For example, a longitudinal study might follow a group of individuals over several decades to assess their exposure to certain environmental factors and their subsequent development of chronic diseases such as cancer or heart disease. By comparing data collected at multiple time points, researchers can identify trends and correlations that may not be apparent in shorter-term studies.

Longitudinal studies have several advantages over other research designs, including their ability to establish temporal relationships between variables, track changes over time, and reduce the impact of confounding factors. However, they also have some limitations, such as the potential for attrition (loss of participants over time), which can introduce bias and affect the validity of the results. Additionally, longitudinal studies can be expensive and time-consuming to conduct, requiring significant resources and a long-term commitment from both researchers and study participants.

Emotions are complex psychological states that involve three distinct components: a subjective experience, a physiological response, and a behavioral or expressive response. Emotions can be short-lived, such as a flash of anger, or more long-lasting, such as enduring sadness. They can also vary in intensity, from mild irritation to intense joy or fear.

Emotions are often distinguished from other psychological states, such as moods and temperament, which may be less specific and more enduring. Emotions are typically thought to have a clear cause or object, such as feeling happy when you receive good news or feeling anxious before a job interview.

There are many different emotions that people can experience, including happiness, sadness, anger, fear, surprise, disgust, and shame. These emotions are often thought to serve important adaptive functions, helping individuals respond to challenges and opportunities in their environment.

In medical contexts, emotions may be relevant to the diagnosis and treatment of various mental health conditions, such as depression, anxiety disorders, and bipolar disorder. Abnormalities in emotional processing and regulation have been implicated in many psychiatric illnesses, and therapies that target these processes may be effective in treating these conditions.

Atrophy is a medical term that refers to the decrease in size and wasting of an organ or tissue due to the disappearance of cells, shrinkage of cells, or decreased number of cells. This process can be caused by various factors such as disuse, aging, degeneration, injury, or disease.

For example, if a muscle is immobilized for an extended period, it may undergo atrophy due to lack of use. Similarly, certain medical conditions like diabetes, cancer, and heart failure can lead to the wasting away of various tissues and organs in the body.

Atrophy can also occur as a result of natural aging processes, leading to decreased muscle mass and strength in older adults. In general, atrophy is characterized by a decrease in the volume or weight of an organ or tissue, which can have significant impacts on its function and overall health.

The gyrus cinguli, also known as the cingulate gyrus, is a structure located in the brain. It forms part of the limbic system and plays a role in various functions such as emotion, memory, and perception of pain. The gyrus cinguli is situated in the medial aspect of the cerebral hemisphere, adjacent to the corpus callosum, and curves around the frontal portion of the corpus callosum, forming a C-shaped structure. It has been implicated in several neurological and psychiatric conditions, including depression, anxiety disorders, and chronic pain syndromes.

I'm sorry for any confusion, but "reading" is not a term that has a specific medical definition. Reading is the activity or process of deciphering and understanding written words or text. It is a fundamental skill in language acquisition and communication, and is not typically used in a medical context unless there is a concern related to reading difficulties or disorders, such as dyslexia. If you have any questions related to medical terminology or health concerns, I'd be happy to try to help answer those for you!

I'm sorry for any confusion, but "multilingualism" is not a medical term. It refers to the ability to communicate in and use two or more languages. Multilingualism can be observed at various levels, such as speaking, reading, and writing, and it can be an innate ability or acquired through education and experience.

Multilingualism is a common phenomenon worldwide, and it has been shown to have cognitive benefits, such as improved problem-solving skills and increased cultural sensitivity. However, it is not a medical concept and does not fall under the purview of medical definitions.

Episodic memory is a type of declarative (explicit) memory that involves the ability to recall and mentally reexperience specific events or episodes, including their temporal and spatial contexts. It is the memory for particular events or episodes that are embedded in a personal autobiographical timeline, along with the details of what happened, where it happened, who was involved, and when it happened. Episodic memories are often formed through conscious effort and can be voluntarily retrieved. They are susceptible to interference and decay over time, making them less reliable than other types of memory.

A language test is not a medical term per se, but it is commonly used in the field of speech-language pathology, which is a medical discipline. A language test, in this context, refers to an assessment tool used by speech-language pathologists to evaluate an individual's language abilities. These tests typically measure various aspects of language, including vocabulary, grammar, syntax, semantics, and pragmatics.

Language tests can be standardized or non-standardized and may be administered individually or in a group setting. The results of these tests help speech-language pathologists diagnose language disorders, develop treatment plans, and monitor progress over time. It is important to note that language testing should be conducted by a qualified professional who has experience in administering and interpreting language assessments.

In the context of medicine, particularly in neurolinguistics and speech-language pathology, language is defined as a complex system of communication that involves the use of symbols (such as words, signs, or gestures) to express and exchange information. It includes various components such as phonology (sound systems), morphology (word structures), syntax (sentence structure), semantics (meaning), and pragmatics (social rules of use). Language allows individuals to convey their thoughts, feelings, and intentions, and to understand the communication of others. Disorders of language can result from damage to specific areas of the brain, leading to impairments in comprehension, production, or both.

'Behavior' is a term used in the medical and scientific community to describe the actions or reactions of an individual in response to internal or external stimuli. It can be observed and measured, and it involves all the responses of a person, including motor responses, emotional responses, and cognitive responses. Behaviors can be voluntary or involuntary, adaptive or maladaptive, and normal or abnormal. They can also be influenced by genetic, physiological, environmental, and social factors. In a medical context, the study of behavior is often relevant to understanding and treating various mental health conditions, such as anxiety disorders, mood disorders, and personality disorders.

Neuroimaging is a medical term that refers to the use of various techniques to either directly or indirectly image the structure, function, or pharmacology of the nervous system. It includes techniques such as computed tomography (CT), magnetic resonance imaging (MRI), functional MRI (fMRI), positron emission tomography (PET), single-photon emission computed tomography (SPECT), and diffusion tensor imaging (DTI). These techniques are used to diagnose and monitor various neurological and psychiatric conditions, as well as to understand the underlying mechanisms of brain function in health and disease.

Alzheimer's disease is a progressive disorder that causes brain cells to waste away (degenerate) and die. It's the most common cause of dementia — a continuous decline in thinking, behavioral and social skills that disrupts a person's ability to function independently.

The early signs of the disease include forgetting recent events or conversations. As the disease progresses, a person with Alzheimer's disease will develop severe memory impairment and lose the ability to carry out everyday tasks.

Currently, there's no cure for Alzheimer's disease. However, treatments can temporarily slow the worsening of dementia symptoms and improve quality of life.

Cognitive reserve refers to the ability of the brain to compensate for cognitive decline or damage by using alternative neural pathways or strategies. It is a theoretical construct used in neuropsychology and neurology to explain why some individuals with similar levels of brain damage or disease progression show greater preservation of cognitive function than others.

Cognitive reserve is thought to be influenced by factors such as education, intelligence, occupational complexity, and engagement in cognitively stimulating activities throughout the lifespan. These factors contribute to the development of a more extensive and efficient neural network that can help maintain cognitive function despite brain changes associated with aging or neurological disorders like Alzheimer's disease.

It is important to note that cognitive reserve does not prevent cognitive decline but rather delays its onset or reduces its severity. Additionally, while cognitive reserve may provide some protection against cognitive impairment, it does not guarantee immunity from it.

Physician executives are medical doctors who hold senior leadership positions within healthcare organizations, such as hospitals, health systems, or insurance companies. They are responsible for making strategic decisions that affect the overall operations and financial performance of the organization, while also ensuring high-quality patient care.

Physician executives may have titles such as Chief Medical Officer (CMO), Chief Executive Officer (CEO), or Vice President of Medical Affairs. Their duties can include developing clinical policies and procedures, overseeing medical staff affairs, managing risk and compliance issues, and leading quality improvement initiatives.

To become a physician executive, one typically needs to have significant experience as a practicing physician, as well as additional training in leadership, management, and business administration. Many physician executives hold advanced degrees such as an MBA or a Master's in Health Administration.

Leukoencephalopathies are a group of medical conditions that primarily affect the white matter of the brain, which consists mainly of nerve fibers covered by myelin sheaths. These conditions are characterized by abnormalities in the structure and function of the white matter, leading to various neurological symptoms such as cognitive decline, motor impairment, seizures, and behavioral changes.

The term "leukoencephalopathy" is derived from two Greek words: "leukos," meaning white, and "enkephalos," meaning brain. The suffix "-pathy" refers to a disease or suffering. Therefore, leukoencephalopathies refer specifically to diseases that affect the white matter of the brain.

There are various types of leukoencephalopathies, including genetic, metabolic, infectious, toxic, and immune-mediated forms. Some examples include multiple sclerosis, adrenoleukodystrophy, Alexander disease, Canavan disease, and Marchiafava-Bignami disease. The diagnosis of leukoencephalopathies typically involves a combination of clinical evaluation, imaging studies such as MRI, and sometimes genetic or laboratory testing to identify the underlying cause. Treatment depends on the specific type and severity of the condition and may include medications, dietary modifications, physical therapy, or supportive care.

Child behavior refers to the actions, reactions, and interactions exhibited by children in response to their environment, experiences, and developmental stage. It is a broad term that encompasses various aspects, including emotional, social, cognitive, and physical development.

Child behavior can be categorized into two main types:

1. Desirable or positive behaviors - These are behaviors that promote healthy development, social interactions, and learning. Examples include sharing toys, following rules, expressing emotions appropriately, and demonstrating empathy towards others.
2. Challenging or negative behaviors - These are behaviors that hinder healthy development, social interactions, and learning. Examples include aggression, defiance, tantrums, anxiety, and withdrawal.

Understanding child behavior is crucial for parents, caregivers, educators, and healthcare professionals to provide appropriate support, guidance, and interventions to promote positive developmental outcomes in children. Factors influencing child behavior include genetics, temperament, environment, parenting style, and life experiences.

Gait is a medical term used to describe the pattern of movement of the limbs during walking or running. It includes the manner or style of walking, including factors such as rhythm, speed, and step length. A person's gait can provide important clues about their physical health and neurological function, and abnormalities in gait may indicate the presence of underlying medical conditions, such as neuromuscular disorders, orthopedic problems, or injuries.

A typical human gait cycle involves two main phases: the stance phase, during which the foot is in contact with the ground, and the swing phase, during which the foot is lifted and moved forward in preparation for the next step. The gait cycle can be further broken down into several sub-phases, including heel strike, foot flat, midstance, heel off, and toe off.

Gait analysis is a specialized field of study that involves observing and measuring a person's gait pattern using various techniques, such as video recordings, force plates, and motion capture systems. This information can be used to diagnose and treat gait abnormalities, improve mobility and function, and prevent injuries.

Computer-assisted image processing is a medical term that refers to the use of computer systems and specialized software to improve, analyze, and interpret medical images obtained through various imaging techniques such as X-ray, CT (computed tomography), MRI (magnetic resonance imaging), ultrasound, and others.

The process typically involves several steps, including image acquisition, enhancement, segmentation, restoration, and analysis. Image processing algorithms can be used to enhance the quality of medical images by adjusting contrast, brightness, and sharpness, as well as removing noise and artifacts that may interfere with accurate diagnosis. Segmentation techniques can be used to isolate specific regions or structures of interest within an image, allowing for more detailed analysis.

Computer-assisted image processing has numerous applications in medical imaging, including detection and characterization of lesions, tumors, and other abnormalities; assessment of organ function and morphology; and guidance of interventional procedures such as biopsies and surgeries. By automating and standardizing image analysis tasks, computer-assisted image processing can help to improve diagnostic accuracy, efficiency, and consistency, while reducing the potential for human error.

A Severity of Illness Index is a measurement tool used in healthcare to assess the severity of a patient's condition and the risk of mortality or other adverse outcomes. These indices typically take into account various physiological and clinical variables, such as vital signs, laboratory values, and co-morbidities, to generate a score that reflects the patient's overall illness severity.

Examples of Severity of Illness Indices include the Acute Physiology and Chronic Health Evaluation (APACHE) system, the Simplified Acute Physiology Score (SAPS), and the Mortality Probability Model (MPM). These indices are often used in critical care settings to guide clinical decision-making, inform prognosis, and compare outcomes across different patient populations.

It is important to note that while these indices can provide valuable information about a patient's condition, they should not be used as the sole basis for clinical decision-making. Rather, they should be considered in conjunction with other factors, such as the patient's overall clinical presentation, treatment preferences, and goals of care.

Regression analysis is a statistical technique used in medicine, as well as in other fields, to examine the relationship between one or more independent variables (predictors) and a dependent variable (outcome). It allows for the estimation of the average change in the outcome variable associated with a one-unit change in an independent variable, while controlling for the effects of other independent variables. This technique is often used to identify risk factors for diseases or to evaluate the effectiveness of medical interventions. In medical research, regression analysis can be used to adjust for potential confounding variables and to quantify the relationship between exposures and health outcomes. It can also be used in predictive modeling to estimate the probability of a particular outcome based on multiple predictors.

Psychological models are theoretical frameworks used in psychology to explain and predict mental processes and behaviors. They are simplified representations of complex phenomena, consisting of interrelated concepts, assumptions, and hypotheses that describe how various factors interact to produce specific outcomes. These models can be quantitative (e.g., mathematical equations) or qualitative (e.g., conceptual diagrams) in nature and may draw upon empirical data, theoretical insights, or both.

Psychological models serve several purposes:

1. They provide a systematic and organized way to understand and describe psychological phenomena.
2. They generate hypotheses and predictions that can be tested through empirical research.
3. They integrate findings from different studies and help synthesize knowledge across various domains of psychology.
4. They inform the development of interventions and treatments for mental health disorders.

Examples of psychological models include:

1. The Five Factor Model (FFM) of personality, which posits that individual differences in personality can be described along five broad dimensions: Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism.
2. The Cognitive-Behavioral Therapy (CBT) model, which suggests that maladaptive thoughts, feelings, and behaviors are interconnected and can be changed through targeted interventions.
3. The Dual Process Theory of Attitudes, which proposes that attitudes are formed and influenced by two distinct processes: a rapid, intuitive process (heuristic) and a slower, deliberative process (systematic).
4. The Social Cognitive Theory, which emphasizes the role of observational learning, self-efficacy, and outcome expectations in shaping behavior.
5. The Attachment Theory, which describes the dynamics of long-term relationships between humans, particularly the parent-child relationship.

It is important to note that psychological models are provisional and subject to revision or replacement as new evidence emerges. They should be considered as useful tools for understanding and explaining psychological phenomena rather than definitive truths.

In the context of medicine and healthcare, learning is often discussed in relation to learning abilities or disabilities that may impact an individual's capacity to acquire, process, retain, and apply new information or skills. Learning can be defined as the process of acquiring knowledge, understanding, behaviors, and skills through experience, instruction, or observation.

Learning disorders, also known as learning disabilities, are a type of neurodevelopmental disorder that affects an individual's ability to learn and process information in one or more areas, such as reading, writing, mathematics, or reasoning. These disorders are not related to intelligence or motivation but rather result from differences in the way the brain processes information.

It is important to note that learning can also be influenced by various factors, including age, cognitive abilities, physical and mental health status, cultural background, and educational experiences. Therefore, a comprehensive assessment of an individual's learning abilities and needs should take into account these various factors to provide appropriate support and interventions.

Language disorders, also known as communication disorders, refer to a group of conditions that affect an individual's ability to understand or produce spoken, written, or other symbolic language. These disorders can be receptive (difficulty understanding language), expressive (difficulty producing language), or mixed (a combination of both).

Language disorders can manifest as difficulties with grammar, vocabulary, sentence structure, and coherence in communication. They can also affect social communication skills such as taking turns in conversation, understanding nonverbal cues, and interpreting tone of voice.

Language disorders can be developmental, meaning they are present from birth or early childhood, or acquired, meaning they develop later in life due to injury, illness, or trauma. Examples of acquired language disorders include aphasia, which can result from stroke or brain injury, and dysarthria, which can result from neurological conditions affecting speech muscles.

Language disorders can have significant impacts on an individual's academic, social, and vocational functioning, making it important to diagnose and treat them as early as possible. Treatment typically involves speech-language therapy to help individuals develop and improve their language skills.

Motor skills are defined as the abilities required to plan, control and execute physical movements. They involve a complex interplay between the brain, nerves, muscles, and the environment. Motor skills can be broadly categorized into two types: fine motor skills, which involve small, precise movements (such as writing or picking up small objects), and gross motor skills, which involve larger movements using the arms, legs, and torso (such as crawling, walking, or running).

Motor skills development is an essential aspect of child growth and development, and it continues to evolve throughout adulthood. Difficulties with motor skills can impact a person's ability to perform daily activities and can be associated with various neurological and musculoskeletal conditions.

In medical and psychological terms, "affect" refers to a person's emotional or expressive state, mood, or dispositions that are outwardly manifested in their behavior, facial expressions, demeanor, or speech. Affect can be described as being congruent or incongruent with an individual's thoughts and experiences.

There are different types of affect, including:

1. Neutral affect: When a person shows no apparent emotion or displays minimal emotional expressiveness.
2. Positive affect: When a person exhibits positive emotions such as happiness, excitement, or enthusiasm.
3. Negative affect: When a person experiences and displays negative emotions like sadness, anger, or fear.
4. Blunted affect: When a person's emotional response is noticeably reduced or diminished, often observed in individuals with certain mental health conditions, such as schizophrenia.
5. Flat affect: When a person has an almost complete absence of emotional expressiveness, which can be indicative of severe depression or other mental health disorders.
6. Labile affect: When a person's emotional state fluctuates rapidly and frequently between positive and negative emotions, often observed in individuals with certain neurological conditions or mood disorders.

Clinicians may assess a patient's affect during an interview or examination to help diagnose mental health conditions, evaluate treatment progress, or monitor overall well-being.

A geriatric assessment is a comprehensive, multidimensional evaluation of an older adult's functional ability, mental health, social support, and overall health status. It is used to identify any medical, psychological, or social problems that could affect the person's ability to live independently and safely, and to develop an individualized plan of care to address those issues.

The assessment typically includes a review of the person's medical history, medications, cognitive function, mobility, sensory function, nutrition, continence, and mood. It may also include assessments of the person's social support network, living situation, and financial resources. The goal of the geriatric assessment is to help older adults maintain their independence and quality of life for as long as possible by addressing any issues that could put them at risk for disability or institutionalization.

Neural pathways, also known as nerve tracts or fasciculi, refer to the highly organized and specialized routes through which nerve impulses travel within the nervous system. These pathways are formed by groups of neurons (nerve cells) that are connected in a series, creating a continuous communication network for electrical signals to transmit information between different regions of the brain, spinal cord, and peripheral nerves.

Neural pathways can be classified into two main types: sensory (afferent) and motor (efferent). Sensory neural pathways carry sensory information from various receptors in the body (such as those for touch, temperature, pain, and vision) to the brain for processing. Motor neural pathways, on the other hand, transmit signals from the brain to the muscles and glands, controlling movements and other effector functions.

The formation of these neural pathways is crucial for normal nervous system function, as it enables efficient communication between different parts of the body and allows for complex behaviors, cognitive processes, and adaptive responses to internal and external stimuli.

Leukoaraiosis is a medical term that describes the appearance of small-vessel disease in the brain, which can be seen on imaging studies such as MRI or CT scans. It is characterized by areas of increased signal intensity or lucency in the white matter of the brain, particularly in the periventricular and deep white matter regions. These changes are thought to be due to ischemic damage from reduced blood flow in the small vessels of the brain.

Leukoaraiosis is often associated with aging and is more common in people with certain risk factors such as hypertension, diabetes, smoking, and hyperlipidemia. It has been linked to an increased risk of cognitive decline, gait disturbances, and stroke. However, the relationship between leukoaraiosis and these outcomes is complex and not fully understood.

Chronic brain damage is a condition characterized by long-term, persistent injury to the brain that results in cognitive, physical, and behavioral impairments. It can be caused by various factors such as trauma, hypoxia (lack of oxygen), infection, toxic exposure, or degenerative diseases. The effects of chronic brain damage may not be immediately apparent and can worsen over time, leading to significant disability and reduced quality of life.

The symptoms of chronic brain damage can vary widely depending on the severity and location of the injury. They may include:

* Cognitive impairments such as memory loss, difficulty concentrating, trouble with problem-solving and decision-making, and decreased learning ability
* Motor impairments such as weakness, tremors, poor coordination, and balance problems
* Sensory impairments such as hearing or vision loss, numbness, tingling, or altered sense of touch
* Speech and language difficulties such as aphasia (problems with understanding or producing speech) or dysarthria (slurred or slow speech)
* Behavioral changes such as irritability, mood swings, depression, anxiety, and personality changes

Chronic brain damage can be diagnosed through a combination of medical history, physical examination, neurological evaluation, and imaging studies such as MRI or CT scans. Treatment typically focuses on managing symptoms and maximizing function through rehabilitation therapies such as occupational therapy, speech therapy, and physical therapy. In some cases, medication or surgery may be necessary to address specific symptoms or underlying causes of the brain damage.

A gait disorder is a disturbance in the ability to walk that can't be attributed to physical disabilities such as weakness or paralysis. Neurologic gait disorders are those specifically caused by underlying neurological conditions. These disorders can result from damage to the brain, spinal cord, or peripheral nerves that disrupts communication between the muscles and the brain.

Neurologic gait disorders can present in various ways, including:

1. **Spastic Gait:** This is a stiff, foot-dragging walk caused by increased muscle tone (hypertonia) and stiffness (spasticity). It's often seen in conditions like cerebral palsy or multiple sclerosis.

2. **Ataxic Gait:** This is a broad-based, unsteady, and irregular walk caused by damage to the cerebellum, which affects balance and coordination. Conditions such as cerebellar atrophy or stroke can cause this type of gait disorder.

3. **Parkinsonian Gait:** This is a shuffling walk with small steps, flexed knees, and difficulty turning. It's often seen in Parkinson's disease.

4. **Neuropathic Gait:** This is a high-stepping walk caused by foot drop (difficulty lifting the front part of the foot), which results from damage to the peripheral nerves. Conditions such as diabetic neuropathy or Guillain-Barre syndrome can cause this type of gait disorder.

5. **Choreic Gait:** This is an irregular, dance-like walk caused by involuntary movements (chorea) seen in conditions like Huntington's disease.

6. **Mixed Gait:** Sometimes, a person may exhibit elements of more than one type of gait disorder.

The specific type of gait disorder can provide important clues about the underlying neurological condition and help guide diagnosis and treatment.

Myelinated nerve fibers are neuronal processes that are surrounded by a myelin sheath, a fatty insulating substance that is produced by Schwann cells in the peripheral nervous system and oligodendrocytes in the central nervous system. This myelin sheath helps to increase the speed of electrical impulse transmission, also known as action potentials, along the nerve fiber. The myelin sheath has gaps called nodes of Ranvier where the electrical impulses can jump from one node to the next, which also contributes to the rapid conduction of signals. Myelinated nerve fibers are typically found in the peripheral nerves and the optic nerve, but not in the central nervous system (CNS) tracts that are located within the brain and spinal cord.

I'm sorry for any confusion, but "thinking" is not a term that has a specific medical definition. It is a cognitive process, which is a general term used to describe various mental activities related to perception, reasoning, memory, attention, language use, learning, and problem-solving. These processes are studied across many fields, including psychology, neuroscience, philosophy, and linguistics.

If you're looking for medical definitions of cognitive processes or conditions that affect cognition, I'd be happy to help! Please provide more details.

Neuropsychology is a branch of psychology that deals with the study of the structure and function of the brain as they relate to cognitive and behavioral processes. It involves understanding how damage to different parts of the brain can affect various mental abilities such as memory, attention, language, perception, and problem-solving.

Neuropsychologists often work with patients who have neurological conditions like Alzheimer's disease, Parkinson's disease, traumatic brain injury, stroke, or epilepsy to evaluate their cognitive and behavioral strengths and weaknesses. They use various assessment tools and techniques, including neuropsychological tests, interviews, and observations, to make these evaluations.

The findings from a neuropsychological evaluation can help in several ways, such as:

1. Diagnosing neurological conditions or monitoring the progression of a known condition.
2. Developing treatment plans that take into account the individual's cognitive and behavioral strengths and weaknesses.
3. Providing recommendations for rehabilitation or accommodations in daily life, education, or work settings.
4. Monitoring changes in cognitive function over time to assess the effectiveness of treatments or the progression of a condition.
5. Conducting research to better understand the relationship between brain structure and function and behavior.

"Age factors" refer to the effects, changes, or differences that age can have on various aspects of health, disease, and medical care. These factors can encompass a wide range of issues, including:

1. Physiological changes: As people age, their bodies undergo numerous physical changes that can affect how they respond to medications, illnesses, and medical procedures. For example, older adults may be more sensitive to certain drugs or have weaker immune systems, making them more susceptible to infections.
2. Chronic conditions: Age is a significant risk factor for many chronic diseases, such as heart disease, diabetes, cancer, and arthritis. As a result, age-related medical issues are common and can impact treatment decisions and outcomes.
3. Cognitive decline: Aging can also lead to cognitive changes, including memory loss and decreased decision-making abilities. These changes can affect a person's ability to understand and comply with medical instructions, leading to potential complications in their care.
4. Functional limitations: Older adults may experience physical limitations that impact their mobility, strength, and balance, increasing the risk of falls and other injuries. These limitations can also make it more challenging for them to perform daily activities, such as bathing, dressing, or cooking.
5. Social determinants: Age-related factors, such as social isolation, poverty, and lack of access to transportation, can impact a person's ability to obtain necessary medical care and affect their overall health outcomes.

Understanding age factors is critical for healthcare providers to deliver high-quality, patient-centered care that addresses the unique needs and challenges of older adults. By taking these factors into account, healthcare providers can develop personalized treatment plans that consider a person's age, physical condition, cognitive abilities, and social circumstances.

In a medical context, "achievement" generally refers to the successful completion of a specific goal or task related to a person's health or medical treatment. This could include reaching certain milestones in rehabilitation or therapy, achieving certain laboratory test results, or meeting other health-related objectives. Achievements in healthcare are often celebrated as they represent progress and improvement in a patient's condition. However, it is important to note that the definition of achievement may vary depending on the individual's medical history, current health status, and treatment plan.

A cross-sectional study is a type of observational research design that examines the relationship between variables at one point in time. It provides a snapshot or a "cross-section" of the population at a particular moment, allowing researchers to estimate the prevalence of a disease or condition and identify potential risk factors or associations.

In a cross-sectional study, data is collected from a sample of participants at a single time point, and the variables of interest are measured simultaneously. This design can be used to investigate the association between exposure and outcome, but it cannot establish causality because it does not follow changes over time.

Cross-sectional studies can be conducted using various data collection methods, such as surveys, interviews, or medical examinations. They are often used in epidemiology to estimate the prevalence of a disease or condition in a population and to identify potential risk factors that may contribute to its development. However, because cross-sectional studies only provide a snapshot of the population at one point in time, they cannot account for changes over time or determine whether exposure preceded the outcome.

Therefore, while cross-sectional studies can be useful for generating hypotheses and identifying potential associations between variables, further research using other study designs, such as cohort or case-control studies, is necessary to establish causality and confirm any findings.

Bipolar disorder, also known as manic-depressive illness, is a mental health condition that causes extreme mood swings that include emotional highs (mania or hypomania) and lows (depression). When you become depressed, you may feel sad or hopeless and lose interest or pleasure in most activities. When your mood shifts to mania or hypomania (a less severe form of mania), you may feel euphoric, full of energy, or unusually irritable. These mood swings can significantly affect your job, school, relationships, and overall quality of life.

Bipolar disorder is typically characterized by the presence of one or more manic or hypomanic episodes, often accompanied by depressive episodes. The episodes may be separated by periods of normal mood, but in some cases, a person may experience rapid cycling between mania and depression.

There are several types of bipolar disorder, including:

* Bipolar I Disorder: This type is characterized by the occurrence of at least one manic episode, which may be preceded or followed by hypomanic or major depressive episodes.
* Bipolar II Disorder: This type involves the presence of at least one major depressive episode and at least one hypomanic episode, but no manic episodes.
* Cyclothymic Disorder: This type is characterized by numerous periods of hypomania and depression that are not severe enough to meet the criteria for a full manic or depressive episode.
* Other Specified and Unspecified Bipolar and Related Disorders: These categories include bipolar disorders that do not fit the criteria for any of the other types.

The exact cause of bipolar disorder is unknown, but it appears to be related to a combination of genetic, environmental, and neurochemical factors. Treatment typically involves a combination of medication, psychotherapy, and lifestyle changes to help manage symptoms and prevent relapses.

Higher Nervous Activity (HNA) is a term used in neurology and psychology to refer to the complex functions of the nervous system that are associated with higher order cognitive processes, such as thinking, learning, memory, perception, and language. These functions are primarily mediated by the cerebral cortex and other associative areas of the brain, which are involved in integrating sensory information, planning and executing motor responses, and modulating emotional and social behavior.

HNA is often contrasted with lower nervous activity (LNA), which refers to more basic functions of the nervous system, such as reflexes and automatic responses that do not require conscious control or higher-order cognitive processing. HNA is thought to be unique to humans and some other animals, and is believed to have evolved to enable complex behaviors and adaptations to changing environments.

Disorders of HNA can result in a wide range of neurological and psychiatric symptoms, depending on the specific areas of the brain that are affected. These may include cognitive impairments, memory loss, language disorders, perceptual disturbances, emotional dysregulation, and motor deficits.

Factor analysis is a statistical technique used to identify patterns or structures in a dataset by explaining the correlations between variables. It is a method of simplifying complex data by reducing it to a smaller set of underlying factors that can explain most of the variation in the data. In other words, factor analysis is a way to uncover hidden relationships between multiple variables and group them into meaningful categories or factors.

In factor analysis, each variable is represented as a linear combination of underlying factors, where the factors are unobserved variables that cannot be directly measured but can only be inferred from the observed data. The goal is to identify these underlying factors and determine their relationships with the observed variables. This technique is commonly used in various fields such as psychology, social sciences, marketing, and biomedical research to explore complex datasets and gain insights into the underlying structure of the data.

There are two main types of factor analysis: exploratory factor analysis (EFA) and confirmatory factor analysis (CFA). EFA is used when there is no prior knowledge about the underlying factors, and the goal is to discover the potential structure in the data. CFA, on the other hand, is used when there is a theoretical framework or hypothesis about the underlying factors, and the goal is to test whether the observed data support this framework or hypothesis.

In summary, factor analysis is a statistical method for reducing complex datasets into simpler components called factors, which can help researchers identify patterns, structures, and relationships in the data.

Educational status refers to the level or stage of education that a person has reached. It can be used to describe an individual's educational background, achievements, and qualifications. Educational status can be categorized in various ways, including by level (e.g., elementary school, high school, college, graduate school), years of schooling completed, or type of degree earned (e.g., bachelor's, master's, doctoral).

In medical settings, educational status may be used as a demographic variable to describe the characteristics of a patient population or to identify potential disparities in health outcomes based on education level. Research has shown that higher levels of education are often associated with better health outcomes, including lower rates of chronic diseases and improved mental health. Therefore, understanding a patient's educational status can help healthcare providers tailor their care and education strategies to meet the unique needs and challenges of each individual.

Visual perception refers to the ability to interpret and organize information that comes from our eyes to recognize and understand what we are seeing. It involves several cognitive processes such as pattern recognition, size estimation, movement detection, and depth perception. Visual perception allows us to identify objects, navigate through space, and interact with our environment. Deficits in visual perception can lead to learning difficulties and disabilities.

I'm sorry for any confusion, but "Video Games" is not a term that has a medical definition. Video games are interactive software programs that run on electronic devices, such as computers, gaming consoles, and mobile phones. They typically involve some form of user input, such as keyboard or controller movements, to control an avatar or environment within the game.

However, there is a growing field of research examining the potential health impacts of video games, both positive and negative. Some studies have suggested that certain types of video games can improve cognitive abilities, such as problem-solving, memory, and reaction time. However, excessive gaming has also been linked to issues such as addiction, social isolation, and decreased physical activity.

If you have any concerns about the impact of video games on your health or the health of someone you know, it may be helpful to speak with a healthcare professional for guidance.

Vascular dementia is a type of dementia that is caused by damage to the blood vessels that supply blood to the brain. This damage can result from conditions such as stroke, chronic high blood pressure, diabetes, or other diseases that affect the circulatory system. The interruption in blood flow to the brain can lead to damaged or dead brain cells, which can impair cognitive function and cause symptoms similar to those seen in other types of dementia, such as Alzheimer's disease.

The symptoms of vascular dementia can vary depending on the severity and location of the damage to the blood vessels. However, common symptoms include difficulties with memory, attention, and decision-making; problems with language and speech; changes in mood or behavior; and difficulty walking or performing other physical tasks. Vascular dementia is typically a progressive condition, meaning that the symptoms tend to worsen over time.

It's important to note that vascular dementia can coexist with other types of dementia, such as Alzheimer's disease, and this is known as mixed dementia. Proper diagnosis and management of underlying medical conditions that contribute to vascular dementia can help slow down the progression of cognitive decline and improve quality of life for individuals living with this condition.

I'm sorry for any confusion, but "Martial Arts" is not a medical term. It refers to various systems and traditions of combat and self-defense that are practiced as recreational activities, physical fitness, spiritual development, or as a profession. Examples include karate, judo, kung fu, taekwondo, and many others.

If you have any medical concerns or questions, I'd be happy to help if I can!

Activities of Daily Living (ADL) are routine self-care activities that individuals usually do every day without assistance. These activities are widely used as a measure to determine the functional status and independence of a person, particularly in the elderly or those with disabilities or chronic illnesses. The basic ADLs include:

1. Personal hygiene: Bathing, washing hands and face, brushing teeth, grooming, and using the toilet.
2. Dressing: Selecting appropriate clothes and dressing oneself.
3. Eating: Preparing and consuming food, either independently or with assistive devices.
4. Mobility: Moving in and out of bed, chairs, or wheelchairs, walking independently or using mobility aids.
5. Transferring: Moving from one place to another, such as getting in and out of a car, bath, or bed.

There are also more complex Instrumental Activities of Daily Living (IADLs) that assess an individual's ability to manage their own life and live independently. These include managing finances, shopping for groceries, using the telephone, taking medications as prescribed, preparing meals, and housekeeping tasks.

A questionnaire in the medical context is a standardized, systematic, and structured tool used to gather information from individuals regarding their symptoms, medical history, lifestyle, or other health-related factors. It typically consists of a series of written questions that can be either self-administered or administered by an interviewer. Questionnaires are widely used in various areas of healthcare, including clinical research, epidemiological studies, patient care, and health services evaluation to collect data that can inform diagnosis, treatment planning, and population health management. They provide a consistent and organized method for obtaining information from large groups or individual patients, helping to ensure accurate and comprehensive data collection while minimizing bias and variability in the information gathered.

Social behavior, in the context of medicine and psychology, refers to the ways in which individuals interact and engage with others within their social environment. It involves various actions, communications, and responses that are influenced by cultural norms, personal values, emotional states, and cognitive processes. These behaviors can include but are not limited to communication, cooperation, competition, empathy, altruism, aggression, and conformity.

Abnormalities in social behavior may indicate underlying mental health conditions such as autism spectrum disorder, schizophrenia, or personality disorders. Therefore, understanding and analyzing social behavior is an essential aspect of diagnosing and treating various psychological and psychiatric conditions.

Diffusion Tensor Imaging (DTI) is a type of magnetic resonance imaging (MRI) technique that allows for the measurement and visualization of water diffusion in biological tissues, particularly in the brain. DTI provides information about the microstructural organization and integrity of nerve fibers within the brain by measuring the directionality of water diffusion in the brain's white matter tracts.

In DTI, a tensor is used to describe the three-dimensional diffusion properties of water molecules in each voxel (three-dimensional pixel) of an MRI image. The tensor provides information about the magnitude and direction of water diffusion, which can be used to calculate various diffusion metrics such as fractional anisotropy (FA), mean diffusivity (MD), axial diffusivity (AD), and radial diffusivity (RD). These metrics provide insights into the structural properties of nerve fibers, including their orientation, density, and integrity.

DTI has numerous clinical applications, such as in the diagnosis and monitoring of neurological disorders like multiple sclerosis, traumatic brain injury, and neurodegenerative diseases. It can also be used for presurgical planning to identify critical white matter tracts that need to be preserved during surgery.

Adolescent development is a phase of growth and development that occurs after childhood and before adulthood, typically between the ages of 10-24 years old. This stage is characterized by significant physical, cognitive, emotional, and social changes as an individual transitions from dependence to independence.

Physical development during adolescence includes significant growth spurts, hormonal changes, and sexual maturation, leading to puberty. Cognitive development involves the acquisition of abstract thinking, problem-solving, and decision-making skills. Emotional development is marked by increased self-awareness, self-esteem, and the ability to regulate emotions. Social development includes the formation of peer relationships, romantic relationships, and the development of a sense of identity and independence from family.

It's important to note that adolescent development can vary widely among individuals, and cultural, social, and environmental factors can significantly influence the course and outcome of this stage.

I'm sorry for any confusion, but "vocabulary" is a term related to language and communication, rather than medicine or healthcare. It refers to the words and phrases that a person knows and uses in their communication. If you have any questions related to medical terminology or health-related topics, I would be happy to help with those!

Decision-making is the cognitive process of selecting a course of action from among multiple alternatives. In a medical context, decision-making refers to the process by which healthcare professionals and patients make choices about medical tests, treatments, or management options based on a thorough evaluation of available information, including the patient's preferences, values, and circumstances.

The decision-making process in medicine typically involves several steps:

1. Identifying the problem or issue that requires a decision.
2. Gathering relevant information about the patient's medical history, current condition, diagnostic test results, treatment options, and potential outcomes.
3. Considering the benefits, risks, and uncertainties associated with each option.
4. Evaluating the patient's preferences, values, and goals.
5. Selecting the most appropriate course of action based on a careful weighing of the available evidence and the patient's individual needs and circumstances.
6. Communicating the decision to the patient and ensuring that they understand the rationale behind it, as well as any potential risks or benefits.
7. Monitoring the outcomes of the decision and adjusting the course of action as needed based on ongoing evaluation and feedback.

Effective decision-making in medicine requires a thorough understanding of medical evidence, clinical expertise, and patient preferences. It also involves careful consideration of ethical principles, such as respect for autonomy, non-maleficence, beneficence, and justice. Ultimately, the goal of decision-making in healthcare is to promote the best possible outcomes for patients while minimizing harm and respecting their individual needs and values.

A nerve net, also known as a neural net or neuronal network, is not a medical term per se, but rather a concept in neuroscience and artificial intelligence (AI). It refers to a complex network of interconnected neurons that process and transmit information. In the context of the human body, the nervous system can be thought of as a type of nerve net, with the brain and spinal cord serving as the central processing unit and peripheral nerves carrying signals to and from various parts of the body.

In the field of AI, artificial neural networks are computational models inspired by the structure and function of biological nerve nets. These models consist of interconnected nodes or "neurons" that process information and learn patterns through a process of training and adaptation. They have been used in a variety of applications, including image recognition, natural language processing, and machine learning.

I'm sorry for any confusion, but "Linear Models" is actually a term from the field of statistics and machine learning, rather than medicine. A linear model is a type of statistical model that is used to analyze the relationship between two or more variables. In a linear model, the relationship between the dependent variable (the outcome or result) and the independent variable(s) (the factors being studied) is assumed to be linear, meaning that it can be described by a straight line on a graph.

The equation for a simple linear model with one independent variable (x) and one dependent variable (y) looks like this:

y = β0 + β1*x + ε

In this equation, β0 is the y-intercept or the value of y when x equals zero, β1 is the slope or the change in y for each unit increase in x, and ε is the error term or the difference between the actual values of y and the predicted values of y based on the linear model.

Linear models are widely used in medical research to study the relationship between various factors (such as exposure to a risk factor or treatment) and health outcomes (such as disease incidence or mortality). They can also be used to adjust for confounding variables, which are factors that may influence both the independent variable and the dependent variable, and thus affect the observed relationship between them.

The parietal lobe is a region of the brain that is located in the posterior part of the cerebral cortex, covering the upper and rear portions of the brain. It is involved in processing sensory information from the body, such as touch, temperature, and pain, as well as spatial awareness and perception, visual-spatial cognition, and the integration of different senses.

The parietal lobe can be divided into several functional areas, including the primary somatosensory cortex (which receives tactile information from the body), the secondary somatosensory cortex (which processes more complex tactile information), and the posterior parietal cortex (which is involved in spatial attention, perception, and motor planning).

Damage to the parietal lobe can result in various neurological symptoms, such as neglect of one side of the body, difficulty with spatial orientation, problems with hand-eye coordination, and impaired mathematical and language abilities.

In the field of medicine, "time factors" refer to the duration of symptoms or time elapsed since the onset of a medical condition, which can have significant implications for diagnosis and treatment. Understanding time factors is crucial in determining the progression of a disease, evaluating the effectiveness of treatments, and making critical decisions regarding patient care.

For example, in stroke management, "time is brain," meaning that rapid intervention within a specific time frame (usually within 4.5 hours) is essential to administering tissue plasminogen activator (tPA), a clot-busting drug that can minimize brain damage and improve patient outcomes. Similarly, in trauma care, the "golden hour" concept emphasizes the importance of providing definitive care within the first 60 minutes after injury to increase survival rates and reduce morbidity.

Time factors also play a role in monitoring the progression of chronic conditions like diabetes or heart disease, where regular follow-ups and assessments help determine appropriate treatment adjustments and prevent complications. In infectious diseases, time factors are crucial for initiating antibiotic therapy and identifying potential outbreaks to control their spread.

Overall, "time factors" encompass the significance of recognizing and acting promptly in various medical scenarios to optimize patient outcomes and provide effective care.

Space perception, in the context of neuroscience and psychology, refers to the ability to perceive and understand the spatial arrangement of objects and their relationship to oneself. It involves integrating various sensory inputs such as visual, auditory, tactile, and proprioceptive information to create a coherent three-dimensional representation of our environment.

This cognitive process enables us to judge distances, sizes, shapes, and movements of objects around us. It also helps us navigate through space, reach for objects, avoid obstacles, and maintain balance. Disorders in space perception can lead to difficulties in performing everyday activities and may be associated with neurological conditions such as stroke, brain injury, or neurodevelopmental disorders like autism.

A Chief Executive Officer (CEO) in a hospital is a top-level executive who is responsible for the overall management and operation of the hospital. The CEO reports to the hospital's board of directors and is accountable for ensuring that the hospital meets its financial, operational, and quality goals.

The CEO's responsibilities typically include developing and implementing strategic plans, overseeing hospital operations, managing budgets and finances, ensuring compliance with regulatory requirements, and building relationships with key stakeholders such as medical staff, employees, patients, and community members. The CEO may also be involved in fundraising efforts and advocating for the hospital's interests with policymakers and other external groups.

In larger healthcare systems, the CEO may oversee multiple hospitals or facilities and work closely with other executives to coordinate operations and ensure alignment with the organization's mission and values.

Prospective studies, also known as longitudinal studies, are a type of cohort study in which data is collected forward in time, following a group of individuals who share a common characteristic or exposure over a period of time. The researchers clearly define the study population and exposure of interest at the beginning of the study and follow up with the participants to determine the outcomes that develop over time. This type of study design allows for the investigation of causal relationships between exposures and outcomes, as well as the identification of risk factors and the estimation of disease incidence rates. Prospective studies are particularly useful in epidemiology and medical research when studying diseases with long latency periods or rare outcomes.

Psychological tests are standardized procedures or measures used to assess various aspects of an individual's cognitive functioning, personality traits, emotional status, and behavior. These tests are designed to be reliable and valid tools for evaluating specific psychological constructs such as intelligence, memory, attention, achievement, aptitude, interests, and values. They can be in the form of questionnaires, interviews, observational scales, or performance-based tasks. The results obtained from these tests help mental health professionals make informed decisions about diagnosis, treatment planning, and educational or vocational guidance for their clients. It is important to note that psychological tests should only be administered, scored, and interpreted by trained and qualified professionals to ensure accurate and meaningful results.

Perceptual disorders are conditions that affect the way a person perceives or interprets sensory information from their environment. These disorders can involve any of the senses, including sight, sound, touch, taste, and smell. They can cause a person to have difficulty recognizing, interpreting, or responding appropriately to sensory stimuli.

Perceptual disorders can result from damage to the brain or nervous system, such as from a head injury, stroke, or degenerative neurological condition. They can also be caused by certain mental health conditions, such as schizophrenia or severe depression.

Symptoms of perceptual disorders may include:

* Misinterpretations of sensory information, such as seeing things that are not there or hearing voices that are not present
* Difficulty recognizing familiar objects or people
* Problems with depth perception or spatial awareness
* Difficulty judging the size, shape, or distance of objects
* Trouble distinguishing between similar sounds or colors
* Impaired sense of smell or taste

Perceptual disorders can have a significant impact on a person's daily life and functioning. Treatment may involve medication, therapy, or rehabilitation to help the person better cope with their symptoms and improve their ability to interact with their environment.

Follow-up studies are a type of longitudinal research that involve repeated observations or measurements of the same variables over a period of time, in order to understand their long-term effects or outcomes. In medical context, follow-up studies are often used to evaluate the safety and efficacy of medical treatments, interventions, or procedures.

In a typical follow-up study, a group of individuals (called a cohort) who have received a particular treatment or intervention are identified and then followed over time through periodic assessments or data collection. The data collected may include information on clinical outcomes, adverse events, changes in symptoms or functional status, and other relevant measures.

The results of follow-up studies can provide important insights into the long-term benefits and risks of medical interventions, as well as help to identify factors that may influence treatment effectiveness or patient outcomes. However, it is important to note that follow-up studies can be subject to various biases and limitations, such as loss to follow-up, recall bias, and changes in clinical practice over time, which must be carefully considered when interpreting the results.

Discrimination learning is a type of learning in which an individual learns to distinguish between two or more stimuli and respond differently to each. It involves the ability to recognize the differences between similar stimuli and to respond appropriately based on the specific characteristics of each stimulus. This type of learning is important for many aspects of cognition, including perception, language, and problem-solving.

In discrimination learning, an individual may be presented with two or more stimuli and reinforced for responding differently to each. For example, a person might be trained to press a button in response to the color red and to do nothing in response to the color green. Through this process of differential reinforcement, the individual learns to discriminate between the two colors and to respond appropriately to each.

Discrimination learning is often studied in animals as well as humans, and it is thought to involve a range of cognitive processes, including attention, memory, and perception. It is an important aspect of many forms of learning and plays a role in a wide variety of behaviors.

I am not aware of a medical definition for "Internal-External Control." However, the term "locus of control" is commonly used in psychology and medicine to describe an individual's belief about the degree to which they have control over events and outcomes in their life.

Locus of control can be categorized as either internal or external:

* Internal locus of control refers to the belief that one has control over their own life outcomes, and that these outcomes are determined by their own efforts, abilities, and choices.
* External locus of control, on the other hand, refers to the belief that events and outcomes in one's life are controlled by external factors such as luck, chance, or powerful others.

Both internal and external locus of control can have implications for health behaviors and medical outcomes. For example, individuals with an internal locus of control may be more likely to engage in healthy behaviors such as exercise and healthy eating, while those with an external locus of control may be more likely to engage in risky behaviors such as smoking or substance abuse. Similarly, a strong internal locus of control has been associated with better medical outcomes, including improved mental health and reduced symptoms of chronic illness.

The Brief Psychiatric Rating Scale (BPRS) is a widely used clinician-rated scale for assessing the severity of psychopathology in individuals with mental illness. It consists of 18 items, each rated on a 7-point scale (1=not present to 7=extremely severe), that measure various symptoms such as depression, anxiety, hostility, hallucinations, and unusual thoughts. The BPRS is often used in research and clinical settings to monitor treatment response and symptom changes over time.

The cerebral cortex is the outermost layer of the brain, characterized by its intricate folded structure and wrinkled appearance. It is a region of great importance as it plays a key role in higher cognitive functions such as perception, consciousness, thought, memory, language, and attention. The cerebral cortex is divided into two hemispheres, each containing four lobes: the frontal, parietal, temporal, and occipital lobes. These areas are responsible for different functions, with some regions specializing in sensory processing while others are involved in motor control or associative functions. The cerebral cortex is composed of gray matter, which contains neuronal cell bodies, and is covered by a layer of white matter that consists mainly of myelinated nerve fibers.

Anisotropy is a medical term that refers to the property of being directionally dependent, meaning that its properties or characteristics vary depending on the direction in which they are measured. In the context of medicine and biology, anisotropy can refer to various biological structures, tissues, or materials that exhibit different physical or chemical properties along different axes.

For example, certain types of collagen fibers in tendons and ligaments exhibit anisotropic behavior because they are stronger and stiffer when loaded along their long axis compared to being loaded perpendicular to it. Similarly, some brain tissues may show anisotropy due to the presence of nerve fibers that are organized in specific directions, leading to differences in electrical conductivity or diffusion properties depending on the orientation of the measurement.

Anisotropy is an important concept in various medical fields, including radiology, neurology, and materials science, as it can provide valuable information about the structure and function of biological tissues and help guide diagnostic and therapeutic interventions.

Psychotic disorders are a group of severe mental health conditions characterized by distorted perceptions, thoughts, and emotions that lead to an inability to recognize reality. The two most common symptoms of psychotic disorders are hallucinations and delusions. Hallucinations are when a person sees, hears, or feels things that aren't there, while delusions are fixed, false beliefs that are not based on reality.

Other symptoms may include disorganized speech, disorganized behavior, catatonic behavior, and negative symptoms such as apathy and lack of emotional expression. Schizophrenia is the most well-known psychotic disorder, but other types include schizoaffective disorder, delusional disorder, brief psychotic disorder, shared psychotic disorder, and substance-induced psychotic disorder.

Psychotic disorders can be caused by a variety of factors, including genetics, brain chemistry imbalances, trauma, and substance abuse. Treatment typically involves a combination of medication, therapy, and support services to help manage symptoms and improve quality of life.

I'm sorry for any confusion, but "semantics" is not a term that has a specific medical definition. Semantics is actually a branch of linguistics that deals with the study of meaning, reference, and the interpretation of signs and symbols, either individually or in combination. It is used in various fields including computer science, anthropology, psychology, and philosophy.

However, if you have any medical terms or concepts that you would like me to explain, I'd be happy to help!

Pedophilia is a psychiatric disorder in which an adult or older adolescent has a primary or exclusive sexual attraction to prepubescent children, typically younger than 13 years of age. The diagnosis is based on the presence of these feelings, not on any actions taken by the individual. Engaging in sexual activity with a prepubescent child is illegal and considered child abuse, regardless of whether the person has pedophilia.

It's important to note that having pedophilic feelings does not necessarily mean an individual will act on them. Some people with pedophilia are able to maintain celibacy and never engage in sexual activities with children. However, it's crucial for individuals with these feelings to seek professional help to ensure they don't harm others and to address their own emotional and psychological challenges.

Aptitude tests are standardized assessments designed to measure a person's potential to perform certain tasks or learn new skills. These tests typically evaluate various cognitive abilities, such as logical reasoning, spatial awareness, numerical comprehension, and verbal aptitude. They are often used in educational and occupational settings to help identify individuals who may be well-suited for specific courses of study or careers.

In the context of medical education and training, aptitude tests can be utilized to predict a candidate's likelihood of success in various healthcare professions. For example, the Medical College Admission Test (MCAT) is an aptitude test that measures a student's problem-solving abilities, critical thinking skills, and knowledge of scientific concepts relevant to medicine. This test helps medical schools determine whether applicants have the necessary foundational skills to succeed in their programs.

Other healthcare fields may also use aptitude tests during the selection process. For instance, nursing schools might administer tests to evaluate candidates' abilities in areas like math, communication, and critical thinking. Similarly, allied health programs may use specialized aptitude assessments to ensure that students possess the cognitive skills required for their chosen profession.

It is important to note that while aptitude tests can provide valuable insights into a person's potential, they should not be the sole determinant of suitability for a particular course of study or career. Other factors, such as motivation, interpersonal skills, and life experiences, also play crucial roles in an individual's success in any given field.

Social adjustment, in the context of mental health and psychology, refers to an individual's ability to adapt and function effectively within their social environment. It involves developing and maintaining positive relationships with others, fulfilling various social roles (such as being a family member, friend, or employee), and meeting the expectations and demands of one's social group.

Social adjustment can be affected by various factors, including an individual's personality traits, coping skills, mental and physical health status, and life experiences. Poor social adjustment can lead to feelings of isolation, loneliness, and dissatisfaction with life, as well as increased risk for mental health problems such as depression and anxiety.

Assessing social adjustment is an important aspect of mental health care, as it can provide valuable insights into an individual's overall functioning and quality of life. Treatments such as psychotherapy and social skills training may be used to help improve social adjustment in individuals who are struggling in this area.

Parkinson's disease is a progressive neurodegenerative disorder that affects movement. It is characterized by the death of dopamine-producing cells in the brain, specifically in an area called the substantia nigra. The loss of these cells leads to a decrease in dopamine levels, which results in the motor symptoms associated with Parkinson's disease. These symptoms can include tremors at rest, stiffness or rigidity of the limbs and trunk, bradykinesia (slowness of movement), and postural instability (impaired balance and coordination). In addition to these motor symptoms, non-motor symptoms such as cognitive impairment, depression, anxiety, and sleep disturbances are also common in people with Parkinson's disease. The exact cause of Parkinson's disease is unknown, but it is thought to be a combination of genetic and environmental factors. There is currently no cure for Parkinson's disease, but medications and therapies can help manage the symptoms and improve quality of life.

Amphetamine-related disorders are a category of mental disorders related to the use of amphetamines or similar stimulant drugs. According to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), there are several specific amphetamine-related disorders:

1. Amphetamine Use Disorder: This disorder is characterized by a problematic pattern of amphetamine use leading to clinically significant impairment or distress. The symptoms include increased tolerance, withdrawal, unsuccessful attempts to cut down or quit using, and continued use despite negative consequences.
2. Amphetamine Intoxication: This disorder occurs when an individual uses amphetamines and experiences symptoms such as agitation, aggression, hallucinations, delusions, tachycardia, hypertension, and elevated body temperature.
3. Amphetamine Withdrawal: This disorder is characterized by a cluster of symptoms that occur after cessation or reduction in amphetamine use, including dysphoric mood, fatigue, increased appetite, sleep disturbances, vivid dreams, and slowing of psychomotor activity.
4. Other Specified Amphetamine-Related Disorder: This category is used when an individual experiences significant problems related to amphetamine use that do not meet the full criteria for any of the other disorders in this category.
5. Unspecified Amphetamine-Related Disorder: This category is used when an individual experiences significant problems related to amphetamine use, but the specific diagnosis cannot be determined due to insufficient information or because the clinician chooses not to specify the reason.

It's important to note that amphetamines are a class of drugs that include prescription stimulants such as Adderall and Ritalin, as well as illicit substances like methamphetamine. Amphetamine-related disorders can have serious consequences for an individual's physical and mental health, relationships, and overall quality of life.

The Predictive Value of Tests, specifically the Positive Predictive Value (PPV) and Negative Predictive Value (NPV), are measures used in diagnostic tests to determine the probability that a positive or negative test result is correct.

Positive Predictive Value (PPV) is the proportion of patients with a positive test result who actually have the disease. It is calculated as the number of true positives divided by the total number of positive results (true positives + false positives). A higher PPV indicates that a positive test result is more likely to be a true positive, and therefore the disease is more likely to be present.

Negative Predictive Value (NPV) is the proportion of patients with a negative test result who do not have the disease. It is calculated as the number of true negatives divided by the total number of negative results (true negatives + false negatives). A higher NPV indicates that a negative test result is more likely to be a true negative, and therefore the disease is less likely to be present.

The predictive value of tests depends on the prevalence of the disease in the population being tested, as well as the sensitivity and specificity of the test. A test with high sensitivity and specificity will generally have higher predictive values than a test with low sensitivity and specificity. However, even a highly sensitive and specific test can have low predictive values if the prevalence of the disease is low in the population being tested.

The temporal lobe is one of the four main lobes of the cerebral cortex in the brain, located on each side of the head roughly level with the ears. It plays a major role in auditory processing, memory, and emotion. The temporal lobe contains several key structures including the primary auditory cortex, which is responsible for analyzing sounds, and the hippocampus, which is crucial for forming new memories. Damage to the temporal lobe can result in various neurological symptoms such as hearing loss, memory impairment, and changes in emotional behavior.

A cohort study is a type of observational study in which a group of individuals who share a common characteristic or exposure are followed up over time to determine the incidence of a specific outcome or outcomes. The cohort, or group, is defined based on the exposure status (e.g., exposed vs. unexposed) and then monitored prospectively to assess for the development of new health events or conditions.

Cohort studies can be either prospective or retrospective in design. In a prospective cohort study, participants are enrolled and followed forward in time from the beginning of the study. In contrast, in a retrospective cohort study, researchers identify a cohort that has already been assembled through medical records, insurance claims, or other sources and then look back in time to assess exposure status and health outcomes.

Cohort studies are useful for establishing causality between an exposure and an outcome because they allow researchers to observe the temporal relationship between the two. They can also provide information on the incidence of a disease or condition in different populations, which can be used to inform public health policy and interventions. However, cohort studies can be expensive and time-consuming to conduct, and they may be subject to bias if participants are not representative of the population or if there is loss to follow-up.

Depression is a mood disorder that is characterized by persistent feelings of sadness, hopelessness, and loss of interest in activities. It can also cause significant changes in sleep, appetite, energy level, concentration, and behavior. Depression can interfere with daily life and normal functioning, and it can increase the risk of suicide and other mental health disorders. The exact cause of depression is not known, but it is believed to be related to a combination of genetic, biological, environmental, and psychological factors. There are several types of depression, including major depressive disorder, persistent depressive disorder, postpartum depression, and seasonal affective disorder. Treatment for depression typically involves a combination of medication and psychotherapy.

A chronic brain injury, also known as a traumatic brain injury (TBI), is an injury to the brain that results in long-term or permanent impairment. It is caused by a significant blow to the head or body, or by a penetrating head injury that disrupts the normal functioning of the brain.

Chronic brain injuries can result in a wide range of physical, cognitive, and emotional symptoms, including:

* Persistent headaches or migraines
* Difficulty with memory, concentration, and decision-making
* Changes in mood, such as depression, anxiety, or irritability
* Difficulty with communication, including speaking and understanding language
* Sensory problems, such as vision or hearing loss
* Seizures
* Balance and coordination problems
* Weakness or paralysis on one side of the body

These symptoms can vary in severity and may not be immediately apparent following the initial injury. In some cases, they may not become apparent until days, weeks, or even months after the injury.

Chronic brain injuries are often classified as mild, moderate, or severe based on the level of consciousness loss and the presence of other neurological deficits. Mild TBIs, also known as concussions, may not cause long-term impairment, while moderate to severe TBIs can result in significant disability and require ongoing rehabilitation and support.

Treatment for chronic brain injuries typically involves a multidisciplinary approach that includes medical management of symptoms, physical therapy, occupational therapy, speech and language therapy, and counseling or psychotherapy. In some cases, surgery may be necessary to address structural damage to the brain.

In a medical context, awareness generally refers to the state of being conscious or cognizant of something. This can include being aware of one's own thoughts, feelings, and experiences, as well as being aware of external events or sensations.

For example, a person who is awake and alert is said to have full awareness, while someone who is in a coma or under general anesthesia may be described as having reduced or absent awareness. Similarly, a person with dementia or Alzheimer's disease may have impaired awareness of their surroundings or of their own memory and cognitive abilities.

In some cases, awareness may also refer to the process of becoming informed or educated about a particular health condition or medical treatment. For example, a patient may be encouraged to increase their awareness of heart disease risk factors or of the potential side effects of a medication. Overall, awareness involves a deep understanding and perception of oneself and one's environment.

Photic stimulation is a medical term that refers to the exposure of the eyes to light, specifically repetitive pulses of light, which is used as a method in various research and clinical settings. In neuroscience, it's often used in studies related to vision, circadian rhythms, and brain function.

In a clinical context, photic stimulation is sometimes used in the diagnosis of certain medical conditions such as seizure disorders (like epilepsy). By observing the response of the brain to this light stimulus, doctors can gain valuable insights into the functioning of the brain and the presence of any neurological disorders.

However, it's important to note that photic stimulation should be conducted under the supervision of a trained healthcare professional, as improper use can potentially trigger seizures in individuals who are susceptible to them.

Developmental disabilities are a group of conditions that arise in childhood and are characterized by significant impairments in cognitive functioning, physical development, or both. These disabilities can affect various areas of an individual's life, including their ability to learn, communicate, socialize, and take care of themselves.

Examples of developmental disabilities include intellectual disabilities, cerebral palsy, autism spectrum disorder, Down syndrome, and fetal alcohol spectrum disorders. These conditions are typically diagnosed in childhood and can persist throughout an individual's life.

The causes of developmental disabilities are varied and can include genetic factors, environmental influences, and complications during pregnancy or childbirth. In some cases, the exact cause may be unknown.

It is important to note that individuals with developmental disabilities have unique strengths and abilities, as well as challenges. With appropriate support and services, they can lead fulfilling lives and participate actively in their communities.

Motor skills disorders are conditions that affect a person's ability to perform coordinated movements. These movements can be simple, such as buttoning a shirt, or complex, such as playing a musical instrument. Motor skills disorders can make it difficult for a person to perform everyday activities and can impact their quality of life.

There are two main types of motor skills: fine motor skills and gross motor skills. Fine motor skills involve the small movements of the hands, fingers, and wrists, such as writing or using utensils. Gross motor skills involve larger movements of the arms, legs, and torso, such as crawling, walking, or running.

Motor skills disorders can affect either fine or gross motor skills, or both. Some common types of motor skills disorders include:

* Developmental coordination disorder (DCD): a condition that affects a child's ability to perform coordinated movements and is often diagnosed in early childhood. Children with DCD may have difficulty with tasks such as tying their shoes, buttoning their clothes, or using scissors.
* Cerebral palsy: a group of disorders that affect movement and muscle tone, caused by damage to the brain before, during, or after birth. Cerebral palsy can cause stiff or floppy muscles, uncontrolled movements, and difficulty with balance and coordination.
* Dyspraxia: a condition that affects a person's ability to plan and perform coordinated movements. People with dyspraxia may have difficulty with tasks such as writing, buttoning their clothes, or playing sports.
* Ataxia: a group of disorders that affect coordination and balance, caused by damage to the cerebellum (the part of the brain that controls movement). Ataxia can cause unsteady gait, poor coordination, and difficulty with fine motor tasks.

Motor skills disorders can be caused by a variety of factors, including genetics, injury, illness, or developmental delays. Treatment for motor skills disorders may include physical therapy, occupational therapy, speech therapy, and medication. In some cases, surgery may also be necessary to treat the underlying cause of the disorder.

Sleep deprivation is a condition that occurs when an individual fails to get sufficient quality sleep or the recommended amount of sleep, typically 7-9 hours for adults. This can lead to various physical and mental health issues. It can be acute, lasting for one night or a few days, or chronic, persisting over a longer period.

The consequences of sleep deprivation include:

1. Fatigue and lack of energy
2. Difficulty concentrating or remembering things
3. Mood changes, such as irritability or depression
4. Weakened immune system
5. Increased appetite and potential weight gain
6. Higher risk of accidents due to decreased reaction time
7. Health problems like high blood pressure, diabetes, and heart disease over time

Sleep deprivation can be caused by various factors, including stress, shift work, sleep disorders like insomnia or sleep apnea, poor sleep hygiene, and certain medications. It's essential to address the underlying causes of sleep deprivation to ensure proper rest and overall well-being.

Major Depressive Disorder (MDD), also simply referred to as depression, is a serious mental health condition characterized by the presence of one or more major depressive episodes. A major depressive episode is a period of at least two weeks during which an individual experiences a severely depressed mood and/or loss of interest or pleasure in nearly all activities, accompanied by at least four additional symptoms such as significant changes in appetite or weight, sleep disturbances, psychomotor agitation or retardation, fatigue or loss of energy, feelings of worthlessness or excessive guilt, difficulty thinking, concentrating, or making decisions, and recurrent thoughts of death or suicide.

MDD can significantly impair an individual's ability to function in daily life, and it is associated with increased risks of suicide, substance abuse, and other mental health disorders. The exact cause of MDD is not fully understood, but it is believed to result from a complex interplay of genetic, biological, environmental, and psychological factors. Treatment typically involves a combination of psychotherapy (such as cognitive-behavioral therapy) and medication (such as selective serotonin reuptake inhibitors or tricyclic antidepressants).

Reference values, also known as reference ranges or reference intervals, are the set of values that are considered normal or typical for a particular population or group of people. These values are often used in laboratory tests to help interpret test results and determine whether a patient's value falls within the expected range.

The process of establishing reference values typically involves measuring a particular biomarker or parameter in a large, healthy population and then calculating the mean and standard deviation of the measurements. Based on these statistics, a range is established that includes a certain percentage of the population (often 95%) and excludes extreme outliers.

It's important to note that reference values can vary depending on factors such as age, sex, race, and other demographic characteristics. Therefore, it's essential to use reference values that are specific to the relevant population when interpreting laboratory test results. Additionally, reference values may change over time due to advances in measurement technology or changes in the population being studied.

Autistic Disorder, also known as Autism or Classic Autism, is a neurodevelopmental disorder that affects communication and behavior. It is characterized by:

1. Persistent deficits in social communication and social interaction across multiple contexts, including:
* Deficits in social-emotional reciprocity;
* Deficits in nonverbal communicative behaviors used for social interaction;
* Deficits in developing, maintaining, and understanding relationships.
2. Restricted, repetitive patterns of behavior, interests, or activities, as manifested by at least two of the following:
* Stereotyped or repetitive motor movements, use of objects, or speech;
* Insistence on sameness, inflexible adherence to routines, or ritualized patterns of verbal or nonverbal behavior;
* Highly restricted, fixated interests that are abnormal in intensity or focus;
* Hyper- or hyporeactivity to sensory input or unusual interest in sensory aspects of the environment.
3. Symptoms must be present in the early developmental period (but may not become fully manifest until social demands exceed limited capacities) and limit or impair everyday functioning.
4. Symptoms do not occur exclusively during the course of a schizophrenia spectrum disorder or other psychotic disorders.

Autistic Disorder is part of the autism spectrum disorders (ASDs), which also include Asperger's Syndrome and Pervasive Developmental Disorder Not Otherwise Specified (PDD-NOS). The current diagnostic term for this category of conditions, according to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), is Autism Spectrum Disorder.

Frontotemporal dementia (FTD) is a group of disorders caused by progressive degeneration of the frontal and temporal lobes of the brain. These areas of the brain are associated with personality, behavior, and language.

There are three main types of FTD:

1. Behavioral variant FTD (bvFTD): This type is characterized by changes in personality, behavior, and judgment. Individuals may become socially inappropriate, emotionally indifferent, or impulsive. They may lose interest in things they used to enjoy and have difficulty with tasks that require planning and organization.

2. Primary progressive aphasia (PPA): This type affects language abilities. There are two main subtypes of PPA: semantic dementia and progressive nonfluent aphasia. Semantic dementia is characterized by difficulty understanding words and objects, while progressive nonfluent aphasia is characterized by problems with speech production and articulation.

3. Motor neuron disease (MND) associated FTD: Some individuals with FTD may also develop motor neuron disease, which affects the nerves that control muscle movement. This can lead to weakness, stiffness, and wasting of muscles, as well as difficulty swallowing and speaking.

FTD is a degenerative disorder, meaning that symptoms get worse over time. There is no cure for FTD, but there are treatments available to help manage symptoms and improve quality of life. The exact cause of FTD is not known, but it is believed to be related to abnormalities in certain proteins in the brain. In some cases, FTD may run in families and be caused by genetic mutations.

In a medical or physiological context, "arousal" refers to the state of being awake and responsive to stimuli. It involves the activation of the nervous system, particularly the autonomic nervous system, which prepares the body for action. Arousal levels can vary from low (such as during sleep) to high (such as during states of excitement or stress). In clinical settings, changes in arousal may be assessed to help diagnose conditions such as coma, brain injury, or sleep disorders. It is also used in the context of sexual response, where it refers to the level of physical and mental awareness and readiness for sexual activity.

Choice behavior refers to the selection or decision-making process in which an individual consciously or unconsciously chooses one option over others based on their preferences, values, experiences, and motivations. In a medical context, choice behavior may relate to patients' decisions about their healthcare, such as selecting a treatment option, choosing a healthcare provider, or adhering to a prescribed medication regimen. Understanding choice behavior is essential in shaping health policies, developing patient-centered care models, and improving overall health outcomes.

Central nervous system (CNS) stimulants are a class of drugs that increase alertness, attention, energy, and/or mood by directly acting on the brain. They can be prescribed to treat medical conditions such as narcolepsy, attention deficit hyperactivity disorder (ADHD), and depression that has not responded to other treatments.

Examples of CNS stimulants include amphetamine (Adderall), methylphenidate (Ritalin, Concerta), and modafinil (Provigil). These medications work by increasing the levels of certain neurotransmitters, such as dopamine and norepinephrine, in the brain.

In addition to their therapeutic uses, CNS stimulants are also sometimes misused for non-medical reasons, such as to enhance cognitive performance or to get high. However, it's important to note that misusing these drugs can lead to serious health consequences, including addiction, cardiovascular problems, and mental health issues.

In the context of medicine and psychology, "temperament" refers to a person's natural disposition or character, which is often thought to be inherited and relatively stable throughout their life. It is the foundation on which personality develops, and it influences how individuals react to their environment, handle emotions, and approach various situations.

Temperament is composed of several traits, including:

1. Activity level: The degree of physical and mental energy a person exhibits.
2. Emotional intensity: The depth or strength of emotional responses.
3. Regularity: The consistency in biological functions like sleep, hunger, and elimination.
4. Approach/withdrawal: The tendency to approach or avoid new situations or people.
5. Adaptability: The ease with which a person adapts to changes in their environment.
6. Mood: The general emotional tone or baseline mood of an individual.
7. Persistence: The ability to maintain focus and effort on a task despite challenges or distractions.
8. Distractibility: The susceptibility to being diverted from a task by external stimuli.
9. Sensitivity: The degree of responsiveness to sensory input, such as touch, taste, sound, and light.
10. Attention span: The length of time a person can concentrate on a single task or activity.

These traits combine to create an individual's unique temperamental profile, which can influence their mental and physical health, social relationships, and overall well-being. Understanding temperament can help healthcare professionals tailor interventions and treatments to meet the specific needs of each patient.

Spinal dysraphism is a broad term used to describe a group of congenital malformations of the spine and spinal cord. These defects occur during embryonic development when the neural tube, which eventually forms the brain and spinal cord, fails to close properly. This results in an incomplete development or formation of the spinal cord and/or vertebral column.

There are two main categories of spinal dysraphism: open (also called exposed or overt) and closed (also called hidden or occult). Open spinal dysraphisms, such as myelomeningocele and myelocele, involve exposure of the spinal cord and/or its coverings through an opening in the back. Closed spinal dysraphisms, such as lipomyelomeningocele, tethered cord syndrome, and diastematomyelia, are more subtle and may not be visibly apparent at birth.

Symptoms of spinal dysraphism can vary widely depending on the type and severity of the defect. They may include motor and sensory impairments, bowel and bladder dysfunction, orthopedic deformities, and increased risk for neurological complications such as hydrocephalus (accumulation of fluid in the brain). Early diagnosis and intervention are crucial to optimize outcomes and minimize potential complications.

Visual pattern recognition is the ability to identify and interpret patterns in visual information. In a medical context, it often refers to the process by which healthcare professionals recognize and diagnose medical conditions based on visible signs or symptoms. This can involve recognizing the characteristic appearance of a rash, wound, or other physical feature associated with a particular disease or condition. It may also involve recognizing patterns in medical images such as X-rays, CT scans, or MRIs.

In the field of radiology, for example, visual pattern recognition is a critical skill. Radiologists are trained to recognize the typical appearances of various diseases and conditions in medical images. This allows them to make accurate diagnoses based on the patterns they see. Similarly, dermatologists use visual pattern recognition to identify skin abnormalities and diseases based on the appearance of rashes, lesions, or other skin changes.

Overall, visual pattern recognition is an essential skill in many areas of medicine, allowing healthcare professionals to quickly and accurately diagnose medical conditions based on visible signs and symptoms.

Comprehension, in a medical context, usually refers to the ability to understand and interpret spoken or written language, as well as gestures and expressions. It is a key component of communication and cognitive functioning. Difficulties with comprehension can be a symptom of various neurological conditions, such as aphasia (a disorder caused by damage to the language areas of the brain), learning disabilities, or dementia. Assessment of comprehension is often part of neuropsychological evaluations and speech-language pathology assessments.

A psychological theory is a proposed explanation or framework that aims to describe, explain, and predict psychological phenomena. It is based on established scientific principles and methods, and it integrates various observations, facts, and findings to provide a coherent understanding of psychological processes and behaviors. Psychological theories can encompass a wide range of topics, including cognition, emotion, motivation, perception, personality, learning, memory, development, and psychopathology. They are used to guide research, inform clinical practice, and advance our knowledge of the human mind and behavior.

"Healthy volunteers" are individuals who are free from any disease or illness and are typically used as controls in clinical trials or research studies. They are often required to have normal or stable laboratory test results, no significant medical history, and meet certain age and physical fitness criteria. Their role is to provide a baseline for comparison with subjects who have the condition or disease being studied. It's important to note that while healthy volunteers may not have any known health issues at the time of the study, this does not guarantee they will remain in good health throughout the duration of the trial.

Childhood behavior disorders are a group of disruptive behaviors that are more frequent or severe than is typical for the child's age and development. These behaviors can cause significant impairment in the child's life, including their relationships with family, friends, and at school. Common examples of childhood behavior disorders include:

1. Attention Deficit Hyperactivity Disorder (ADHD): A chronic condition characterized by difficulty paying attention, impulsivity, and hyperactivity.
2. Oppositional Defiant Disorder (ODD): A pattern of negative, hostile, and defiant behavior towards authority figures.
3. Conduct Disorder: A repetitive and persistent pattern of behavior that violates the rights of others or major age-appropriate societal norms or rules.
4. Intermittent Explosive Disorder (IED): A disorder characterized by recurrent impulsive aggressive behavior disproportionate to the situation.
5. Autism Spectrum Disorder (ASD): A neurodevelopmental disorder characterized by difficulties in social interaction, communication, and repetitive behaviors.
6. Tourette Syndrome: A neurological disorder characterized by repetitive, involuntary movements and vocalizations called tics.

It's important to note that children with behavior disorders often have other conditions such as learning disabilities, mood disorders, or anxiety disorders. Early identification and treatment of these disorders can significantly improve the child's outcome.

Mood disorders are a category of mental health disorders characterized by significant and persistent changes in mood, affect, and emotional state. These disorders can cause disturbances in normal functioning and significantly impair an individual's ability to carry out their daily activities. The two primary types of mood disorders are depressive disorders (such as major depressive disorder or persistent depressive disorder) and bipolar disorders (which include bipolar I disorder, bipolar II disorder, and cyclothymic disorder).

Depressive disorders involve prolonged periods of low mood, sadness, hopelessness, and a lack of interest in activities. Individuals with these disorders may also experience changes in sleep patterns, appetite, energy levels, concentration, and self-esteem. In severe cases, they might have thoughts of death or suicide.

Bipolar disorders involve alternating episodes of mania (or hypomania) and depression. During a manic episode, individuals may feel extremely elated, energetic, or irritable, with racing thoughts, rapid speech, and impulsive behavior. They might engage in risky activities, have decreased sleep needs, and display poor judgment. In contrast, depressive episodes involve the same symptoms as depressive disorders.

Mood disorders can be caused by a combination of genetic, biological, environmental, and psychological factors. Proper diagnosis and treatment, which may include psychotherapy, medication, or a combination of both, are essential for managing these conditions and improving quality of life.

I'm sorry for any confusion, but "gambling" is not a term that has a specific medical definition. Gambling is generally defined as the act of betting or wagering money or something of value on an event with an uncertain outcome, with the primary intent of winning money or material goods. It can become a problematic behavior leading to financial, emotional, and social consequences for some individuals. If you have any questions related to health or medicine, I'd be happy to help answer those!

In the context of medicine, "cues" generally refer to specific pieces of information or signals that can help healthcare professionals recognize and respond to a particular situation or condition. These cues can come in various forms, such as:

1. Physical examination findings: For example, a patient's abnormal heart rate or blood pressure reading during a physical exam may serve as a cue for the healthcare professional to investigate further.
2. Patient symptoms: A patient reporting chest pain, shortness of breath, or other concerning symptoms can act as a cue for a healthcare provider to consider potential diagnoses and develop an appropriate treatment plan.
3. Laboratory test results: Abnormal findings on laboratory tests, such as elevated blood glucose levels or abnormal liver function tests, may serve as cues for further evaluation and diagnosis.
4. Medical history information: A patient's medical history can provide valuable cues for healthcare professionals when assessing their current health status. For example, a history of smoking may increase the suspicion for chronic obstructive pulmonary disease (COPD) in a patient presenting with respiratory symptoms.
5. Behavioral or environmental cues: In some cases, behavioral or environmental factors can serve as cues for healthcare professionals to consider potential health risks. For instance, exposure to secondhand smoke or living in an area with high air pollution levels may increase the risk of developing respiratory conditions.

Overall, "cues" in a medical context are essential pieces of information that help healthcare professionals make informed decisions about patient care and treatment.

"Prenatal exposure delayed effects" refer to the adverse health outcomes or symptoms that become apparent in an individual during their development or later in life, which are caused by exposure to certain environmental factors or substances while they were still in the womb. These effects may not be immediately observable at birth and can take weeks, months, years, or even decades to manifest. They can result from maternal exposure to various agents such as infectious diseases, medications, illicit drugs, tobacco smoke, alcohol, or environmental pollutants during pregnancy. The delayed effects can impact multiple organ systems and may include physical, cognitive, behavioral, and developmental abnormalities. It is important to note that the risk and severity of these effects can depend on several factors, including the timing, duration, and intensity of the exposure, as well as the individual's genetic susceptibility.

Diffusion Magnetic Resonance Imaging (MRI) is a non-invasive medical imaging technique that uses magnetic fields and radio waves to produce detailed images of the body's internal structures, particularly the brain and nervous system. In diffusion MRI, the movement of water molecules in biological tissues is measured and analyzed to generate contrast in the images based on the microstructural properties of the tissue.

Diffusion MRI is unique because it allows for the measurement of water diffusion in various directions, which can reveal important information about the organization and integrity of nerve fibers in the brain. This technique has been widely used in research and clinical settings to study a variety of neurological conditions, including stroke, traumatic brain injury, multiple sclerosis, and neurodegenerative diseases such as Alzheimer's disease.

In summary, diffusion MRI is a specialized type of MRI that measures the movement of water molecules in biological tissues to generate detailed images of the body's internal structures, particularly the brain and nervous system. It provides valuable information about the microstructural properties of tissues and has important applications in both research and clinical settings.

Ocular motility disorders refer to a group of conditions that affect the movement of the eyes. These disorders can result from nerve damage, muscle dysfunction, or brain injuries. They can cause abnormal eye alignment, limited range of motion, and difficulty coordinating eye movements. Common symptoms include double vision, blurry vision, strabismus (crossed eyes), nystagmus (involuntary eye movement), and difficulty tracking moving objects. Ocular motility disorders can be congenital or acquired and may require medical intervention to correct or manage the condition.

The Delis-Kaplan Executive Function System (D-KEFS) is a neuropsychological test used to measure a variety of verbal and ... Donnelly JF, Carte E, Kramer JH, Zupan B, Hinshaw S (2001). "Executive functioning in girls with subtypes of ADHD". Journal of ... Baldo JV, Delis DC, Kaplan E (2003). "Role of executive functions in language: Evidence from a new verbal reasoning test". ... Kleinhans NM, Akshoomoff NA, Courchesne E (2003). "Executive functioning in autism and Asperger's syndrome: Results from the D- ...
Higher-order executive functions require the simultaneous use of multiple basic executive functions and include planning and ... These strategies support the growth of children's executive functioning skills. Yet another model of executive functions is a ... Miyake and Friedman's theory of executive functions proposes that there are three aspects of executive functions: updating, ... Rabbitt, PMA (1997). "Theory and methodology in executive function research". Methodology of frontal and executive function. ...
The Behavior Rating Inventory of Executive Function (BRIEF) is an assessment of executive function behaviors at home and at ... "disorder of executive function" but rather suggest a higher level of dysfunction in a specific domain of executive functions. ... By design, the BRIEF is intended to provide a standardized method of asking multiple raters about executive functions in daily ... Because it is not disorder-specific, the BRIEF may be used to assess executive function behaviors in children and adolescents ...
It begins with Chapter XV ("The Executive Functions," pages 215-234) and Chapter XVI ("The Executive Process," pages 235-257). ... the executive's role as a teacher).: 156-157 The Functions of the Executive was to be the only book that Barnard ever wrote; ... The Functions of the Executive. Cambridge, MA: Harvard University Press. OCLC 555075. Barnard, Chester I. (1968). The Functions ... The Functions of the Executive is a book by Chester I. Barnard (1886-1961) that presents a "theory of cooperation and ...
Executive functions (EFs) are cognitive processes that make a person pay attention or concentrate on a task. Three executive ... Vaughan, Leslie; Giovanello, Kelly (2010). "Executive function in daily life: Age-related influences of executive processes on ... therefore those with low WMC have a lower updating executive function ability. That means a low performing updating executive ... The inhibiting executive function controls attention and thought. The failure of cognitive inhibition is a direct cause of mind ...
... executive function; semantic dementia; and psychogenic amnesia, particularly the nature of amnesia for offences. From 1989 to ...
Some of the latest imaging research on frontal cortex areas suggests that executive functions may be more discrete than was ... Gilbert S.J., Burgess P.W. (2008). "Executive Function". Current Biology. 18 (3): 110-114. doi:10.1016/j.cub.2007.12.014. PMID ... The frontal lobe plays a key role in executive functions such as motivation, planning, social behaviour, and speech production ... The dorsolateral part of the frontal lobe is concerned with planning, strategy formation, and other executive functions. The ...
... and executive function. They stated, "[T]he self can free its actions from being determined by particular influences, ... James Rest reviewed the literature on moral functioning and identified at least four components necessary for a moral behavior ... In 2004, D. Lapsley and D. Narvaez outlined how social cognition explains aspects of moral functioning. Their social cognitive ... Krebs, Dennis L.; Denton, Kathy; Wark, Gillian (June 1997). "The Forms and Functions of Real-life Moral Decision-making". ...
... may have greater executive control and experience other cognitive benefits than their monolingual peers. Executive function may ... Executive function is the group of high-level cognitive processes that assists in goal-oriented tasks, such as problem solving ... For example, a test that is widely used to assess this executive function is the Stroop task, where the word for a color is ... "Executive Function & Self-Regulation". Center on the Developing Child at Harvard University. Retrieved 2022-11-17. Bialystok, ...
"Executive Function - Play Attention". www.playattention.com. Retrieved 14 November 2019. Horne-Moyer, H. Lynn; Moyer, Brian H ...
"Executive Function Fact Sheet". National Center for Learning Disabilities and WETA-TV. 2005. Archived from the original on ... The term cognitive flexibility is traditionally used to refer to one of the executive functions. In this sense, it can be seen ... The development of executive function in childhood". Current Directions in Psychological Science. 7 (4): 121-126. doi:10.1111/ ... Executive functioning includes other aspects of cognition, including inhibition, memory, emotional stability, planning, and ...
"Funcion Ejecutiva" [Executive Function]. Registro Oficial de Ecuador (in Spanish). Government of Ecuador (402). November 22, ... "Funcion Ejecutiva" [Executive Function]. Registro Oficial de Ecuador (in Spanish). Government of Ecuador (9). January 26, 2007 ... "Funcion Ejecutiva" [Executive Function]. Registro Oficial de Ecuador (in Spanish). Government of Ecuador (404). November 24, ...
"Executive Function with Laurie Zierer". "State Humanities Council Revenues". "A Brief History of PHC". "PHC Initiatives". " ... The Executive Director is Laurie Zierer. The earliest state councils were organized in 1971, when Pennsylvania's council was ...
... and/or executive function disorder. The Gateway School of New York was established in 1965 by Elizabeth Freidus and Claire Flom ...
January 1997). "Executive function in multiple sclerosis. The role of frontal lobe pathology". Brain. 120 (1): 15-26. doi: ...
Diamond, A. (May 1997). Executive functions: Developmental perspective. Executive Function and Developmental Psychopathology. ... ADHD is commonly linked to "core" deficits involving "executive function," "delay aversion," or "activation/arousal" theories ... Both sorts of interventions are aimed at improving executive functioning and self-control capacities, with different ... Hofmann, Wilhelm; Schmeichel, Brandon J.; Baddeley, Alan D. (2012). "Executive functions and self-regulation". Trends in ...
Blair, C. (2016). Developmental science and executive function. Current Directions in Psychological Science, 25, 3-7. "Clancy ... Integrating cognition and emotion in a neurobiological conceptualization of child functioning at school entry. American ...
... executive function, and visuospatial function. These fluctuating impairments are present early in the course of the disease. ... Problems with executive function surface in activities requiring planning and organizing. Deficits can manifest in impaired job ... Executive function describes attentional and behavioral controls, memory and cognitive flexibility that aid problem solving and ... Diamond A (2013). "Executive functions". Annual Review of Psychology. 64: 135-168. doi:10.1146/annurev-psych-113011-143750. PMC ...
As an executive function, it is a cognitive process that is necessary for regulating one's behavior in order to achieve ... Diamond A (2013). "Executive functions". Annual Review of Psychology. 64: 135-68. doi:10.1146/annurev-psych-113011-143750. PMC ... Depressants, such as alcohol, inhibit self-control through sluggishness, slower brain function, poor concentration, depression ... in order to get in the proper state of mind for a certain event or function. Additionally, considering an activity either as " ...
Executive function, the cognitive control of behavior, depends on the prefrontal cortex, which is highly developed in higher ... Executive functions are strategic in nature and depend on higher-order cognitive processes that underpin planning, sustained ... Diamond A (2013). "Executive functions". Annu Rev Psychol. 64: 135-168. doi:10.1146/annurev-psych-113011-143750. PMC 4084861. ... In young adults, working memory updating is the main executive function shown to benefit from regular exercise, but cross- ...
The brain is responsible for cognition, which functions through numerous processes and executive functions. Executive functions ... Higher order executive functions require the simultaneous use of multiple basic executive functions, and include planning, ... The Physiology of Executive Functioning". In Goldstein, S.; Naglieri, J. (eds.). Handbook of Executive Functioning. New York: ... Figure 4: Executive functions and related terms Archived May 9, 2018, at the Wayback Machine Hyun, J.C.; Weyandt, L.L.; ...
ISBN 978-0-07-148127-4. • Executive function, the cognitive control of behavior, depends on the prefrontal cortex, which is ... ISBN 0-521-58325-X. Diamond A (2013). "Executive functions". Annu Rev Psychol. 64: 135-168. doi:10.1146/annurev-psych-113011- ... The pancreas has both an endocrine and a digestive exocrine function. As an endocrine gland, it functions mostly to regulate ... ADHD can be conceptualized as a disorder of executive function; specifically, ADHD is characterized by reduced ability to exert ...
Beneficial chronic effects of cardio exercise were found on various functions as well, including executive functions, attention ... The executive function impairments that occur in ADHD individuals result in problems with staying organised, time keeping, ... Diamond A (2013). "Executive functions". Annual Review of Psychology. 64: 135-168. doi:10.1146/annurev-psych-113011-143750. PMC ... The symptoms of ADHD arise from a deficiency in certain executive functions (e.g., attentional control, inhibitory control, and ...
A reciprocal relationship between exercise and executive functions has also been noted: improvements in executive control ... In terms of cognitive functioning, acute exercise primarily enhances executive functions dependent on the prefrontal cortex ... exercise may briefly aid children's executive function and also influence more lasting improvements to executive function. ... executive function (12 studies), memory (four studies) and processing speed (seven studies). ... In studies of executive ...
The PFC has been found to be active in a variety of tasks that require executive functions. This has led some researchers to ... Osaka N, Osaka M, Kondo H, Morishita M, Fukuyama H, Shibasaki H (February 2004). "The neural basis of executive function in ... Collette F, Hogge M, Salmon E, Van der Linden M (April 2006). "Exploration of the neural substrates of executive functioning by ... Other authors interpret the activity in parietal cortex as reflecting executive functions, because the same area is also ...
Best, J. R., Miller, P. H., & Naglieri, J. A. (2011). Relations between executive function and academic achievement from ages 5 ... Best, J. R., & Miller, P. H. (2010). A developmental perspective on executive function. Child Development, 81(6), 1641-1660. ... Executive functions after age 5: Changes and correlates. Developmental Review, 29(3), 180-200. ...
The prefrontal lobe in humans has been associated both with metacognitive executive functions and emotional executive functions ... or executive function deficit, is a disruption to the efficacy of the executive functions, which is a group of cognitive ... and therefore provide a clearer index of executive function. Throughout this task, some of the executive function skills that ... with their performance used as a measure of executive function. The tests included assessments of: executive functions (self- ...
ISBN 978-1-84169-456-6. Delis, D.C.; Kramer, J.H. & Kaplan, E. (2001). The Delis-Kaplan Executive Function System. San Antonio ... and The Delis-Kaplan Executive Function System (D-KEFS), a refined and expanded selection of tasks from the widely used ... Kaplan helped develop a new method of assessing brain function with neuropsychological assessment, called "The Boston Process ... Kaplan, Edith Boll, Thomas (Ed); Bryant, Brenda K. (Ed). (1988). Clinical neuropsychology and brain function: Research, ...
... two weaknesses are that executive function is hard to measure and that executive function deficits have not been found in young ... O'Hearn K, Asato M, Ordaz S, Luna B (2008). "Neurodevelopment and executive function in autism". Dev Psychopathol. 20 (4): 1103 ... The second category focuses on nonsocial or general processing: the executive functions such as working memory, planning, ... evidence from an FMRI study of an executive function task and corpus callosum morphometry". Cereb Cortex. 17 (4): 951-61. doi: ...
Dangel, Stephanie A. J. (1990). "Is Prosecution a Core Executive Function? Morrison v. Olson and the Framers' Intent". Yale Law ... Olson argued that the Office of the Independent Counsel took executive powers away from the office of the President of the ... Morrison in turn argued that her position was necessary in order to prevent abuses by the executive branch, which historically ... Instead, even though the President (an executive office) cannot fire Independent Counsel, he still counts as an officer of the ...
The Delis-Kaplan Executive Function System (D-KEFS) is a neuropsychological test used to measure a variety of verbal and ... Donnelly JF, Carte E, Kramer JH, Zupan B, Hinshaw S (2001). "Executive functioning in girls with subtypes of ADHD". Journal of ... Baldo JV, Delis DC, Kaplan E (2003). "Role of executive functions in language: Evidence from a new verbal reasoning test". ... Kleinhans NM, Akshoomoff NA, Courchesne E (2003). "Executive functioning in autism and Aspergers syndrome: Results from the D- ...
Accommodation Solutions for Individuals with Executive Functioning Deficits ... Executive functions also keep us from behaving in inappropriate ways. People with poor executive functions have difficulty ... The term executive function describes a set of cognitive abilities that include the ability to plan, organize and strategize, ... People with poor executive functions will often have problems interacting with others and fitting in socially. ...
It is a term closely related to executive functions, which is the topic of this months CCEI Newsletter. Essentially, self- ...
... have found significant evidence that executive function skills can affect reading comprehension. While executive function ... executive function challenges by explaining how we read and what is different in the brains of those with executive function ... Neurobiological Foundations of Executive Functions and Implications for Reading and Writing. Presented at The Dyslexia ... Debbie Tracht is a literacy specialist and a certified ADHD/executive function coach and consultant in Middlebury, Vermont. She ...
Children who decide for themselves how to spend their time have more highly-developed executive function, according to a study. ... Study: Too Many Structured Activities May Hinder Childrens Executive Functioning By Ellen Wexler - July 02, 2014 3 min read ... Self-directed executive function develops mostly during childhood, the researchers write, and it includes any mental processes ... Children with higher executive function will be healthier, wealthier, and more socially stable throughout their lives. ...
Underdeveloped executive functioning in our students has a domino effect that leads to academic challenges and higher needs for ... Executive functioning skills arent inherent for maturing preteen and high school students, and the added challenges theyre ... While executive functioning skills arent innate and arent taught in one explicit lesson, theyre foundational for the ... But where are the opportunities for students to build executive functioning skills? To what subject does that learning belong? ...
She needs good instruction in programs/strategies that are scientifically based to help strengthen her executive function and ... My daughters executive function skills and processing speed are in the 1st percentile. She is far below grade level in math. ... More Information about Executive Functioning. How Does Executive Function Affect Learning? Learn the warning signs of executive ... Executive Skills in Children and Adolescents. If the evaluation talks about problems with executive function you should read ...
The Center on the Developing Child (CDC) at Harvard offers many resources about executive function and building core skills, ... My Teen Struggles with Executive Function. Here are five things his coach did to help ... She started putting executive functioning strategies into practice with her students and seeing positive results. ... A guide to understanding executive function * Advice on building executive function skills in adolescents ...
Executive Dysfunction. Whats the Link Between Executive Functions and ADHD?. Can you explain how executive functions relate ... Executive Dysfunction Test: Symptoms in Adults with ADHD. Executive function deficit is not synonymous with ADHD, but its ... Teen jobs build self-esteem, executive functions, and skills - if part-time employees... ... High-IQ adults with ADHD seem to function well, but it comes at a high emotional cost.... ...
The study uses functional MRI of brain areas associated with executive function, adjusting for socioeconomic factors. ... MRI brain imaging reveals a possible biological link between early musical training and improved executive functioning in both ... "Since executive functioning is a strong predictor of academic achievement, even more than IQ, we think our findings have strong ... The study uses functional MRI of brain areas associated with executive function, adjusting for socioeconomic factors. Share:. ...
Executive Functions: What are they, definition, examples, dysexecutive syndrome and problems related to EF deficiencies. Learn ... What are Executive Functions?. Executive functions are the set of cognitive skills necessary for controlling and self- ... A problem with executive functions could also alter the proper regulation of cognitive processes. Poor executive functions may ... Identify and assess alterations or deficits in executive functions. *. Stimulate and improve your executive function and other ...
Executive Functions: What are they, definition, examples, dysexecutive syndrome and problems related to EF deficiencies. Learn ... What are Executive Functions?. Executive functions are the set of cognitive skills necessary for controlling and self- ... A problem with executive functions could also alter the proper regulation of cognitive processes. Poor executive functions may ... Identify and assess alterations or deficits in executive functions. *. Stimulate and improve your executive function and other ...
Tag: executive function. Bacon-2012-visuospatial. Visuospatial memory in dyslexia: Evidence for strategic deficits (2012 - ... Readers Recruit Executive Functions to Self-Correct Miscues during Oral Reading Fluency (2020 - Journal Article) (Tin Q Nguyen ... Executive functions for reading and writing in typical literacy development and dyslexia. (2008 - Journal Article) (Leah E ... A Multifactorial Model of Dyslexia: Evidence from Executive Functions and Phonological‐based Treatments (2020 - Journal Article ...
Executive functioning is critical to students success, and schools play a key role in helping students develop those skills. ... Executive function overview. Executive functions, or EFs, are considered "higher-order" brain functions that can initiate, ... Fostering a culture that promotes executive functioning. Supporting and developing critical executive function skills involves ... the executive functions will allow students to act in a goal-directed manner. Students with low executive functioning are ...
This study investigated executive functions in fibromyalgia via a Go/No-Go task. To obtain comprehensive information about ... may complement speed and accuracy parameters in the assessment of executive function impairments in fibromyalgia. Optimized ... Increased tau in fibromyalgia indicates greater fluctuations in executive control and more frequent temporary lapses of ... in particular those derived from the ex-Gaussian function, ... and SD of the exponential function. Patients exhibited a lower ...
Executive functions (EFs) are cognitive processes that are used to effortfully self-regulate behaviour and might be important ... Differences in executive functions scores across owner and dog demographics. Owner gender did not influence the dogs scores on ... Foraita, M., Howell, T. & Bennett, P. Development of the dog executive function scale (DEFS) for adult dogs. Anim Cogn 25, 1479 ... Executive functions (EFs) are cognitive processes that are used to effortfully self-regulate behaviour and might be important ...
These mental activities are unified under the term executive functions. ... there has been considerable progress in understanding the functions of the prefrontal cortex of the brain and its regulation of ... These mental activities are unified under the term executive functions.. Executive functions are thought to enable a person to ... Executive functions are thus a collection of varying abilities that involve regulatory control over thought and behavior in the ...
Executive Functioning in Children.. In: Hupp, S and Jewell, J. D. eds. The Encyclopedia of Child and Adolescent Development., ...
In each wave executive function was assessed using a verbal fluency test and a letter cancelation task and participants ... In each wave executive function was assessed using a verbal fluency test and a letter cancellation task and participants ... Importantly, poor executive function predicted reductions in physical activity over time. This association was found to be over ... However, it is unclear whether high levels of executive function lead people to be more active. This study uses a large sample ...
... decline in working memory and executive function among older adults in the United Kingdom during the first year of the COVID-19 ... In the first year of the COVID-19, there was a significant drop in working memory and executive function in older individuals, ... Cite this: Pandemic Linked to a Dramatic Drop in Working Memory, Executive Function - Medscape - Nov 13, 2023. ... the declines persisted for the remaining cohort for executive function (effect size, 0.15; P , .0001) and working memory ( ...
Research projectsExecutive function and internalizing problems in adolescents with and without developmental coordination ... Executive function and internalizing problems in adolescents with and without developmental coordination disorder. ...
However, the neural mechanism of executive function in young children is still unclear. This article reviews recent near- ... There are several subcomponents of executive function, such as inhibition, cognitive shifting, and working memory. Extensive ... Developmental studies have reported behavioral evidence showing that executive function changes significantly during preschool ... infrared spectroscopy (NIRS) research that examined the relationship between the development of executive function and the ...
All the latest news about executive functioning from Medical Xpress ... Loss of executive function with aging can make learning new skills hard. Technology is designed to make life easier and more ... Golf, walking and Nordic walking may enhance cognitive function in older adults. Playing a single 18-hole round of golf or ... completing 6 km of either Nordic walking or regular walking may significantly improve immediate cognitive function in older ...
a) All Executive departments and agencies may issue such rules and regulations as may be necessary to carry out the functions ... 2. Executive Office Responsibilities.. (a) Wartime Emergency Functions. (1) The National Security Council shall provide policy ... Ronald Reagan, Executive Order 12472-Assignment of National Security and Emergency Preparedness Telecommunications Functions ... Executive Order 12472-Assignment of National Security and Emergency Preparedness Telecommunications Functions. ...
Parents League of New York is a 501(c)(3) non-profit. © ...
... is an empirically based tool for evaluating dimensions of adult executive functioning in daily life. Evidence indicates that ... The Barkley Deficits in Executive Functioning Scale (BDEFS for Adults) ... Barkley Deficits in Executive Functioning Scale (BDEFS for Adults) Russell A. Barkley ... Barkley Deficits in Executive Functioning Scale (BDEFS for Adults). Russell A. Barkley. A Paperback Original ...
... and executive functioning. Understanding these theories can help families and educators manage challenging behaviors at home ... Executive Functioning Disorder. An additional theory that explains the deficits in ASD is the executive functioning disorder ... Ozonoff, S., Pennington, B. F., & Rogers, S. J. (1991). Executive function deficits in high functioning autistic individuals: ... Solving Executive Function Challenges: Simply Ways to Get Kids with Autism Unstuck and on Target (opens in a new window) by ...
... "executive functions" of the brain. The Center on the Developing Child at Harvard University compares executive functions to air ... The website of the Center on the Developing Child has a 16-page guide about ways to help children learn executive function. ...
CIO only executive exchange events and local IT symposiums. ... EFM Events hosts three types of executive IT events: regional ... EXECUTIVE. The Executive Exchange is the sister event to the EFM IT Symposium Series. ITs a 4-hour collaboration and ... If you are looking for a specific type of event (Executive Exchange vs. Conference use the Category drop-down) ... Weve spent over 20 years developing personal relationships with thousands of executives that rely on our team to consistently ...
... In: Frontiers in Human Neuroscience, Vol. 6, 166 [PDF, ... As for the other executive functions, trained participants improved in a task switching situation and in attentional processing ... they show that the training effects can generalize to various other tasks tapping on executive functions. ... This is most likely due to the heterogeneity of cognitive functions that have been measured and tasks that have been applied. ...
  • The D-KEFS also helps determine how deficits in higher order thinking may impact an individual's functioning. (wikipedia.org)
  • Executive function deficits can be found in individuals with mental health impairments including depression, obsessive-compulsive disorder, post-traumatic stress disorder, and schizophrenia, as well as individuals with attention deficit disorder, attention deficit/hyperactivity disorder, intellectual and learning disabilities, autism, and brain injuries. (askjan.org)
  • The following is an overview of some of the job accommodations that might be useful for individuals with executive functioning deficits. (askjan.org)
  • Executive functions are essential for the control of most behaviors, and deficits therein may greatly impede activities of daily life. (hindawi.com)
  • The Barkley Deficits in Executive Functioning Scale (BDEFS for Adults) is an empirically based tool for evaluating dimensions of adult executive functioning in daily life. (guilford.com)
  • These may be attributable, in part, to central executive deficits that are due to frontal lobe damage associated with Ecstasy use. (erowid.org)
  • These techniques aim at instrumentalizing the patient to face conflicts, developing some important functions such as: attention, planning and problem solving, directly related to executive functions, which are precarious in patients who present with attention deficits. (bvsalud.org)
  • The Delis-Kaplan Executive Function System (D-KEFS) is a neuropsychological test used to measure a variety of verbal and nonverbal executive functions for both children and adults (ages 8-89 years). (wikipedia.org)
  • High-IQ adults with ADHD seem to function well, but it comes at a high emotional cost. (additudemag.com)
  • A controlled study using functional MRI brain imaging reveals a possible biological link between early musical training and improved executive functioning in both children and adults, report researchers. (sciencedaily.com)
  • Our results may also have implications for children and adults who are struggling with executive functioning, such as children with ADHD or [the] elderly," says Gaab. (sciencedaily.com)
  • Three main factors that impact the likelihood of students developing executive function skills at school are positive relationships with adults, experiences that foster social connections, and safe, nurturing environments that promote creativity, exploration, and exercise. (eschoolnews.com)
  • This is the first study to identify evidence for a robust bidirectional link between executive function and physical activity in a large sample of older adults tracked over time. (frontiersin.org)
  • This study examines whether engaging in physical activity attenuates declines in higher level cognitive function (executive functioning) over a period of 6 years in older English adults. (frontiersin.org)
  • As the contribution of executive functioning to physical activity has not yet been established in large scale prospective studies, this study also aimed to test this pathway in a sample of more than four thousand older English adults. (frontiersin.org)
  • An Edge Coach is a life coach who is specialized in helping people, including teens, college students, graduate students, and adults (both in school and in the workplace) who have unique executive functioning challenges that can come from ADHD, adverse childhood experiences and normal developmental issues. (edgefoundation.org)
  • Our Edge Coaches specialize in Executive Function challenges, but they also have deep experience in career development for high schoolers, college, and adults in transition in the workplace or wanting to move to the next level. (edgefoundation.org)
  • High functioning older adults with ASD reported EF-impairments in metacognition, but did not deviate in EF task performance, except for a longer execution time of the Tower of London. (springer.com)
  • Neuropsychological functioning in adults with Asperger syndrome. (springer.com)
  • Standard measures of executive function in predicting instrumental activities of daily living in older adults. (springer.com)
  • Central coherence and cognitive shifting in relation to social improvement in high-functioning young adults with autism. (springer.com)
  • A combined clinical, neuropsychological, and neuroanatomical study of adults with high functioning autism. (springer.com)
  • Executive functioning differences between adults with attention deficit hyperactivity disorder and autistic spectrum disorder in initiation, planning and strategy formation. (springer.com)
  • When students struggle with executive functioning, it can make school and home especially challenging for children, and also the adults who love them. (mcleanschool.org)
  • In the present study, we investigated in 18,769 Swedish adults (mean age: 61 y) the association between executive function, diabetes, and self-reported sleep duration. (lu.se)
  • These findings suggest that the association between sleep duration and executive function differs between diabetic and non-diabetic middle-aged and older adults. (lu.se)
  • Executive function deficit is not synonymous with ADHD, but its symptoms overlap in. (additudemag.com)
  • Menopause and ADHD - both associated with impaired cognitive functioning and emotional. (additudemag.com)
  • What's the Link Between Executive Functions and ADHD? (additudemag.com)
  • Can you explain how executive functions relate to ADHD? (additudemag.com)
  • Coaching is particularly well-suited to helping people with Executive Function challenges that come from ADHD or adverse childhood experiences, so they can live better and build on the strengths that come with their neurological differences. (edgefoundation.org)
  • The aim of this study was to assess the feasibility, acceptability, and preliminary efficacy of mindfulness meditation for ADHD, executive functioning (EF), and emotion dysregulation symptoms in an adult ADHD sample. (nih.gov)
  • That's why I love the new view that is being talked about more and more: ADHD as a problem with Executive Functions . (totallyadd.com)
  • People with ADHD often suffer from a variety of executive function deficiencies that can affect their daily lives. (icgi.org)
  • In this article, we'll explore some of the executive function deficiencies associated with ADHD and how to overcome them. (icgi.org)
  • Executive function deficiencies are a group of skills that are lacking or underdeveloped in individuals with ADHD. (icgi.org)
  • What are the Common Executive Function Deficiencies Associated with ADHD? (icgi.org)
  • How can Executive Function Deficiencies Affect a Person with ADHD? (icgi.org)
  • People with ADHD often have trouble shapes how the brain develops and functions. (medlineplus.gov)
  • Some research suggests that people with ADHD have differences in the structure and function of their brains. (medlineplus.gov)
  • This is responsible for executive functions: such as planning, organizing, to differences in what ADHD symptoms look like in boys and paying attention. (medlineplus.gov)
  • This study tests the factor structure, measurement invariance, and correlates of the Childhood Executive Functioning Inventory (CHEXI) with a large and diverse sample of 3- to 5-year-olds (n=844). (rti.org)
  • Self-directed executive function develops mostly during childhood, the researchers write, and it includes any mental processes that help us work toward achieving goals-like planning, decision making, manipulating information, switching between tasks, and inhibiting unwanted thoughts and feelings. (edweek.org)
  • Executive functions, or EFs, are considered "higher-order" brain functions that can initiate, break down, and follow through on multi-step tasks. (eschoolnews.com)
  • Executive function skills help our brains prioritize tasks, filter distractions, and control impulses. (eschoolnews.com)
  • Exercisers experienced greater improvements ( g = 0.478, SE = 0.029) in their performance on cognitive function tasks compared to control group participants ( g = 0.164, SE = 0.028). (frontiersin.org)
  • This is most likely due to the heterogeneity of cognitive functions that have been measured and tasks that have been applied. (uni-muenchen.de)
  • These results, there fore, confirm previous findings that WM can be trained, and additionally, they show that the training effects can generalize to various other tasks tapping on executive functions. (uni-muenchen.de)
  • Within this body of work, several studies have provided evidence in support to the hypothesis that bilingualism enhances executive control, a set of brain and cognitive processes that include inhibition (the ability to inhibit irrelevant information), working memory (the ability to simultaneously hold and manipulate information in mind) and switching (the skill to flexibly switch between different tasks). (europa.eu)
  • Finally, correlations between CHEXI scores, examiner reports of child behavior, and child performance on a battery of executive function (EF) tasks were investigated. (rti.org)
  • Clinical assessment of executive function in preschool-age children is challenging given limited availability of standardized tasks and preschoolers' variable ability to participate in lengthy formal evaluation procedures. (unl.edu)
  • We all have strengths and weaknesses in executive functioning (EF) - those mental processes that help us to plan, organize, process multiple tasks, remember instructions, control impulses, and work towards a goal. (bcparent.ca)
  • Individuals who struggle with executive functioning skills often fail to create a well-organized schedule. (eblcoaching.com)
  • For the first time, this study demonstrated that indices of RT variability, in particular those derived from the ex-Gaussian function, may complement speed and accuracy parameters in the assessment of executive function impairments in fibromyalgia. (hindawi.com)
  • On cognitive testing, adult musicians and musically trained children showed enhanced performance on several aspects of executive functioning. (sciencedaily.com)
  • The aim of this study was to develop a dog executive function scale (DEFS) for adult dogs. (springer.com)
  • People with poor executive functions have difficulty monitoring and regulating their behaviors. (askjan.org)
  • Executive functions are the high-level cognitive processes that enable people to quickly process and retain information, regulate their behaviors, make good choices, solve problems, plan and adjust to changing mental demands. (sciencedaily.com)
  • The executive functions, in particular, may enable people to consistently engage in effortful behaviors like physical activity in order to achieve long-term health benefits ( Hall and Fong, 2007 ). (frontiersin.org)
  • Such rating-scale methodology may be a useful complementary tool by which to reliably assess executive functions in preschool children via everyday behaviors in the natural environment. (unl.edu)
  • In this role, she provides training on best practices in executive functioning to students, teachers, and tutors. (eschoolnews.com)
  • For E. Goldberg, one of the disciples of the great teacher of neuropsychology, Alexander R. Luria, executive functions are intimately related with the integrity of the frontal lobes, to which he refers to as the "lobes of human civilization" ( Goldberg, 2001 ). (scirp.org)
  • At the end of the week, the researchers tested the children on skills like vocabulary and verbal fluency to measure their executive function. (edweek.org)
  • In each wave executive function was assessed using a verbal fluency test and a letter cancelation task and participants reported their physical activity levels. (frontiersin.org)
  • In study 2 a different group of 30 regular Ecstasy users and 37 Ecstasy-free controls was assessed on the PMQ and on a central executive task comprising verbal fluency measures. (erowid.org)
  • The Animal Fluency test examines categorical verbal fluency, a component of executive function (9). (cdc.gov)
  • As the name suggests, executive functions are high-level mental processes or abilities that influence and direct more basic abilities like attention and memory. (askjan.org)
  • The term executive function describes a set of cognitive abilities that include the ability to plan, organize and strategize, pay attention to and remember details, start and stop actions, and form concepts and think abstractly. (askjan.org)
  • While it's already clear that musical training relates to cognitive abilities, few previous studies have looked at its effects on executive functions specifically. (sciencedaily.com)
  • The researchers note that children who study music may already have executive functioning abilities that somehow attract them to music and predispose them to stick with their lessons. (sciencedaily.com)
  • The term executive functions refer to complex cognitive abilities that enable the regulation, coordination, and sequencing of basic mental operations [ 11 , 12 ]. (hindawi.com)
  • Executive function deficiencies refer to a group of skills and abilities that are crucial for success in life activities. (icgi.org)
  • Researchers such as Laurie Cutting from Vanderbilt University and Kelly Cartwright, author of the book Executive Skills and Reading Comprehension: A Guide for Educators, have found significant evidence that executive function skills can affect reading comprehension. (chadd.org)
  • On the positive note, there is evidence that life-style changes and improved health management can positively influence mental functioning," study co-author Dag Aarsland, MD, PhD, professor of old-age psychiatry at King's College London Institute, England, said in a press release . (medscape.com)
  • Growing evidence supports the benefit of moderated physical activity on executive function [18] . (researchgate.net)
  • The autism-spectrum quotient (AQ): Evidence from asperger syndrome/high-functioning autism, malesand females, scientists and mathematicians. (springer.com)
  • There is evidence in the specialized literature that the application of these techniques suggests gains in the development of executive functions. (bvsalud.org)
  • There is evidence that prenatal exposure to individual chemicals may adversely impact executive functions in children, but few studies have explored the association of co-exposure to multiple chemicals with cognitive flexibility specifically among adolescents. (cdc.gov)
  • In turn, one's performance can be used to develop coping strategies and rehabilitation programs tailored towards individual's profile of strengths and weaknesses in executive functions. (wikipedia.org)
  • Given the benefits of ecological validity of measuring behavior by rating scales, the Behavior Rating Inventory of Executive Function (Gioia, Isquith, Guy, & Kenworthy, 2000) was modified for use with children ages 2 through 5 years to assess executive functions in an everyday context. (unl.edu)
  • Executive Skills in Children and Adolescents. (wrightslaw.com)
  • Ice Cream: new virtual reality tool for the assessment of executive functions in children and adolescents: a normative study. (bvsalud.org)
  • Obtained normative data are relevant for evaluating executive functions in children and adolescents in a more ecological way. (bvsalud.org)
  • Learn how can you use the executive function framework to understand your child's strengths and struggles. (wrightslaw.com)
  • While executive function skills differ in each individual and overlap across a spectrum, the core EF skills of self-regulation, working memory, and cognitive flexibility have substantial impact on reading. (chadd.org)
  • My daughter's executive function skills and processing speed are in the 1st percentile. (wrightslaw.com)
  • She needs good instruction in programs/strategies that are scientifically based to help strengthen her executive function and math skills. (wrightslaw.com)
  • Executive function skills encompass many areas. (wrightslaw.com)
  • Your daughter's math skills will also be helped by improving her executive function skills. (wrightslaw.com)
  • You said evaluation results showed your daughter's executive function skills and processing speed were in the 1st percentile. (wrightslaw.com)
  • This entry was posted in Tests & Assessments and tagged Evaluation results and recommendations , Evaluations , Executive function , Math skills , Research Based Instruction by Wrightslaw . (wrightslaw.com)
  • Middle and high school teachers can build activities that foster students' executive functioning skills into their daily routines. (edutopia.org)
  • But where are the opportunities for students to build executive functioning skills? (edutopia.org)
  • Executive functioning skills aren't inherent for maturing preteen and high school students, and the added challenges they're facing further disrupt their ability to build these skills. (edutopia.org)
  • While executive functioning skills aren't innate and aren't taught in one explicit lesson, they're foundational for the academic and personal success of our students. (edutopia.org)
  • Teen jobs build self-esteem, executive functions, and skills - if part-time employees. (additudemag.com)
  • Executive functions are the set of cognitive skills necessary for controlling and self-regulating your behavior . (cognifit.com)
  • What cognitive skills make up our executive functions? (cognifit.com)
  • While there is some discussion as to what executive functions are, there is a general consensus about which skills make up our cognitive functions. (cognifit.com)
  • Wittner, along with Renaud Boisjoly, CEO of Studyo, identified and provided valuable strategies for supporting students as they navigate these unprecedented and challenging times with executive functioning skills. (eschoolnews.com)
  • Supporting and developing critical executive function skills involves the entire school community. (eschoolnews.com)
  • It is essential for educators to teach executive function skills during the school day and model planning and study skills so students can generalize these skills and take agency and ownership of these skills themselves. (eschoolnews.com)
  • The presenters recommend teaching executive function skills and strategies at an early age as this can decrease anxiety and result in overall competence as a learner that will ensure success in college and beyond. (eschoolnews.com)
  • Executive functions are important for academic success, social interaction, and independent living skills. (icgi.org)
  • Executive function skills help us plan, prioritize, organize and follow through, all while regulating our emotions. (mcleanschool.org)
  • But the development of competency in executive functioning skills takes time and can be supported at home, as well. (mcleanschool.org)
  • When children struggle in these areas, it is often a sign of issues with executive functioning skills. (eblcoaching.com)
  • The following are some strategies that you can use to help your child with autism build stronger executive functioning skills. (eblcoaching.com)
  • Read more at How to Build Executive Functioning Skills With Homework - EBL Coaching . (eblcoaching.com)
  • Poor organizational skills are a common characteristic of executive functioning challenges. (eblcoaching.com)
  • Playing games is a fun way to improve executive functioning skills that can involve the whole family. (eblcoaching.com)
  • Thinking about strategies and the best way to proceed can help improve executive functioning skills. (eblcoaching.com)
  • Playing a memory game is another great way to build attention and improve working memory skills, both of which are important aspects of executive functioning. (eblcoaching.com)
  • Executive function is defined as a set of cognitive skills that are necessary to plan, monitor, and execute a sequence of goal-directed complex actions. (lu.se)
  • After memory loss occurs, patients may also experience language disorders (eg, anomic aphasia or anomia) and impairment in their visuospatial skills and executive functions. (medscape.com)
  • As students enter upper elementary and middle school, the focus on executive function strategies declines, so students show up to high school and don't know how to take notes or study. (eschoolnews.com)
  • In longitudinal multilevel models low levels of physical activity led to subsequent declines in executive function. (frontiersin.org)
  • The purpose of this study was to compare the intellectual functioning of a sample of patients with mild traumatic brain injury, obtained by means of the Reynolds Intellectual Assessment Scales (RIAS), with their performance in a number of neuropsychological measures of executive functions, such as the Halstead Category Test (HCT), the Wisconsin Card Sorting Test (WCST), the Stroop Word and Color Test (SWCT), and the Trail Making Test (TMT). (scirp.org)
  • Stimulate neurologically-impaired clients' executive functioning with activities that use relevant content, themed around home activities and home maintenance. (proedaust.com.au)
  • Executive functions have been described as the "brain of the brain" and to include a variety of processes, including, but not limited to, abstraction, formulation of intentions, reasoning, formulation of strategies, monitoring their success, working memory, and the self-regulation of behavior. (scirp.org)
  • Friedman & Miyake (2017) described executive functions as high-level cognitive processes that, through their influence on lower-level processes, allow individuals to regulate their thoughts and actions during behavior aimed at the attainment of goals. (scirp.org)
  • Within the model of executive functions developed by Goldberg (2009) , executive functions include a series of high-level cognitive processes designed to facilitate the independent attainment of behavioral goals. (scirp.org)
  • In the first year of the COVID-19, there was a significant drop in working memory and executive function in older individuals, which is linked to known dementia risk factors including increased alcohol use and a more sedentary lifestyle. (medscape.com)
  • Early in the course of AD, patients may have preserved insight into the course of their ailment with preserved social and occupational functioning. (medscape.com)
  • Patients with mild AD usually have somewhat less obvious executive, language, and/or visuospatial dysfunction. (medscape.com)
  • Performance history included mild depression treated with a selective on most memory tests and tests of executive function serotonin reuptake inhibitor. (cdc.gov)
  • Scores have been shown to discriminate between persons with normal cognitive functioning compared with those with mild cognitive impairment and more severe forms of cognitive impairment, such as Alzheimer's disease (10-12). (cdc.gov)
  • mild cognitive impairment is now sometimes defined as impairment in memory and/or other cognitive functions that is not severe enough to affect daily function. (msdmanuals.com)
  • Further studies are needed to determine sensitivity and specificity of Ice Cream VR test to measure executive functions in different clinical populations . (bvsalud.org)
  • Although cognitive assessments cannot replace a diagnosis based on a clinical examination, they are useful to examine the association of cognitive functioning with the many medical conditions and risk factors measured during the NHANES examination. (cdc.gov)
  • Age-related differences in supervisory attentional system functions. (springer.com)
  • Executive functioning and processing speed in age-related differences in memory: Contribution of a coding task. (springer.com)
  • Neurodevelopmental and executive function and dysfunction. (medlineplus.gov)
  • She started putting executive functioning strategies into practice with her students and seeing positive results. (harvard.edu)
  • Executive functions can be trained and improved with practice and cognitive training. (cognifit.com)
  • That is, it's possible that children with better executive functioning may prefer to participate in less-structured activities more often, they write, while children with worse executive functioning may be more likely to seek out activities already structured for them. (edweek.org)
  • This ratio is a measure of executive function where higher values indicate worse performance. (lu.se)
  • The study uses functional MRI of brain areas associated with executive function, adjusting for socioeconomic factors. (sciencedaily.com)
  • The study, appearing online June 17 in the journal PLOS ONE , uses functional MRI of brain areas associated with executive function, adjusting for socioeconomic factors. (sciencedaily.com)
  • Among these studies, results have been mixed and limited by a lack of objective brain measurements, examination of only a few aspects of executive function, lack of well-defined musical training and control groups, and inadequate adjustment for factors like socioeconomic status. (sciencedaily.com)
  • The prefrontal dorsolateral cortex, the prefrontal ventromedial cortex, the prefrontal orbitofrontal cortex, and the anterior cingulate cortex are the brain areas most related to cognitive functions. (cognifit.com)
  • The executive functions are higher level cognitive processes associated with the frontal lobe of the brain that control and co-ordinate more fundamental processes in the effortful pursuit of goals ( Alvarez and Emory, 2006 ). (frontiersin.org)
  • These processes are called the "executive functions" of the brain. (ecels-healthychildcarepa.org)
  • For Lopera-Restrepo (2008) , executive function refers to the directing, managerial, and guiding function of the brain. (scirp.org)
  • In reality, the guiding or managerial function of the brain is a series of directing functions that include a variety of programming and implementing cerebral activities. (scirp.org)
  • Recently, research on how bilingualism affects cognitive and brain functioning has seen a steep increase. (europa.eu)
  • First, at the brain level, we conducted a critical review of past research that investigated the effect of bilingualism on executive control using the Event-Related Potentials (ERP) method from cognitive neuroscience. (europa.eu)
  • The majority of these studies focused on the N2 and P3, two brain measures associated with executive control. (europa.eu)
  • Neu-ro-science itself was rel-a-tive-ly uncon-cerned with high-er-order cog-ni-tion, and the very term "cog-ni-tive neu-ro-science" was often met with rolled eyes by sci-en-tists work-ing in more estab-lished areas of brain research (a per-son-al obser-va-tion made in the 1980s and even 1990s on more than one occa-sion). (sharpbrains.com)
  • It turns out that there are parts of your brain that handle the Executive Functions. (totallyadd.com)
  • Can Virtual Reality Cognitive Rehabilitation Improve Executive Functioning and Coping Strategies in Traumatic Brain Injury? (mit.edu)
  • Brain anatomy and function. (medlineplus.gov)
  • clarification needed] However, this may not pose serious concern due to the challenges of measuring executive functions. (wikipedia.org)
  • Underdeveloped executive functioning in our students has a domino effect that leads to academic challenges and higher needs for intervention, and it ultimately necessitates more-individualized support from teachers. (edutopia.org)
  • Executive leadership teams across industries have faced extraordinary challenges in the past several years. (heidrick.com)
  • 1 In this environment, executives may struggle to slow down and take time to mull challenges over. (heidrick.com)
  • Decline in cognitive functioning has been associated with quality of life, personal relationships, and independence resulting in increased health care needs, as well as major caregiving and financial challenges (3). (cdc.gov)
  • These areas, the supplementary motor area, the pre-supplementary area and the right ventrolateral prefrontal cortex, are known to be linked to executive function. (sciencedaily.com)
  • According to patients' reports, these difficulties can significantly affect social and professional functioning and are among the most serious symptoms of the disorder [ 9 , 10 ]. (hindawi.com)
  • In a second study with a mixed sample of preschool children with various developmental disorders, parents and teachers rated these preschool children as having greater executive difficulties in most domains than matched controls. (unl.edu)
  • Whereas the magnitudes of the correlations were within the moderate range, intelligence, particularly non-verbal intelligence and working memory were noted to be significantly correlated with the measures of executive functions. (scirp.org)
  • The relationship between the constructs of intelligence and executive functions has raised the interest of neurocognitive researchers. (scirp.org)
  • So how can teachers build executive functioning supports and routines into classrooms without losing valuable lesson time? (edutopia.org)
  • In the present study, we approached this issue systematically by investigating transfer effects from WM training to different aspects of executive functioning. (uni-muenchen.de)
  • Since executive functioning is a strong predictor of academic achievement, even more than IQ, we think our findings have strong educational implications," says study senior investigator Nadine Gaab, PhD, of the Laboratories of Cognitive Neuroscience at Boston Children's. (sciencedaily.com)
  • This study investigated executive functions in fibromyalgia via a Go/No-Go task. (hindawi.com)
  • The present study is concerned with executive functions in FMS. (hindawi.com)
  • However, negative findings have also been reported, including for response inhibition tests [ 18 , 19 ] and by a study quantifying multiple executive functions [ 20 ]. (hindawi.com)
  • A 2007 study found that executive functions are more critical for school readiness than IQ or entry-level reading or math. (eschoolnews.com)
  • This study uses a large sample and multi-wave data to identify whether a reciprocal association exists between physical activity and executive function. (frontiersin.org)
  • This study focuses on the obtention of normative data for participants between 8 and 16 years old who were administered the Ice Cream test, a virtual reality tool designed to evaluate executive functions . (bvsalud.org)
  • Given sufficient time to think and answer questions, patients with this condition can usually do so, indicating intact memory and cognitive functions. (msdmanuals.com)
  • In this lesson, we will learn about executive functioning and how it helps to be more organised? (thenational.academy)
  • The three studies reported here focused on the impact of chronic Ecstasy use on prospective memory (PM), associated central executive function and other aspects of day-to-day cognition. (erowid.org)
  • With the scientific advances over the past few years,you can get an estimation of the functional integrity of these structures by assessing cognitive functions. (cognifit.com)
  • Psychologists at the University of Colorado and the University of Denver studied the schedules of 70 six-year olds , and they found that the kids who spent more time in less-structured activities had more highly-developed self-directed executive function. (edweek.org)
  • To establish that musical training influences executive function, and not the other way around, they hope to perform additional studies that follow children over time, assigning them to musical training at random. (sciencedaily.com)
  • Importantly, poor executive function predicted reductions in physical activity over time. (frontiersin.org)
  • Overcoming executive function deficiencies takes time and effort. (icgi.org)
  • Maximal inspiratory pressures and vital capacities are measurements of neuromuscular respiratory function and predict diaphragmatic strength. (medscape.com)
  • I especially appreciate Cheryl's knowledge and insights into the unique complexities people with executive functioning issues struggle with on a daily basis. (cherylsusman.com)
  • Recent studies have identified the stages of the sleep cycle across the night, and the important effects of sleep on people's daily functioning as well as our physical and mental well-being. (cdc.gov)
  • The head of department has an executive function and responsibility for daily operations. (lu.se)
  • In this context, NeuroBid aimed to closely examine the effect of bilingualism and bi-dialectalism on executive control. (europa.eu)
  • Executive functions (EFs) are cognitive processes that are used to effortfully self-regulate behaviour and might be important for dogs' success in working and pet roles. (springer.com)
  • Inhibitory control (the ability to ignore distracting information and focus on work-related information) and working memory (the ability to maintain and manipulate information for a short period are two important components of executive functions [6]. (researchgate.net)
  • This survival mentality has meant that many oil and gas executive leadership teams (ELTs) have dipped into more hands-on execution and have fallen behind on bigger-picture responsibilities. (heidrick.com)
  • Our experience-and our interviews with 18 energy executives-suggest there are seven of these main functions, across industries: vision and strategy, resource allocation, external stakeholder communication, culture, personal leadership, talent and team development and performance, and organizational accountability. (heidrick.com)
  • Executive functions are a set of mental processes that are responsible for our ability to manage ourselves and our resources effectively. (icgi.org)
  • This systematic review of executive function (EF) interventions is the largest such review thus far, including 179 studies from all over the world, reported in 193 papers. (researchgate.net)