Observable changes of expression in the face in response to emotional stimuli.
Muscles of facial expression or mimetic muscles that include the numerous muscles supplied by the facial nerve that are attached to and move the skin of the face. (From Stedman, 25th ed)
Those affective states which can be experienced and have arousing and motivational properties.
Highly pleasant emotion characterized by outward manifestations of gratification; joy.
The anterior portion of the head that includes the skin, muscles, and structures of the forehead, eyes, nose, mouth, cheeks, and jaw.
The 7th cranial nerve. The facial nerve has two parts, the larger motor root which may be called the facial nerve proper, and the smaller intermediate or sensory root. Together they provide efferent innervation to the muscles of facial expression and to the lacrimal and SALIVARY GLANDS, and convey afferent information for TASTE from the anterior two-thirds of the TONGUE and for TOUCH from the EXTERNAL EAR.
Severe or complete loss of facial muscle motor function. This condition may result from central or peripheral lesions. Damage to CNS motor pathways from the cerebral cortex to the facial nuclei in the pons leads to facial weakness that generally spares the forehead muscles. FACIAL NERVE DISEASES generally results in generalized hemifacial weakness. NEUROMUSCULAR JUNCTION DISEASES and MUSCULAR DISEASES may also cause facial paralysis or paresis.
A strong emotional feeling of displeasure aroused by being interfered with, injured or threatened.
Systematic study of the body and the use of its static and dynamic position as a means of communication.
The perceiving of attributes, characteristics, and behaviors of one's associates or social groups.
A facial expression which may denote feelings of pleasure, affection, amusement, etc.
Mental process to visually perceive a critical number of facts (the pattern), such as characters, shapes, displays, or designs.
The knowledge or perception that someone or something present has been previously encountered.
Frequency and quality of negative emotions, e.g., anger or hostility, expressed by family members or significant others, that often lead to a high relapse rate, especially in schizophrenic patients. (APA, Thesaurus of Psychological Index Terms, 7th ed)
Transmission of emotions, ideas, and attitudes between individuals in ways other than the spoken language.
Almond-shaped group of basal nuclei anterior to the INFERIOR HORN OF THE LATERAL VENTRICLE of the TEMPORAL LOBE. The amygdala is part of the limbic system.
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.
Investigative technique commonly used during ELECTROENCEPHALOGRAPHY in which a series of bright light flashes or visual patterns are used to elicit brain activity.
The affective response to an actual current external danger which subsides with the elimination of the threatening condition.
Diseases of the facial nerve or nuclei. Pontine disorders may affect the facial nuclei or nerve fascicle. The nerve may be involved intracranially, along its course through the petrous portion of the temporal bone, or along its extracranial course. Clinical manifestations include facial muscle weakness, loss of taste from the anterior tongue, hyperacusis, and decreased lacrimation.
The facial skeleton, consisting of bones situated between the cranial base and the mandibular region. While some consider the facial bones to comprise the hyoid (HYOID BONE), palatine (HARD PALATE), and zygomatic (ZYGOMA) bones, MANDIBLE, and MAXILLA, others include also the lacrimal and nasal bones, inferior nasal concha, and vomer but exclude the hyoid bone. (Jablonski, Dictionary of Dentistry, 1992, p113)
The selecting and organizing of visual stimuli based on the individual's past experience.
General or unspecified injuries to the soft tissue or bony portions of the face.
The science devoted to the comparative study of man.
The time from the onset of a stimulus until a response is observed.
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.
The process of discovering or asserting an objective or intrinsic relation between two objects or concepts; a faculty or power that enables a person to make judgments; the process of bringing to light and asserting the implicit meaning of a concept; a critical evaluation of a person or situation.
The inability to recognize a familiar face or to learn to recognize new faces. This visual agnosia is most often associated with lesions involving the junctional regions between the temporal and occipital lobes. The majority of cases are associated with bilateral lesions, however unilateral damage to the right occipito-temporal cortex has also been associated with this condition. (From Cortex 1995 Jun;31(2):317-29)
The storing or preserving of video signals for television to be played back later via a transmitter or receiver. Recordings may be made on magnetic tape or discs (VIDEODISC RECORDING).
A social science dealing with group relationships, patterns of collective behavior, and social organization.
Congenital or acquired asymmetry of the face.
Facial dermatoses refers to various skin conditions that affect the face, causing symptoms such as redness, inflammation, papules, pustules, scaling, or pigmentation changes, which can be caused by a range of factors including genetics, infections, allergies, and environmental factors.
Differential response to different stimuli.
Portraying in a critical or facetious way a real individual or group, or a figure representing a social, political, ethnic, or racial type. The effect is usually achieved through distortion or exaggeration of characteristics. (Genre Terms: A Thesaurus for Use in Rare Book and Special Collections Cataloguing, 2d ed)
Imaging techniques used to colocalize sites of brain functions or physiological activity with brain structures.
Either of the two fleshy, full-blooded margins of the mouth.
Movement of a part of the body for the purpose of communication.
Stimulation at an intensity below that where a differentiated response can be elicited.
Electrical responses recorded from nerve, muscle, SENSORY RECEPTOR, or area of the CENTRAL NERVOUS SYSTEM following stimulation. They range from less than a microvolt to several microvolts. The evoked potential can be auditory (EVOKED POTENTIALS, AUDITORY), somatosensory (EVOKED POTENTIALS, SOMATOSENSORY), visual (EVOKED POTENTIALS, VISUAL), or motor (EVOKED POTENTIALS, MOTOR), or other modalities that have been reported.
Physical activity of the FETUS in utero. Gross or fine fetal body movement can be monitored by the mother, PALPATION, or ULTRASONOGRAPHY.
Focusing on certain aspects of current experience to the exclusion of others. It is the act of heeding or taking notice or concentrating.
Facial neoplasms are abnormal growths or tumors that develop in the facial region, which can be benign or malignant, originating from various cell types including epithelial, glandular, connective tissue, and neural crest cells.
Signals for an action; that specific portion of a perceptual field or pattern of stimuli to which a subject has learned to respond.
A perceptual phenomenon used by Gestalt psychologists to demonstrate that events in one part of the perceptual field may affect perception in another part.
Pain in the facial region including orofacial pain and craniofacial pain. Associated conditions include local inflammatory and neoplastic disorders and neuralgic syndromes involving the trigeminal, facial, and glossopharyngeal nerves. Conditions which feature recurrent or persistent facial pain as the primary manifestation of disease are referred to as FACIAL PAIN SYNDROMES.
A suborder of PRIMATES consisting of the following five families: CHEIROGALEIDAE; Daubentoniidae; Indriidae; LEMURIDAE; and LORISIDAE.
A system which emphasizes that experience and behavior contain basic patterns and relationships which cannot be reduced to simpler components; that is, the whole is greater than the sum of its parts.
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.
Groups that serve as a standard for comparison in experimental studies. They are similar in relevant characteristics to the experimental group but do not receive the experimental intervention.
A historical and cultural entity dispersed across the wide geographical area of Europe, as opposed to the East, Asia, and Africa. The term was used by scholars through the late medieval period. Thereafter, with the impact of colonialism and the transmission of cultures, Western World was sometimes expanded to include the Americas. (Dr. James H. Cassedy, NLM History of Medicine Division)
Any behavior caused by or affecting another individual, usually of the same species.
A system of hand gestures used for communication by the deaf or by people speaking different languages.
Those psychological characteristics which differentiate individuals from one another.
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.
A composition in prose or verse presenting in dialogue or pantomime a story involving various characters, usually intended to be acted on a stage and to be regarded as a form of entertainment. (From Random House Unabridged Dictionary, 2d ed)
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.
Mood or emotional responses dissonant with or inappropriate to the behavior and/or stimulus.
An individual's objective and insightful awareness of the feelings and behavior of another person. It should be distinguished from sympathy, which is usually nonobjective and noncritical. It includes caring, which is the demonstration of an awareness of and a concern for the good of others. (From Bioethics Thesaurus, 1992)
Any observable response or action of a neonate or infant up through the age of 23 months.
The appearance of the face that is often characteristic of a disease or pathological condition, as the elfin facies of WILLIAMS SYNDROME or the mongoloid facies of DOWN SYNDROME. (Random House Unabridged Dictionary, 2d ed)
Those forces and content of the mind which are not ordinarily available to conscious awareness or to immediate recall.
Conceptual functions or thinking in all its forms.
The sounds produced by humans by the passage of air through the LARYNX and over the VOCAL CORDS, and then modified by the resonance organs, the NASOPHARYNX, and the MOUTH.
Non-acceptance, negative attitudes, hostility or excessive criticism of the individual which may precipitate feelings of rejection.
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.
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.
A genus of the family Lorisidae having four species which inhabit the forests and bush regions of Africa south of the Sahara and some nearby islands. The four species are G. alleni, G. crassicaudatus, G. demidovii, and G. senegalensis. There is another genus, Euoticus, containing two species which some authors have included in the Galago genus.
A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable.
Cortical vigilance or readiness of tone, presumed to be in response to sensory stimulation via the reticular activating system.
A mental state characterized by bewilderment, emotional disturbance, lack of clear thinking, and perceptual disorientation.
Anxiety disorders in which the essential feature is persistent and irrational fear of a specific object, activity, or situation that the individual feels compelled to avoid. The individual recognizes the fear as excessive or unreasonable.
A psychological theory based on dimensions or categories used by a given person in describing or explaining the personality and behavior of others or of himself. The basic idea is that different people will use consistently different categories. The theory was formulated in the fifties by George Kelly. Two tests devised by him are the role construct repertory test and the repertory grid test. (From Stuart Sutherland, The International Dictionary of Psychology, 1989)
The mimicking of the behavior of one individual by another.
Research that involves the application of the behavioral and social sciences to the study of the actions or reactions of persons or animals in response to external or internal stimuli. (from American Heritage Dictionary, 4th ed)
Lack of correspondence between the way a stimulus is commonly perceived and the way an individual perceives it under given conditions.
Communication between animals involving the giving off by one individual of some chemical or physical signal, that, on being received by another, influences its behavior.
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.
Recording of electric currents developed in the brain by means of electrodes applied to the scalp, to the surface of the brain, or placed within the substance of the brain.
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.
The oval-shaped oral cavity located at the apex of the digestive tract and consisting of two parts: the vestibule and the oral cavity proper.
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.
The positioning and accommodation of eyes that allows the image to be brought into place on the FOVEA CENTRALIS of each eye.
Methods for visualizing REGIONAL BLOOD FLOW, metabolic, electrical, or other physiological activities in the CENTRAL NERVOUS SYSTEM using various imaging modalities.
The common chimpanzee, a species of the genus Pan, family HOMINIDAE. It lives in Africa, primarily in the tropical rainforests. There are a number of recognized subspecies.
The ability to attribute mental states (e.g., beliefs, desires, feelings, intentions, thoughts, etc.) to self and to others, allowing an individual to understand and infer behavior on the basis of the mental states. Difference or deficit in theory of mind is associated with ASPERGER SYNDROME; AUTISTIC DISORDER; and SCHIZOPHRENIA, etc.
Behaviors which are at variance with the expected social norm and which affect other individuals.
Communication through a system of conventional vocal symbols.
Includes both producing and responding to words, either written or spoken.
A change in electrical resistance of the skin, occurring in emotion and in certain other conditions.
Inability to experience pleasure due to impairment or dysfunction of normal psychological and neurobiological mechanisms. It is a symptom of many PSYCHOTIC DISORDERS (e.g., DEPRESSIVE DISORDER, MAJOR; and SCHIZOPHRENIA).
The transmission of traits encoded in GENES from parent to offspring.
Loss of the ability to comprehend the meaning or recognize the importance of various forms of stimulation that cannot be attributed to impairment of a primary sensory modality. Tactile agnosia is characterized by an inability to perceive the shape and nature of an object by touch alone, despite unimpaired sensation to light touch, position, and other primary sensory modalities.
The observable response of a man or animal to a situation.
The reciprocal interaction of two or more persons.
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)
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.
The process by which the nature and meaning of sensory stimuli are recognized and interpreted.
The transference between individuals of the entire face or major facial structures. In addition to the skin and cartilaginous tissue (CARTILAGE), it may include muscle and bone as well.
Voluntary or reflex-controlled movements of the eye.
Organizations representing specialized fields which are accepted as authoritative; may be non-governmental, university or an independent research organization, e.g., National Academy of Sciences, Brookings Institution, etc.
Recording of visual and sometimes sound signals on magnetic tape.
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.
Evaluation of the nature and extent of nursing problems presented by a patient for the purpose of patient care planning.
The act, process, or an instance of narrating, i.e., telling a story. In the context of MEDICINE or ETHICS, narration includes relating the particular and the personal in the life story of an individual.

Dissociable neural responses to facial expressions of sadness and anger. (1/1368)

Previous neuroimaging and neuropsychological studies have investigated the neural substrates which mediate responses to fearful, disgusted and happy expressions. No previous studies have investigated the neural substrates which mediate responses to sad and angry expressions. Using functional neuroimaging, we tested two hypotheses. First, we tested whether the amygdala has a neural response to sad and/or angry facial expressions. Secondly, we tested whether the orbitofrontal cortex has a specific neural response to angry facial expressions. Volunteer subjects were scanned, using PET, while they performed a sex discrimination task involving static grey-scale images of faces expressing varying degrees of sadness and anger. We found that increasing intensity of sad facial expression was associated with enhanced activity in the left amygdala and right temporal pole. In addition, we found that increasing intensity of angry facial expression was associated with enhanced activity in the orbitofrontal and anterior cingulate cortex. We found no support for the suggestion that angry expressions generate a signal in the amygdala. The results provide evidence for dissociable, but interlocking, systems for the processing of distinct categories of negative facial expression.  (+info)

Electrophysiological studies of human face perception. I: Potentials generated in occipitotemporal cortex by face and non-face stimuli. (2/1368)

This and the following two papers describe event-related potentials (ERPs) evoked by visual stimuli in 98 patients in whom electrodes were placed directly upon the cortical surface to monitor medically intractable seizures. Patients viewed pictures of faces, scrambled faces, letter-strings, number-strings, and animate and inanimate objects. This paper describes ERPs generated in striate and peristriate cortex, evoked by faces, and evoked by sinusoidal gratings, objects and letter-strings. Short-latency ERPs generated in striate and peristriate cortex were sensitive to elementary stimulus features such as luminance. Three types of face-specific ERPs were found: (i) a surface-negative potential with a peak latency of approximately 200 ms (N200) recorded from ventral occipitotemporal cortex, (ii) a lateral surface N200 recorded primarily from the middle temporal gyrus, and (iii) a late positive potential (P350) recorded from posterior ventral occipitotemporal, posterior lateral temporal and anterior ventral temporal cortex. Face-specific N200s were preceded by P150 and followed by P290 and N700 ERPs. N200 reflects initial face-specific processing, while P290, N700 and P350 reflect later face processing at or near N200 sites and in anterior ventral temporal cortex. Face-specific N200 amplitude was not significantly different in males and females, in the normal and abnormal hemisphere, or in the right and left hemisphere. However, cortical patches generating ventral face-specific N200s were larger in the right hemisphere. Other cortical patches in the same region of extrastriate cortex generated grating-sensitive N180s and object-specific or letter-string-specific N200s, suggesting that the human ventral object recognition system is segregated into functionally discrete regions.  (+info)

Electrophysiological studies of human face perception. II: Response properties of face-specific potentials generated in occipitotemporal cortex. (3/1368)

In the previous paper the locations and basic response properties of N200 and other face-specific event-related potentials (ERPs) were described. In this paper responsiveness of N200 and related ERPs to the perceptual features of faces and other images was assessed. N200 amplitude did not vary substantially, whether evoked by colored or grayscale faces; normal, blurred or line-drawing faces; or by faces of different sizes. Human hands evoked small N200s at face-specific sites, but evoked hand-specific ERPs at other sites. Cat and dog faces evoked N200s that were 73% as large as to human faces. Hemifield stimulation demonstrated that the right hemisphere is better at processing information about upright faces and transferring it to the left hemisphere, whereas the left hemisphere is better at processing information about inverted faces and transferring it to the right hemisphere. N200 amplitude was largest to full faces and decreased progressively to eyes, face contours, lips and noses viewed in isolation. A region just lateral to face-specific N200 sites was more responsive to internal face parts than to faces, and some sites in ventral occipitotemporal cortex were face-part-specific. Faces with eyes averted or closed evoked larger N200s than those evoked by faces with eyes forward. N200 amplitude and latency were affected by the joint effects of eye and head position in the right but not in the left hemisphere. Full and three-quarter views of faces evoked larger N200s than did profile views. The results are discussed in relation to behavioral studies in humans and single-cell recordings in monkeys.  (+info)

Electrophysiological studies of human face perception. III: Effects of top-down processing on face-specific potentials. (4/1368)

This is the last in a series of papers dealing with intracranial event-related potential (ERP) correlates of face perception. Here we describe the results of manipulations that may exert top-down influences on face recognition and face-specific ERPs, and the effects of cortical stimulation at face-specific sites. Ventral face-specific N200 was not evoked by affective stimuli; showed little or no habituation; was not affected by the familiarity or unfamiliarity of faces; showed no semantic priming; and was not affected by face-name learning or identification. P290 and N700 were affected by semantic priming and by face-name learning and identification. The early fraction of N700 and face-specific P350 exhibited significant habituation. About half of the AP350 sites exhibited semantic priming, whereas the VP350 and LP350 sites did not. Cortical stimulation evoked a transient inability to name familiar faces or evoked face-related hallucinations at two-thirds of face-specific N200 sites. These results are discussed in relation to human behavioral studies and monkey single-cell recordings. Discussion of results of all three papers concludes that: face-specific N200 reflects the operation of a module specialized for the perception of human faces; ventral and lateral occipitotemporal cortex are composed of a complex mosaic of functionally discrete patches of cortex of variable number, size and location; in ventral cortex there is a posterior-to-anterior trend in the location of patches in the order letter-strings, form, hands, objects, faces and face parts; P290 and N700 at face-specific N200 sites, and face-specific P350, are subject to top-down influences.  (+info)

Face-selective neurons during passive viewing and working memory performance of rhesus monkeys: evidence for intrinsic specialization of neuronal coding. (5/1368)

The functional organization of prefrontal cortex (PFC) is a central issue in cognitive neuroscience. Previous physiological investigations have often failed to reveal specialization within the PFC. However, these studies have generally not been designed to examine this issue. Methodological issues such as statistical criteria for specificity, the number of neurons sampled, the extent of cortex sampled, and the number, location and nature of the stimuli used are among the variables that need to be considered in evaluating the results of studies on functional localization. In the present study, we have examined neurons in macaque monkeys trained to fixate while viewing visual stimuli, including faces, or to use them as memoranda on a working memory task. Visual responses of over 1500 neurons were recorded throughout a wide expanse of the PFC (areas 12, 9, 46, 8 and 45). Neurons were considered selective for faces if the best response to a face was over twice as strong as that to any of a wide variety of non-face stimuli. Full electrode track reconstructions in three monkeys revealed in each that neurons which met this criterion were concentrated almost exclusively in three distinct subregions within the projection region of the temporal lobe visual areas. We further show that for all neurons, the most visually selective neurons (for faces, objects or color patterns) were also the most concentrated in the temporal lobe recipient PFC. Similar face selectivity, regional specialization, and delay or delay-like activity were observed in monkeys whether trained on memory tasks or not, which suggests that these are naturally occurring properties of prefrontal neurons. These results confirm neuronal and regional specialization for information processing in PFC and elucidate how heretofore unexamined experimental variables have a strong influence on the detection of regional specialization.  (+info)

Laterality of expression in portraiture: putting your best cheek forward. (6/1368)

Portraits, both photographic and painted, are often produced with more of one side of the face showing than the other. Typically, the left side of the face is overrepresented, with the head turned slightly to the sitter's right. This leftward bias is weaker for painted male portraits and non-existent for portraits of scientists from the Royal Society. What mechanism might account for this bias? Examination of portraits painted by left- and right-handers and of self-portraits suggests that the bias is not determined by a mechanical preference of the artist or by the viewer's aesthetics. The leftward bias seems to be determined by the sitters and their desire to display the left side of their face, which is controlled by the emotive, right cerebral hemisphere. When we asked people to portray as much emotion as possible when posing for a family portrait, they tended to present the left side of their face. When asked to pose as scientists and avoid portraying emotion, participants tended to present their right side. The motivation to portray emotion, or conceal it, might explain why portraits of males show a reduced leftward bias, and also why portraits of scientists from the Royal Society show no leftward bias.  (+info)

Activation of the right inferior frontal cortex during assessment of facial emotion. (7/1368)

We measured regional cerebral blood flow (rCBF) using positron emission tomography (PET) to determine which brain regions are involved in the assessment of facial emotion. We asked right-handed normal subjects to assess the signalers' emotional state based on facial gestures and to assess the facial attractiveness, as well as to discriminate the background color of the facial stimuli, and compared the activity produced by each condition. The right inferior frontal cortex showed significant activation during the assessment of facial emotion in comparison with the other two tests. The activated area was located within a triangular area of the inferior frontal cortex in the right cerebral hemisphere. These results, together with those of previous imaging and clinical studies, suggest that the right inferior frontal cortex processes emotional communicative signals that could be visual or auditory and that there is a hemispheric asymmetry in the inferior frontal cortex in relation to the processing of emotional communicative signals.  (+info)

Knowing no fear. (8/1368)

People with brain injuries involving the amygdala are often poor at recognizing facial expressions of fear, but the extent to which this impairment compromises other signals of the emotion of fear has not been clearly established. We investigated N.M., a person with bilateral amygdala damage and a left thalamic lesion, who was impaired at recognizing fear from facial expressions. N.M. showed an equivalent deficit affecting fear recognition from body postures and emotional sounds. His deficit of fear recognition was not linked to evidence of any problem in recognizing anger (a common feature in other reports), but for his everyday experience of emotion N.M. reported reduced anger and fear compared with neurologically normal controls. These findings show a specific deficit compromising the recognition of the emotion of fear from a wide range of social signals, and suggest a possible relationship of this type of impairment with alterations of emotional experience.  (+info)

A facial expression is a result of the contraction or relaxation of muscles in the face that change the physical appearance of an individual's face to convey various emotions, intentions, or physical sensations. Facial expressions can be voluntary or involuntary and are a form of non-verbal communication that plays a crucial role in social interaction and conveying a person's state of mind.

The seven basic facial expressions of emotion, as proposed by Paul Ekman, include happiness, sadness, fear, disgust, surprise, anger, and contempt. These facial expressions are universally recognized across cultures and can be detected through the interpretation of specific muscle movements in the face, known as action units, which are measured and analyzed in fields such as psychology, neurology, and computer vision.

Facial muscles, also known as facial nerves or cranial nerve VII, are a group of muscles responsible for various expressions and movements of the face. These muscles include:

1. Orbicularis oculi: muscle that closes the eyelid and raises the upper eyelid
2. Corrugator supercilii: muscle that pulls the eyebrows down and inward, forming wrinkles on the forehead
3. Frontalis: muscle that raises the eyebrows and forms horizontal wrinkles on the forehead
4. Procerus: muscle that pulls the medial ends of the eyebrows downward, forming vertical wrinkles between the eyebrows
5. Nasalis: muscle that compresses or dilates the nostrils
6. Depressor septi: muscle that pulls down the tip of the nose
7. Levator labii superioris alaeque nasi: muscle that raises the upper lip and flares the nostrils
8. Levator labii superioris: muscle that raises the upper lip
9. Zygomaticus major: muscle that raises the corner of the mouth, producing a smile
10. Zygomaticus minor: muscle that raises the nasolabial fold and corner of the mouth
11. Risorius: muscle that pulls the angle of the mouth laterally, producing a smile
12. Depressor anguli oris: muscle that pulls down the angle of the mouth
13. Mentalis: muscle that raises the lower lip and forms wrinkles on the chin
14. Buccinator: muscle that retracts the cheek and helps with chewing
15. Platysma: muscle that depresses the corner of the mouth and wrinkles the skin of the neck.

These muscles are innervated by the facial nerve, which arises from the brainstem and exits the skull through the stylomastoid foramen. Damage to the facial nerve can result in facial paralysis or weakness on one or both sides of the face.

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.

I'm sorry for any confusion, but there isn't a universally accepted medical or scientific definition for "happiness." Happiness is a subjective experience and can mean different things to different people. It's often associated with feelings of joy, contentment, satisfaction, or well-being.

However, in the field of positive psychology, happiness is sometimes defined as "the overall experience of pleasure and meaning" or "subjective well-being." This can be measured in terms of both cognitive judgments (how satisfied people are with their lives) and affective evaluations (how often people experience positive emotions and negative emotions).

Please note that while we can study factors that contribute to happiness, such as strong social connections, meaningful activities, and positive emotions, the experience of happiness itself is highly individual and subjective.

In medical terms, the face refers to the front part of the head that is distinguished by the presence of the eyes, nose, and mouth. It includes the bones of the skull (frontal bone, maxilla, zygoma, nasal bones, lacrimal bones, palatine bones, inferior nasal conchae, and mandible), muscles, nerves, blood vessels, skin, and other soft tissues. The face plays a crucial role in various functions such as breathing, eating, drinking, speaking, seeing, smelling, and expressing emotions. It also serves as an important identifier for individuals, allowing them to be recognized by others.

The facial nerve, also known as the seventh cranial nerve (CN VII), is a mixed nerve that carries both sensory and motor fibers. Its functions include controlling the muscles involved in facial expressions, taste sensation from the anterior two-thirds of the tongue, and secretomotor function to the lacrimal and salivary glands.

The facial nerve originates from the brainstem and exits the skull through the internal acoustic meatus. It then passes through the facial canal in the temporal bone before branching out to innervate various structures of the face. The main branches of the facial nerve include:

1. Temporal branch: Innervates the frontalis, corrugator supercilii, and orbicularis oculi muscles responsible for eyebrow movements and eyelid closure.
2. Zygomatic branch: Supplies the muscles that elevate the upper lip and wrinkle the nose.
3. Buccal branch: Innervates the muscles of the cheek and lips, allowing for facial expressions such as smiling and puckering.
4. Mandibular branch: Controls the muscles responsible for lower lip movement and depressing the angle of the mouth.
5. Cervical branch: Innervates the platysma muscle in the neck, which helps to depress the lower jaw and wrinkle the skin of the neck.

Damage to the facial nerve can result in various symptoms, such as facial weakness or paralysis, loss of taste sensation, and dry eyes or mouth due to impaired secretion.

Facial paralysis is a loss of facial movement due to damage or dysfunction of the facial nerve (cranial nerve VII). This nerve controls the muscles involved in facial expressions, such as smiling, frowning, and closing the eyes. Damage to one side of the facial nerve can cause weakness or paralysis on that side of the face.

Facial paralysis can result from various conditions, including:

1. Bell's palsy - an idiopathic (unknown cause) inflammation of the facial nerve
2. Trauma - skull fractures, facial injuries, or surgical trauma to the facial nerve
3. Infections - Lyme disease, herpes zoster (shingles), HIV/AIDS, or bacterial infections like meningitis
4. Tumors - benign or malignant growths that compress or invade the facial nerve
5. Stroke - damage to the brainstem where the facial nerve originates
6. Congenital conditions - some people are born with facial paralysis due to genetic factors or birth trauma

Symptoms of facial paralysis may include:

* Inability to move one or more parts of the face, such as the eyebrows, eyelids, mouth, or cheeks
* Drooping of the affected side of the face
* Difficulty closing the eye on the affected side
* Changes in saliva and tear production
* Altered sense of taste
* Pain around the ear or jaw
* Speech difficulties due to weakened facial muscles

Treatment for facial paralysis depends on the underlying cause. In some cases, such as Bell's palsy, spontaneous recovery may occur within a few weeks to months. However, physical therapy, medications, and surgical interventions might be necessary in other situations to improve function and minimize complications.

Anger is a normal and adaptive human emotion, which can be defined as a negative emotional state that involves feelings of annoyance, irritation, hostility, and aggression towards someone or something that has caused harm, injury, or unfair treatment. It is a complex emotional response that can have physical, mental, and behavioral components.

Physiologically, anger triggers the release of stress hormones such as adrenaline, which prepares the body for a fight-or-flight response. This can result in symptoms such as increased heart rate, rapid breathing, and heightened sensory perception.

In terms of mental and behavioral components, anger can manifest as thoughts of revenge, verbal or physical aggression, or passive-aggressive behaviors. Chronic or uncontrolled anger can have negative impacts on one's health, relationships, and overall quality of life.

It is important to note that while anger is a normal emotion, it becomes a problem when it leads to harmful behaviors or interferes with daily functioning. In such cases, seeking professional help from a mental health provider may be necessary to learn healthy coping mechanisms and manage anger effectively.

Kinesics is not a medical term per se, but rather a term used in the field of communication and social sciences. It refers to the study of body motion and gestures as a means of communication. This includes facial expressions, posture, gestures, and other bodily movements that convey information or emotions.

However, understanding kinesics is important for healthcare professionals, particularly those involved in patient care and communication. Healthcare providers can use kinesic cues to better understand their patients' needs, feelings, and responses during medical examinations, treatments, and consultations. For instance, a furrowed brow or squinted eyes may indicate confusion or discomfort, while crossed arms might suggest defensiveness or resistance.

Therefore, while not a medical term itself, kinesics plays an essential role in the field of medicine as it helps healthcare professionals to improve their communication skills and build better rapport with patients.

Social perception, in the context of psychology and social sciences, refers to the ability to interpret and understand other people's behavior, emotions, and intentions. It is the process by which we make sense of the social world around us, by observing and interpreting cues such as facial expressions, body language, tone of voice, and situational context.

In medical terminology, social perception is not a specific diagnosis or condition, but rather a cognitive skill that can be affected in various mental and neurological disorders, such as autism spectrum disorder, schizophrenia, and dementia. For example, individuals with autism may have difficulty interpreting social cues and understanding other people's emotions and intentions, while those with schizophrenia may have distorted perceptions of social situations and interactions.

Healthcare professionals who work with patients with cognitive or neurological disorders may assess their social perception skills as part of a comprehensive evaluation, in order to develop appropriate interventions and support strategies.

I'm sorry for any confusion, but "smiling" is not typically considered a medical term. It's a part of normal human behavior and facial expression. A smile usually refers to the action of turning up the corners of the mouth to signal pleasure, affection, amusement, or approval. However, in a medical context, a person may be unable to smile due to various conditions, such as facial paralysis caused by Bell's palsy or a stroke. In such cases, the ability to smile can be an important part of rehabilitation and recovery.

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.

Expressed Emotion (EE) is a term used in the field of psychiatry and psychology to describe the level of criticism, hostility, and emotional over-involvement expressed by family members or close relatives towards an individual with a mental illness. It is measured through a standardized interview called the Camberwell Family Interview (CFI). High levels of EE have been found to be associated with poorer outcomes in individuals with mental illness, particularly those with severe and persistent conditions such as schizophrenia and bipolar disorder.

Nonverbal communication in a medical context refers to the transmission of information or messages through visual, auditory, tactile, olfactory, and kinesthetic channels, excluding spoken or written language. It includes facial expressions, body posture, gestures, eye contact, touch, physical appearance, use of space, and paralanguages such as tone of voice, volume, and pitch. In healthcare settings, nonverbal communication plays a crucial role in building rapport, expressing empathy, conveying emotions, and understanding patients' needs and concerns. Healthcare providers should be aware of their own nonverbal cues and interpret those of their patients to enhance clinical encounters and improve patient-centered care.

The amygdala is an almond-shaped group of nuclei located deep within the temporal lobe of the brain, specifically in the anterior portion of the temporal lobes and near the hippocampus. It forms a key component of the limbic system and plays a crucial role in processing emotions, particularly fear and anxiety. The amygdala is involved in the integration of sensory information with emotional responses, memory formation, and decision-making processes.

In response to emotionally charged stimuli, the amygdala can modulate various physiological functions, such as heart rate, blood pressure, and stress hormone release, via its connections to the hypothalamus and brainstem. Additionally, it contributes to social behaviors, including recognizing emotional facial expressions and responding appropriately to social cues. Dysfunctions in amygdala function have been implicated in several psychiatric and neurological conditions, such as anxiety disorders, depression, post-traumatic stress disorder (PTSD), and autism spectrum disorder (ASD).

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.

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.

Fear is a basic human emotion that is typically characterized by a strong feeling of anxiety, apprehension, or distress in response to a perceived threat or danger. It is a natural and adaptive response that helps individuals identify and respond to potential dangers in their environment, and it can manifest as physical, emotional, and cognitive symptoms.

Physical symptoms of fear may include increased heart rate, rapid breathing, sweating, trembling, and muscle tension. Emotional symptoms may include feelings of anxiety, worry, or panic, while cognitive symptoms may include difficulty concentrating, racing thoughts, and intrusive thoughts about the perceived threat.

Fear can be a normal and adaptive response to real dangers, but it can also become excessive or irrational in some cases, leading to phobias, anxiety disorders, and other mental health conditions. In these cases, professional help may be necessary to manage and overcome the fear.

Facial nerve diseases refer to a group of medical conditions that affect the function of the facial nerve, also known as the seventh cranial nerve. This nerve is responsible for controlling the muscles of facial expression, and it also carries sensory information from the taste buds in the front two-thirds of the tongue, and regulates saliva flow and tear production.

Facial nerve diseases can cause a variety of symptoms, depending on the specific location and extent of the nerve damage. Common symptoms include:

* Facial weakness or paralysis on one or both sides of the face
* Drooping of the eyelid and corner of the mouth
* Difficulty closing the eye or keeping it closed
* Changes in taste sensation or dryness of the mouth and eyes
* Abnormal sensitivity to sound (hyperacusis)
* Twitching or spasms of the facial muscles

Facial nerve diseases can be caused by a variety of factors, including:

* Infections such as Bell's palsy, Ramsay Hunt syndrome, and Lyme disease
* Trauma or injury to the face or skull
* Tumors that compress or invade the facial nerve
* Neurological conditions such as multiple sclerosis or Guillain-Barre syndrome
* Genetic disorders such as Moebius syndrome or hemifacial microsomia

Treatment for facial nerve diseases depends on the underlying cause and severity of the symptoms. In some cases, medication, physical therapy, or surgery may be necessary to restore function and relieve symptoms.

The facial bones, also known as the facial skeleton, are a series of bones that make up the framework of the face. They include:

1. Frontal bone: This bone forms the forehead and the upper part of the eye sockets.
2. Nasal bones: These two thin bones form the bridge of the nose.
3. Maxilla bones: These are the largest bones in the facial skeleton, forming the upper jaw, the bottom of the eye sockets, and the sides of the nose. They also contain the upper teeth.
4. Zygomatic bones (cheekbones): These bones form the cheekbones and the outer part of the eye sockets.
5. Palatine bones: These bones form the back part of the roof of the mouth, the side walls of the nasal cavity, and contribute to the formation of the eye socket.
6. Inferior nasal conchae: These are thin, curved bones that form the lateral walls of the nasal cavity and help to filter and humidify air as it passes through the nose.
7. Lacrimal bones: These are the smallest bones in the skull, located at the inner corner of the eye socket, and help to form the tear duct.
8. Mandible (lower jaw): This is the only bone in the facial skeleton that can move. It holds the lower teeth and forms the chin.

These bones work together to protect vital structures such as the eyes, brain, and nasal passages, while also providing attachment points for muscles that control chewing, expression, and other facial movements.

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.

Facial injuries refer to any damage or trauma caused to the face, which may include the bones of the skull that form the face, teeth, salivary glands, muscles, nerves, and skin. Facial injuries can range from minor cuts and bruises to severe fractures and disfigurement. They can be caused by a variety of factors such as accidents, falls, sports-related injuries, physical assaults, or animal attacks.

Facial injuries can affect one or more areas of the face, including the forehead, eyes, nose, cheeks, ears, mouth, and jaw. Common types of facial injuries include lacerations (cuts), contusions (bruises), abrasions (scrapes), fractures (broken bones), and burns.

Facial injuries can have significant psychological and emotional impacts on individuals, in addition to physical effects. Treatment for facial injuries may involve simple first aid, suturing of wounds, splinting or wiring of broken bones, reconstructive surgery, or other medical interventions. It is essential to seek prompt medical attention for any facial injury to ensure proper healing and minimize the risk of complications.

Anthropology is the scientific study of humans, human behavior, and societies in the past and present. It includes the study of language, culture, biology, and archaeology. In a medical context, anthropologists may study how cultural factors influence health and illness, health care practices and beliefs, and the impact of medical systems on individuals and communities. This field is known as medical anthropology.

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.

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.

In the context of medical definitions, "judgment" generally refers to the ability to make decisions or form opinions regarding a patient's condition or treatment. It involves critical thinking, clinical reasoning, and knowledge of medical principles and practices. In some cases, it may also refer to a medical professional's assessment or evaluation of a patient's health status or response to treatment.

However, it is important to note that "judgment" is not a term with a specific medical definition, and its meaning can vary depending on the context in which it is used. In general, it refers to the ability to make sound decisions based on evidence, experience, and expertise.

Prosopagnosia is a neurological disorder characterized by the inability to recognize or remember faces, even those of familiar people such as family members and friends. This condition often results from brain damage, particularly to the fusiform gyrus area located in the temporal lobe, which is responsible for facial recognition and memory.

Individuals with prosopagnosia may have difficulty distinguishing between faces, sometimes even mistaking their own reflection or confusing family members with strangers. However, they can still recognize people through other means, such as voice, hairstyle, clothing, or gait. Prosopagnosia can be congenital (present at birth) or acquired due to brain injury or disease.

There are two main types of prosopagnosia: developmental (or congenital) and acquired. Developmental prosopagnosia is present from birth and tends to run in families, suggesting a genetic component. Acquired prosopagnosia occurs after brain damage due to stroke, trauma, or degenerative diseases like dementia.

Prosopagnosia can significantly impact social interactions and relationships, causing distress and isolation for those affected. Currently, there is no cure for this condition; however, various strategies and techniques can help individuals with prosopagnosia cope and improve their face recognition abilities.

I apologize, but "video recording" is not a term that has a specific medical definition. It generally refers to the process of capturing and storing moving visual images on electronic media, which is used in various medical fields for different purposes such as surgical training, telemedicine consultations, or monitoring patient conditions. However, there is no unique medical meaning associated with this term.

I'm sorry for any confusion, but "sociology" is not a term that has a medical definition. Sociology is a social science that focuses on the study of human behavior and interactions in society, including the development, structure, and functioning of human societies. It is distinct from medical disciplines which focus on the diagnosis and treatment of health conditions.

Facial asymmetry refers to a condition in which the facial features are not identical or proportionate on both sides of a vertical line drawn down the middle of the face. This can include differences in the size, shape, or positioning of facial features such as the eyes, ears, nose, cheeks, and jaw. Facial asymmetry can be mild and barely noticeable, or it can be more severe and affect a person's appearance and/or functionality of the mouth and jaw.

Facial asymmetry can be present at birth (congenital) or can develop later in life due to various factors such as injury, surgery, growth disorders, nerve damage, or tumors. In some cases, facial asymmetry may not cause any medical problems and may only be of cosmetic concern. However, in other cases, it may indicate an underlying medical condition that requires treatment.

Depending on the severity and cause of the facial asymmetry, treatment options may include cosmetic procedures such as fillers or surgery, orthodontic treatment, physical therapy, or medication to address any underlying conditions.

Facial dermatoses refer to various skin conditions that affect the face. These can include a wide range of disorders, such as:

1. Acne vulgaris: A common skin condition characterized by the formation of comedones (blackheads and whiteheads) and inflammatory papules, pustules, and nodules. It primarily affects the face, neck, chest, and back.
2. Rosacea: A chronic skin condition that causes redness, flushing, and visible blood vessels on the face, along with bumps or pimples and sometimes eye irritation.
3. Seborrheic dermatitis: A common inflammatory skin disorder that causes a red, itchy, and flaky rash, often on the scalp, face, and eyebrows. It can also affect other oily areas of the body, like the sides of the nose and behind the ears.
4. Atopic dermatitis (eczema): A chronic inflammatory skin condition that causes red, itchy, and scaly patches on the skin. While it can occur anywhere on the body, it frequently affects the face, especially in infants and young children.
5. Psoriasis: An autoimmune disorder that results in thick, scaly, silvery, or red patches on the skin. It can affect any part of the body, including the face.
6. Contact dermatitis: A skin reaction caused by direct contact with an allergen or irritant, resulting in redness, itching, and inflammation. The face can be affected when allergens or irritants come into contact with the skin through cosmetics, skincare products, or other substances.
7. Lupus erythematosus: An autoimmune disorder that can cause a butterfly-shaped rash on the cheeks and nose, along with other symptoms like joint pain, fatigue, and photosensitivity.
8. Perioral dermatitis: A inflammatory skin condition that causes redness, small bumps, and dryness around the mouth, often mistaken for acne. It can also affect the skin around the nose and eyes.
9. Vitiligo: An autoimmune disorder that results in the loss of pigmentation in patches of skin, which can occur on the face and other parts of the body.
10. Tinea faciei: A fungal infection that affects the facial skin, causing red, scaly, or itchy patches. It is also known as ringworm of the face.

These are just a few examples of skin conditions that can affect the face. If you experience any unusual symptoms or changes in your skin, it's essential to consult a dermatologist for proper diagnosis and treatment.

A caricature is a type of artistic representation that exaggerates or distorts certain features of a person, animal, or object in order to create a humorous or satirical effect. In the context of medical illustration, caricatures may be used to help communicate complex medical concepts in a more engaging and accessible way. For example, a medical caricature might depict a particular disease process in an exaggerated manner, highlighting key features and symptoms for educational purposes.

It's worth noting that the use of caricatures in medical illustration is somewhat uncommon, as the primary goal of medical illustration is typically to provide accurate and realistic representations of anatomy, physiology, and medical procedures. However, in certain contexts, a well-executed caricature can be a useful tool for engaging audiences and helping them to better understand complex medical concepts.

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.

In medical terms, a "lip" refers to the thin edge or border of an organ or other biological structure. However, when people commonly refer to "the lip," they are usually talking about the lips on the face, which are part of the oral cavity. The lips are a pair of soft, fleshy tissues that surround the mouth and play a crucial role in various functions such as speaking, eating, drinking, and expressing emotions.

The lips are made up of several layers, including skin, muscle, blood vessels, nerves, and mucous membrane. The outer surface of the lips is covered by skin, while the inner surface is lined with a moist mucous membrane. The muscles that make up the lips allow for movements such as pursing, puckering, and smiling.

The lips also contain numerous sensory receptors that help detect touch, temperature, pain, and other stimuli. Additionally, they play a vital role in protecting the oral cavity from external irritants and pathogens, helping to keep the mouth clean and healthy.

In a medical context, "gestures" are not typically defined as they are a part of communication and behavior rather than specific medical terminology. However, in the field of physical therapy or rehabilitation, gestures may refer to purposeful movements made with the hands, arms, or body to express ideas or commands.

In neurology or neuropsychology, abnormal gestures may be a symptom of certain conditions such as apraxia, where patients have difficulty performing learned, purposeful movements despite having the physical ability to do so. In this context, "gestures" would refer to specific motor behaviors that are impaired due to brain damage or dysfunction.

Subliminal stimulation refers to the presentation of stimuli (such as visual, auditory, or tactile) below the threshold of conscious perception. The term "subliminal" means "below the limen," with "limen" being the smallest intensity level at which a stimulus can be perceived and recognized.

In subliminal stimulation, the individual is unaware of the presence of the stimuli and cannot consciously identify or respond to them. However, research suggests that such stimuli may still have an impact on cognitive processes, emotions, and behaviors, as they can influence brain activity and activate unconscious mental processes.

It's important to note that subliminal stimulation has been a subject of controversy, particularly in the context of its application in advertising and entertainment. While some studies suggest that subliminal messages may have subtle effects on behavior, other research has failed to replicate these findings or found them to be minimal at best. Additionally, ethical concerns surround the use of subliminal stimulation, as it involves manipulating individuals without their knowledge or consent.

Evoked potentials (EPs) are medical tests that measure the electrical activity in the brain or spinal cord in response to specific sensory stimuli, such as sight, sound, or touch. These tests are often used to help diagnose and monitor conditions that affect the nervous system, such as multiple sclerosis, brainstem tumors, and spinal cord injuries.

There are several types of EPs, including:

1. Visual Evoked Potentials (VEPs): These are used to assess the function of the visual pathway from the eyes to the back of the brain. A patient is typically asked to look at a patterned image or flashing light while electrodes placed on the scalp record the electrical responses.
2. Brainstem Auditory Evoked Potentials (BAEPs): These are used to evaluate the function of the auditory nerve and brainstem. Clicking sounds are presented to one or both ears, and electrodes placed on the scalp measure the response.
3. Somatosensory Evoked Potentials (SSEPs): These are used to assess the function of the peripheral nerves and spinal cord. Small electrical shocks are applied to a nerve at the wrist or ankle, and electrodes placed on the scalp record the response as it travels up the spinal cord to the brain.
4. Motor Evoked Potentials (MEPs): These are used to assess the function of the motor pathways in the brain and spinal cord. A magnetic or electrical stimulus is applied to the brain or spinal cord, and electrodes placed on a muscle measure the response as it travels down the motor pathway.

EPs can help identify abnormalities in the nervous system that may not be apparent through other diagnostic tests, such as imaging studies or clinical examinations. They are generally safe, non-invasive procedures with few risks or side effects.

Fetal movement, also known as quickening, refers to the first perceived movements of the fetus in the uterus during pregnancy. These movements are often described as a fluttering sensation in the lower abdomen and are usually felt by pregnant individuals between 18 and 25 weeks of gestation, although they may occur earlier or later depending on various factors such as the position of the placenta and whether it is a first-time pregnancy.

Fetal movements are an important sign of fetal well-being, and pregnant individuals are typically advised to monitor them regularly starting from around 28 weeks of gestation. A decrease in fetal movement or the absence of fetal movement for an extended period may indicate a problem and should be reported to a healthcare provider immediately.

Fetal movements can be described as kicks, rolls, jabs, or turns, and they become stronger and more frequent as the pregnancy progresses. By 32 weeks of gestation, most fetuses move around 10 times per hour, and by 37 weeks, they typically move around 30 times per day. However, it is important to note that every fetus has its own pattern of movements, and what is normal for one may not be normal for another.

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.

Facial neoplasms refer to abnormal growths or tumors that develop in the tissues of the face. These growths can be benign (non-cancerous) or malignant (cancerous). Facial neoplasms can occur in any of the facial structures, including the skin, muscles, bones, nerves, and glands.

Benign facial neoplasms are typically slow-growing and do not spread to other parts of the body. Examples include papillomas, hemangiomas, and neurofibromas. While these tumors are usually harmless, they can cause cosmetic concerns or interfere with normal facial function.

Malignant facial neoplasms, on the other hand, can be aggressive and invasive. They can spread to other parts of the face, as well as to distant sites in the body. Common types of malignant facial neoplasms include basal cell carcinoma, squamous cell carcinoma, and melanoma.

Treatment for facial neoplasms depends on several factors, including the type, size, location, and stage of the tumor. Treatment options may include surgery, radiation therapy, chemotherapy, or a combination of these approaches. It is important to seek medical attention promptly if you notice any unusual growths or changes in the skin or tissues of your face.

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.

"Figural aftereffect" is not a widely recognized or established term in medical or clinical neuroscience literature. However, it seems to be related to the concept of "perceptual aftereffects," which are well-documented phenomena in visual and other sensory perception. Here's a definition that may help you understand figural aftereffects within this context:

Perceptual aftereffect is a phenomenon where exposure to a specific stimulus for a certain period can temporarily alter the perception of subsequent stimuli, making them appear different from what they would have been without the initial exposure. This effect arises due to neural adaptation in response to the prolonged exposure.

In the case of "figural aftereffect," it likely refers to a specific type of perceptual aftereffect where the perception of figures or shapes is affected by prior exposure. For example, if someone stares at a curved line for a while and then looks at a straight line, they might initially perceive the straight line as being more curved than it actually is due to the lingering influence of the initial stimulus.

However, since "figural aftereffect" isn't a standard term in medical or neuroscience literature, I would recommend consulting original research articles or experts in visual perception for a more precise definition and context.

Facial pain is a condition characterized by discomfort or pain felt in any part of the face. It can result from various causes, including nerve damage or irritation, injuries, infections, dental problems, migraines, or sinus congestion. The pain can range from mild to severe and may be sharp, dull, constant, or intermittent. In some cases, facial pain can also be associated with other symptoms such as headaches, redness, swelling, or changes in sensation. Accurate diagnosis and treatment of the underlying cause are essential for effective management of facial pain.

Strepsirhini is a term used in primatology and physical anthropology to refer to a parvorder of primates that includes lemurs, lorises, and galagos (bushbabies). This group is characterized by several features, including a wet nose, a grooming claw on the second digit of the hind foot, and a toothcomb - a set of lower incisors and canines specialized for grooming.

The term Strepsirhini comes from the Greek words "streptos" meaning twisted and "rhinos" meaning nose, referring to the wet, rhinarium (naked, moist snout) found in these primates. This is one of the two major divisions within the infraorder Lemuriformes, the other being Haplorhini, which includes tarsiers, monkeys, apes, and humans.

I'm sorry for any confusion, but "Gestalt Theory" is actually a concept in psychology, not medicine. It is a theory of perception that describes the way we organize visual elements into groups or unified wholes rather than processing them as individual parts. The term "Gestalt" is German for "form" or "shape."

In medical/healthcare fields, you might hear about Gestalt principles being used in areas like physical therapy, occupational therapy, or counseling to help patients make sense of their experiences or perceptions, but the theory itself is a concept from psychology.

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.

A control group, in the context of medical research or clinical trials, is a group of participants in a study who do not receive the experimental intervention or treatment that is being tested. Instead, they typically receive standard of care, a placebo, or no treatment at all. The control group serves as a comparison group to help researchers evaluate the effectiveness and safety of the new intervention or treatment being studied. By comparing the outcomes of the experimental group (those who received the new intervention) to the control group, researchers can determine whether any observed differences in outcomes are likely due to the intervention itself, rather than other factors.

I'm sorry for any confusion, but the term "Western World" is a geopolitical and cultural term, rather than a medical one. It generally refers to societies or countries in Europe, North America, Australia, and New Zealand that share common cultural and historical roots. It does not have a specific medical definition. However, it is often used in medical literature to compare and contrast health statistics, disease prevalence, and healthcare systems between Western and non-Western countries.

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.

Sign language is not considered a medical term, but it is a visual-manual means of communication used by individuals who are deaf or hard of hearing. It combines hand shapes, orientation, and movement of the hands, arms, or body, along with facial expressions and lip patterns. Different sign languages exist in various countries and communities, such as American Sign Language (ASL) and British Sign Language (BSL).

However, I can provide a definition related to medical terminology that involves the use of gestures for communication purposes:

Gesture (in medical context): A bodily action or movement, often used to convey information or communicate. In some medical situations, healthcare professionals may use simple, predefined gestures to elicit responses from patients who have difficulty with verbal communication due to conditions like aphasia, dysarthria, or being in a coma. These gestures can be part of a more comprehensive system called "gesture-based communication" or "nonverbal communication."

For sign language specifically, you may consult resources related to linguistics, special education, or deaf studies for detailed definitions and descriptions.

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.

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.

'Drama' is a term that is more commonly associated with the humanities, particularly literature, theater, and film, rather than medicine. It refers to a type of narrative that explores human emotions, conflicts, and experiences through characters and plot. Drama can be presented in various forms such as plays, movies, or television shows.

There is no medical definition for 'drama' as it is not a term used in the field of medicine. However, in some contexts, drama may refer to emotional distress or turmoil that a person experiences, which could be relevant to mental health and psychology. In such cases, healthcare professionals might use related terms like "psychological distress," "emotional disturbance," or "crisis intervention" to describe the situation more accurately.

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.

Affective symptoms refer to emotional or mood-related disturbances that can occur in various medical and psychological conditions. These symptoms may include:

1. Depression: feelings of sadness, hopelessness, loss of interest or pleasure in activities, changes in appetite and sleep patterns, fatigue, difficulty concentrating, and thoughts of death or suicide.
2. Anxiety: excessive worry, fear, or nervousness, often accompanied by physical symptoms such as a rapid heartbeat, sweating, and trembling.
3. Irritability: easily annoyed or agitated, often leading to outbursts of anger or frustration.
4. Mania or hypomania: abnormally elevated mood, increased energy, decreased need for sleep, racing thoughts, and impulsive or risky behavior.
5. Apathy: lack of interest, motivation, or emotion, often leading to social withdrawal and decreased activity levels.
6. Mood lability: rapid and unpredictable shifts in mood, ranging from extreme happiness to sadness, anger, or anxiety.

Affective symptoms can significantly impact a person's quality of life and ability to function in daily activities. They may be caused by a variety of factors, including genetics, brain chemistry imbalances, stress, trauma, and medical conditions. Proper diagnosis and treatment are essential for managing affective symptoms and improving overall well-being.

Empathy is the ability to understand and share the feelings of another being. In a medical or clinical context, empathy refers to the healthcare provider's capacity to comprehend and respond to a patient's emotional experiences, perspectives, and concerns. Empathy involves not only cognitive understanding but also the emotional resonance with the patient's situation. It is a crucial component of the physician-patient relationship, fostering trust, satisfaction, adherence to treatment plans, and better healthcare outcomes.

'Infant behavior' is not a medical term per se, but it does fall under the purview of child development and pediatrics. It generally refers to the actions or reactions of an infant (a child between birth and 12 months) in response to internal states (e.g., hunger, discomfort, fatigue) and external stimuli (e.g., people, objects, events).

Infant behavior can encompass a wide range of aspects including:

1. Reflexes: Automatic responses to certain stimuli, such as the rooting reflex (turning head towards touch on cheek) or startle reflex (abrupt muscle contraction).
2. Motor skills: Control and coordination of movements, from simple ones like lifting the head to complex ones like crawling.
3. Social-emotional development: Responses to social interactions, forming attachments, expressing emotions.
4. Communication: Using cries, coos, gestures, and later, words to communicate needs and feelings.
5. Cognitive development: Problem-solving skills, memory, attention, and perception.

Understanding typical infant behavior is crucial for parental education, childcare, early intervention when there are concerns, and overall child development research.

"Facies" is a medical term that refers to the typical appearance of a person or part of the body, particularly the face, which may provide clues about their underlying medical condition or genetic background. A specific facies is often associated with certain syndromes or disorders. For example, a "downsyndrome facies" refers to the distinctive facial features commonly found in individuals with Down syndrome, such as a flattened nasal bridge, almond-shaped eyes, and an upward slant to the eyelids.

It's important to note that while facies can provide valuable diagnostic information, it should be used in conjunction with other clinical findings and genetic testing to make a definitive diagnosis. Additionally, facies should be described objectively and without judgment, as they are simply physical characteristics associated with certain medical conditions.

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.

In medical terms, the term "voice" refers to the sound produced by vibration of the vocal cords caused by air passing out from the lungs during speech, singing, or breathing. It is a complex process that involves coordination between respiratory, phonatory, and articulatory systems. Any damage or disorder in these systems can affect the quality, pitch, loudness, and flexibility of the voice.

The medical field dealing with voice disorders is called Phoniatrics or Voice Medicine. Voice disorders can present as hoarseness, breathiness, roughness, strain, weakness, or a complete loss of voice, which can significantly impact communication, social interaction, and quality of life.

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.

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.

"Galago" is not a term used in human or animal medicine. It is the scientific name for a group of small, nocturnal primates native to continental Africa, also known as bushbabies or nagapies. They are not typically associated with medical conditions or treatments. If you have any questions about primatology or zoology, I would be happy to try and help answer those!

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 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.

Confusion is a state of bewilderment or disorientation in which a person has difficulty processing information, understanding their surroundings, and making clear decisions. It can be caused by various medical conditions such as infections, brain injury, stroke, dementia, alcohol or drug intoxication or withdrawal, and certain medications. Confusion can also occur in older adults due to age-related changes in the brain.

In medical terms, confusion is often referred to as "acute confusional state" or "delirium." It is characterized by symptoms such as difficulty paying attention, memory loss, disorientation, hallucinations, and delusions. Confusion can be a serious medical condition that requires immediate evaluation and treatment by a healthcare professional.

A phobic disorder is a type of anxiety disorder characterized by an excessive and irrational fear or avoidance of specific objects, situations, or activities. This fear can cause significant distress and interfere with a person's daily life. Phobic disorders are typically classified into three main categories: specific phobias (such as fear of heights, spiders, or needles), social phobia (or social anxiety disorder), and agoraphobia (fear of open spaces or situations where escape might be difficult).

People with phobic disorders often recognize that their fear is excessive or unreasonable, but they are unable to control it. When exposed to the feared object or situation, they may experience symptoms such as rapid heartbeat, sweating, trembling, and difficulty breathing. These symptoms can be so distressing that individuals with phobic disorders go to great lengths to avoid the feared situation, which can have a significant impact on their quality of life.

Treatment for phobic disorders typically involves cognitive-behavioral therapy (CBT), which helps individuals identify and challenge their irrational thoughts and fears, as well as exposure therapy, which gradually exposes them to the feared object or situation in a safe and controlled environment. In some cases, medication may also be recommended to help manage symptoms of anxiety.

Personal Construct Theory (PCT) is not a medical term per se, but rather a psychological theory developed by George Kelly in the 1950s. It is a theory of personality and psychotherapy that emphasizes an individual's unique way of construing or making sense of their experiences. According to PCT, people are active scientists who constantly test their assumptions about the world through their personal construct systems.

In medical settings, PCT may be used as a framework for understanding patients' perspectives and beliefs about their illnesses and treatments. This can help healthcare professionals tailor interventions to individual patients' needs and improve communication and collaboration between patients and healthcare providers. However, it is important to note that PCT is not a widely recognized or established medical concept, but rather a psychological theory that has been applied in various fields, including healthcare.

In medical terms, imitative behavior is also known as "echopraxia." It refers to the involuntary or unconscious repetition of another person's movements or actions. This copying behavior is usually seen in individuals with certain neurological conditions, such as Tourette syndrome, autism spectrum disorder, or after suffering a brain injury. Echopraxia should not be confused with mimicry, which is a voluntary and intentional imitation of someone else's behaviors.

Behavioral research is a branch of scientific study that focuses on observing and analyzing the behaviors of humans and animals in various situations. This type of research aims to understand the underlying factors that influence, shape, and motivate behavior, including cognitive processes, emotional responses, and environmental influences. In medical terms, behavioral research can be used to investigate how certain behaviors or lifestyle factors may contribute to the development, prevention, or management of health conditions. This may include studying patterns of substance use, dietary habits, physical activity levels, adherence to medical treatments, and other health-related behaviors. The goal of behavioral research in a medical context is often to develop interventions or strategies that can help promote positive health behaviors and improve overall health outcomes.

Perceptual distortion is not explicitly defined within the realm of medicine, but it does fall under the broader category of cognitive impairments and abnormalities. It generally refers to the incorrect interpretation or misrepresentation of sensory information by the brain. This can result in various experiences such as hallucinations, illusions, or distorted perceptions of reality. Perceptual distortions are often associated with certain medical conditions like mental disorders (e.g., schizophrenia, bipolar disorder), neurological disorders (e.g., migraines, epilepsy), and substance use disorders.

Animal communication is the transmission of information from one animal to another. This can occur through a variety of means, including visual, auditory, tactile, and chemical signals. For example, animals may use body postures, facial expressions, vocalizations, touch, or the release of chemicals (such as pheromones) to convey messages to conspecifics.

Animal communication can serve a variety of functions, including coordinating group activities, warning others of danger, signaling reproductive status, and establishing social hierarchies. In some cases, animal communication may also involve the use of sophisticated cognitive abilities, such as the ability to understand and interpret complex signals or to learn and remember the meanings of different signals.

It is important to note that while animals are capable of communicating with one another, this does not necessarily mean that they have language in the same sense that humans do. Language typically involves a system of arbitrary symbols that are used to convey meaning, and it is not clear to what extent animals are able to use such symbolic systems. However, many animals are certainly able to communicate effectively using their own species-specific signals and behaviors.

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.

Electroencephalography (EEG) is a medical procedure that records electrical activity in the brain. It uses small, metal discs called electrodes, which are attached to the scalp with paste or a specialized cap. These electrodes detect tiny electrical charges that result from the activity of brain cells, and the EEG machine then amplifies and records these signals.

EEG is used to diagnose various conditions related to the brain, such as seizures, sleep disorders, head injuries, infections, and degenerative diseases like Alzheimer's or Parkinson's. It can also be used during surgery to monitor brain activity and ensure that surgical procedures do not interfere with vital functions.

EEG is a safe and non-invasive procedure that typically takes about 30 minutes to an hour to complete, although longer recordings may be necessary in some cases. Patients are usually asked to relax and remain still during the test, as movement can affect the quality of the recording.

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.

In medical terms, the mouth is officially referred to as the oral cavity. It is the first part of the digestive tract and includes several structures: the lips, vestibule (the space enclosed by the lips and teeth), teeth, gingiva (gums), hard and soft palate, tongue, floor of the mouth, and salivary glands. The mouth is responsible for several functions including speaking, swallowing, breathing, and eating, as it is the initial point of ingestion where food is broken down through mechanical and chemical processes, beginning the digestive process.

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.

Ocular fixation is a term used in ophthalmology and optometry to refer to the ability of the eyes to maintain steady gaze or visual focus on an object. It involves the coordinated movement of the extraocular muscles that control eye movements, allowing for clear and stable vision.

In medical terminology, fixation specifically refers to the state in which the eyes are aligned and focused on a single point in space. This is important for maintaining visual perception and preventing blurring or double vision. Ocular fixation can be affected by various factors such as muscle weakness, nerve damage, or visual processing disorders.

Assessment of ocular fixation is often used in eye examinations to evaluate visual acuity, eye alignment, and muscle function. Abnormalities in fixation may indicate the presence of underlying eye conditions or developmental delays that require further investigation and treatment.

Functional neuroimaging is a branch of medical imaging that involves the use of various techniques to measure and visualize the metabolic activity or blood flow in different regions of the brain. These measurements can be used to infer the level of neural activation in specific brain areas, allowing researchers and clinicians to study the functioning of the brain in various states, such as during rest, cognitive tasks, or disease processes.

Some common functional neuroimaging techniques include:

1. Functional Magnetic Resonance Imaging (fMRI): This technique uses magnetic fields and radio waves to measure changes in blood flow and oxygenation levels in the brain, which are associated with neural activity.
2. Positron Emission Tomography (PET): This technique involves the injection of a small amount of radioactive tracer into the body, which is taken up by active brain cells. The resulting gamma rays are then detected and used to create images of brain activity.
3. Single-Photon Emission Computed Tomography (SPECT): Similar to PET, SPECT uses a radioactive tracer to measure blood flow in the brain, but with lower resolution and sensitivity.
4. Functional Near-Infrared Spectroscopy (fNIRS): This technique uses near-infrared light to measure changes in oxygenation levels in the brain, providing a non-invasive and relatively inexpensive method for studying brain function.

Functional neuroimaging has numerous applications in both research and clinical settings, including the study of cognitive processes, the diagnosis and monitoring of neurological and psychiatric disorders, and the development of new treatments and interventions.

"Pan troglodytes" is the scientific name for a species of great apes known as the Common Chimpanzee. They are native to tropical rainforests in Western and Central Africa. Common Chimpanzees are our closest living relatives, sharing about 98.6% of our DNA. They are highly intelligent and social animals, capable of using tools, exhibiting complex behaviors, and displaying a range of emotions.

Here is a medical definition for 'Pan troglodytes':

The scientific name for the Common Chimpanzee species (genus Pan), a highly intelligent and social great ape native to tropical rainforests in Western and Central Africa. They are our closest living relatives, sharing approximately 98.6% of our DNA. Known for their complex behaviors, tool use, and emotional expression, Common Chimpanzees have been extensively studied in the fields of anthropology, psychology, and primatology to better understand human evolution and behavior.

Theory of Mind (ToM) is not a medical term per se, but rather a concept from psychology and cognitive science. It refers to the ability to attribute mental states to oneself and others, understanding that others have beliefs, desires, intentions, and perspectives that are different from one's own. This cognitive skill enables us to explain and predict people's behaviors based on their mental states, fostering social cognition and interaction.

While ToM is not a medical definition itself, impairments in Theory of Mind have been associated with various medical and neurodevelopmental conditions, such as autism spectrum disorder (ASD), schizophrenia, and other psychiatric disorders. In these cases, difficulties in understanding others' mental states may lead to challenges in social communication and interaction.

Social behavior disorders are a category of mental health conditions that are characterized by significant and persistent patterns of socially disruptive behavior. These behaviors may include aggression, impulsivity, defiance, and opposition to authority, which can interfere with an individual's ability to function in social, academic, or occupational settings.

Social behavior disorders can manifest in a variety of ways, depending on the age and developmental level of the individual. In children and adolescents, common examples include oppositional defiant disorder (ODD), conduct disorder (CD), and disruptive mood dysregulation disorder (DMDD). Adults with social behavior disorders may exhibit antisocial personality disorder or other related conditions.

It is important to note that social behavior disorders are not the result of poor parenting or a lack of discipline, but rather are thought to be caused by a combination of genetic, environmental, and neurobiological factors. Treatment for social behavior disorders typically involves a combination of behavioral therapy, medication, and social skills training.

Speech is the vocalized form of communication using sounds and words to express thoughts, ideas, and feelings. It involves the articulation of sounds through the movement of muscles in the mouth, tongue, and throat, which are controlled by nerves. Speech also requires respiratory support, phonation (vocal cord vibration), and prosody (rhythm, stress, and intonation).

Speech is a complex process that develops over time in children, typically beginning with cooing and babbling sounds in infancy and progressing to the use of words and sentences by around 18-24 months. Speech disorders can affect any aspect of this process, including articulation, fluency, voice, and language.

In a medical context, speech is often evaluated and treated by speech-language pathologists who specialize in diagnosing and managing communication disorders.

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.

Galvanic Skin Response (GSR), also known as Electrodermal Activity (EDA), is a physiological response that reflects the activation of the sympathetic nervous system. It measures changes in the electrical properties of the skin, which are influenced by the sweat gland activity. GSR is often used as an indicator of emotional arousal or psychological stress in various research and clinical settings.

Anhedonia is a medical term that describes the inability to feel pleasure. It is a common symptom of depression and other mental health disorders, such as schizophrenia. Anhedonia can manifest as a lack of interest in activities that were once enjoyed, a reduced ability to experience pleasure from social interactions or sexual activity, or an inability to feel positive emotions like happiness or joy.

Anhedonia is different from simply feeling sad or down. It is a more profound and persistent loss of the ability to experience pleasure, which can significantly impact a person's quality of life and overall well-being. The exact cause of anhedonia is not fully understood, but it is believed to be related to changes in brain chemistry and function, particularly in areas involved in reward processing and motivation. Treatment for anhedonia typically involves addressing the underlying mental health condition, such as depression or schizophrenia, through a combination of medication and therapy.

Heredity, in medical terms, refers to the passing on of genetic characteristics from parents to their offspring through the transmission of genes. These genes carry the information that determines many traits, such as eye color, hair color, height, and certain health conditions. Heredity plays a significant role in understanding the causes of various diseases and disorders, as some are strongly influenced by genetic factors. However, it's important to note that environmental factors can also interact with genetic predispositions to influence the expression of these traits.

Agnosia is a medical term that refers to the inability to recognize or comprehend the meaning or significance of sensory stimuli, even though the specific senses themselves are intact. It is a higher-level cognitive disorder, caused by damage to certain areas of the brain that are responsible for processing and interpreting information from our senses.

There are different types of agnosia, depending on which sense is affected:

* Visual agnosia: The inability to recognize or identify objects, faces, or shapes based on visual input.
* Auditory agnosia: The inability to understand spoken language or recognize sounds, even though hearing is intact.
* Tactile agnosia: The inability to recognize objects by touch, despite normal tactile sensation.
* Olfactory and gustatory agnosia: The inability to identify smells or tastes, respectively, even though the senses of smell and taste are functioning normally.

Agnosia can result from various causes, including stroke, brain injury, infection, degenerative diseases, or tumors that damage specific areas of the brain involved in sensory processing and interpretation. Treatment for agnosia typically focuses on rehabilitation and compensation strategies to help individuals adapt to their deficits and improve their quality of life.

'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.

Interpersonal relations, in the context of medicine and healthcare, refer to the interactions and relationships between patients and healthcare professionals, as well as among healthcare professionals themselves. These relationships are crucial in the delivery of care and can significantly impact patient outcomes. Positive interpersonal relations can lead to improved communication, increased trust, greater patient satisfaction, and better adherence to treatment plans. On the other hand, negative or strained interpersonal relations can result in poor communication, mistrust, dissatisfaction, and non-adherence.

Healthcare professionals are trained to develop effective interpersonal skills, including active listening, empathy, respect, and cultural sensitivity, to build positive relationships with their patients. Effective interpersonal relations also involve clear and concise communication, setting appropriate boundaries, and managing conflicts in a constructive manner. In addition, positive interpersonal relations among healthcare professionals can promote collaboration, teamwork, and knowledge sharing, leading to improved patient care and safety.

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.

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.

In the context of medicine and psychology, perception refers to the neurophysiological processes, cognitive abilities, and psychological experiences that enable an individual to interpret and make sense of sensory information from their environment. It involves the integration of various stimuli such as sight, sound, touch, taste, and smell to form a coherent understanding of one's surroundings, objects, events, or ideas.

Perception is a complex and active process that includes attention, pattern recognition, interpretation, and organization of sensory information. It can be influenced by various factors, including prior experiences, expectations, cultural background, emotional states, and cognitive biases. Alterations in perception may occur due to neurological disorders, psychiatric conditions, sensory deprivation or overload, drugs, or other external factors.

In a clinical setting, healthcare professionals often assess patients' perceptions of their symptoms, illnesses, or treatments to develop individualized care plans and improve communication and adherence to treatment recommendations.

Facial transplantation is a surgical procedure that involves replacing all or part of a patient's face with facial tissue from a deceased donor. The procedure typically includes the skin, muscles, nerves, and bones of the face, and may also include the eyes and eyelids, ears, and tongue. Facial transplantation is performed to significantly improve the appearance and function of a person's face, usually in cases where the patient has suffered severe facial trauma or disfigurement due to burns, cancer, or other medical conditions.

The procedure requires extensive planning, coordination, and expertise from a multidisciplinary team of healthcare professionals, including plastic surgeons, transplant specialists, anesthesiologists, nurses, psychiatrists, and rehabilitation therapists. The surgery itself can take up to 30 hours or more, depending on the extent of the transplant.

Following the procedure, patients must undergo rigorous immunosuppressive therapy to prevent their immune system from rejecting the donor tissue. This involves taking medications that weaken the immune system and make the patient more susceptible to infections and other complications. Despite these risks, facial transplantation has been shown to significantly improve the quality of life for some patients who have undergone the procedure.

Eye movements, also known as ocular motility, refer to the voluntary or involuntary motion of the eyes that allows for visual exploration of our environment. There are several types of eye movements, including:

1. Saccades: rapid, ballistic movements that quickly shift the gaze from one point to another.
2. Pursuits: smooth, slow movements that allow the eyes to follow a moving object.
3. Vergences: coordinated movements of both eyes in opposite directions, usually in response to a three-dimensional stimulus.
4. Vestibulo-ocular reflex (VOR): automatic eye movements that help stabilize the gaze during head movement.
5. Optokinetic nystagmus (OKN): rhythmic eye movements that occur in response to large moving visual patterns, such as when looking out of a moving vehicle.

Abnormalities in eye movements can indicate neurological or ophthalmological disorders and are often assessed during clinical examinations.

"Academies and Institutes" in a medical context typically refer to organizations that are dedicated to advancing knowledge, research, and education in a specific field of medicine or healthcare. These organizations often bring together experts and leaders in the field to share knowledge, conduct research, and develop guidelines or policies. They may also provide training and certification for healthcare professionals.

Examples of medical academies and institutes include:

* The National Academy of Medicine (NAM) in the United States, which provides independent, objective analysis and advice to the nation on medical and health issues.
* The Royal College of Physicians (RCP) in the United Kingdom, which is a professional body dedicated to improving the practice of medicine, with a particular focus on physicians.
* The American Heart Association (AHA) and the American College of Cardiology (ACC), which are two leading organizations focused on cardiovascular disease and healthcare.
* The World Health Organization (WHO) is an international organization that coordinates and directs global health activities, including research, policy-making, and service delivery.

These institutions play a crucial role in shaping medical practice and policy by providing evidence-based recommendations and guidelines, as well as training and certification for healthcare professionals.

I'm sorry for any confusion, but "videotape recording" is not a term that has a specific medical definition. Videotape recording is a general technology term that refers to the process of capturing and storing visual and/or audio content on magnetic tape in the form of a videocassette.

In a medical context, videotape recordings might be used for various purposes, such as documenting medical procedures or patient consultations, creating educational materials, or conducting research. However, the use of videotape recording in these situations would not change the fundamental meaning of the term.

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.

A nursing assessment is the process of collecting and analyzing data about a patient's health status, including their physical, psychological, social, cultural, and emotional needs. This information is used to identify actual or potential health problems, develop a plan of care, and evaluate the effectiveness of interventions. Nursing assessments may include observing and documenting the patient's vital signs, appearance, behavior, mobility, nutrition, elimination, comfort level, cognitive status, and emotional well-being. They are typically conducted upon admission to a healthcare facility, during transitions of care, and on a regular basis throughout the course of treatment to ensure that the patient's needs are being met and that any changes in their condition are promptly identified and addressed.

In the context of medicine, "narration" typically refers to the description or telling of a patient's history, symptoms, and course of illness. It is the process of recounting the important medical events and experiences related to a patient's health status. This information is usually gathered through interviews, physical examinations, and review of medical records. The resulting narrative can help healthcare providers understand the patient's condition, make informed decisions about diagnosis and treatment, and provide appropriate care. However, it's important to note that "narration" itself is not a medical term, but rather a general term used in many fields including medicine.

The Analysis of Facial Feature Deformation using Optical Flow Algorithm. Dayang Nur Zulhijah Awang Jesemi, Hamimah Ujir, ... FaceInput: A Hand-Free and Secure Text Entry System through Facial Vibration ...
Computer processing of body language Facial expression capture Facial expression databases Facial expression detection Facial ... Wikiquote has quotations related to Facial expression. Wikimedia Commons has media related to Facial expressions. Facial ... However, the facial expressions used to test this hypothesis are posed. Studies of spontaneous facial expressions are rare and ... Journal of Medical Internet Research The JAFFE Database of Facial Expressions Facial expression analysis David Matsumoto and ...
Download free facial expression photos and vectors. Thousands of free images, photos and vectors. ... Handsome young man over isolated pink background with surprise facial expressionPLUS ... of young happy caucasian woman in yellow sweater on white background she is holding arms near face concept of positive facial ... portrait of beautiful adult woman with bun hairstyle holding palms on face and looking with nervous and troubled expression ...
... identified the facial expression of anxiety. The facial expression for the emotion of anxiety comprises an environmental ... Facial expression images were correctly matched in 89% of emotive scenario presentations on average. The facial expression ... identified the facial expression of anxiety. The facial expression for the emotion of anxiety comprises an environmental ... photos and videos of the facial expressions generated in response to the scenarios and asked to match the facial expressions ...
Do dynamic facial expressions of computer-generated avatars evoke different brain responses than dynamic facial expressions of ... Central to the processing of facial expressions and facial identity is a distributed network of brain regions that responds ... As such, it remains unclear whether dynamic facial expressions of avatars evoke different brain responses than dynamic facial ... the STS and the IFG to show stronger responses to dynamic human facial expressions than to dynamic avatar facial expressions. ...
Facial expressions -- RDoC Element. Type of Element: Behavior. The following construct(s)/subconstruct(s) refer to this element ... Home , Research , Research Funded by NIMH , Research Domain Criteria (RDoC) , Units of Analysis , Behaviors , Facial ...
... copy one anothers facial expressions as a means of communication. Few other animals are known to do this ... "Mimicking the facial expressions of others in exact ways is one of the pillars of human communication," says Marina Davila-Ross ... Sun bears copy each others facial expressions to communicate. By New Scientist and Press Association ... The worlds smallest bears copy one anothers facial expressions as a means of communication. ...
Cut and Paste: Facial Expressions and Feelings Overview. Cut out the faces and paste them under the correct word. Media PDF ...
... and can then translate expressions into emojis or silent speech commands. ... Researchers have invented an earphone that can continuously track full facial expressions by observing the contour of the ... Earphone tracks facial expressions, even with a face mask. Date:. October 13, 2020. Source:. Cornell University. Summary:. ... "Earphone tracks facial expressions, even with a face mask." ScienceDaily. www.sciencedaily.com. /. releases. /. 2020. /. 10. / ...
Angry facial expression of teenager with blond hair. Image EditorSave Comp ...
Researchers at Cornell University have developed an earphone that uses sonar to detect the wearers facial expression to create ... Researchers made a sonar-equipped earphone that can capture facial expressions. The earable bounces sound off the inside of ... They also aim to make EarIO a plug-and-play device but it currently needs 32 minutes of facial data training before the first ... EarIO can transmit the facial movements to a mobile device in real time and the avatar can be used in video calls. ...
Facial Expressions Clipart - view clipart file confused_facial_expression_gray_12_22812 - to download - Classroom Clipart ... confused facial expression clipart. Headline. confused facial expression Keywords. Facial Expressions confused expression face ... Explore our Newly added and Latest Emotions and Expressions Clipart Images. Yes! These can be found on our newly updated site. ...
Google is working on a new accessibility feature for Android that lets you control a phone using facial expressions like a ... According to XDA Developers, facial expressions (which also include looking left, right, or up) can be used to access a number ... And unlike voice commands, facial expressions are silent, which could make the controls easier to use in public or in quieter ... Google is developing a new accessibility feature for Android that lets you control a phone using facial expressions like a ...
Cortical Systems for the Recognition of Emotion in Facial Expressions Message Subject (Your Name) has forwarded a page to you ... Cortical Systems for the Recognition of Emotion in Facial Expressions. Ralph Adolphs, Hanna Damasio, Daniel Tranel and Antonio ... Cortical Systems for the Recognition of Emotion in Facial Expressions. Ralph Adolphs, Hanna Damasio, Daniel Tranel, Antonio R. ... Cortical Systems for the Recognition of Emotion in Facial Expressions. Ralph Adolphs, Hanna Damasio, Daniel Tranel, Antonio R. ...
announced an AI facial expression recognition technology that detects subtle changes in facial expression with a high degree of ... Fujitsu AI based Facial Expression Recognition Technology Detects Subtle Changes in Expressions Enterprise & IT Oct 15,2019 0 ... With the new AI facial expression recognition technology, images of the face taken at various angles, sizes, and positions are ... One of the obstacles for facial expression recognition technology is the difficulty in providing large amounts of data required ...
If you need a helping hand figuring out how to draw some facial expressions on your next character sheet then download the full ... The meaning and intensity of a characters facial expression can completely change just by adjusting the angle and tilt of the ... Character Mentor: Learn by Example to Use Expressions, Poses, and Staging to Bring Your Characters to Life [Paperback, 2012] ... it can solve half the equation of drawing CLEAR and ACCURATE facial expressions of your character. ...
This research identified five main methods of non-facial and non-verbal affective expression (body movements, postures, ... prescriptive design recommendations were developed for the appropriate non-facial and non-verbal affective expression methods ... Statistically significant results indicated that participants felt the robots that exhibited affective expressions were more ... These design recommendations serve as guidelines to add retroactively affective expression through software with minimal or no ...
People were no better at identifying a facial expression when emotional information coming from two sources was the same than ... regardless of whether the facial expression was displayed on a human face or on an avatar face. Finally, people were more ... conversational agent embodied conversational agents emotion emotions face recognition facial expression facial expressions gaze ... Interpreting Human and Avatar Facial Expressions. 11565 Avatar paper published in 2009 by Sylvie Noël, Sarah Dumoulin and Gitte ...
Download this Free Vector about Set of cute girl poses and facial expressions cartoon illustration, and discover more than 100 ... www.freepik.com/free-vector/set-cute-girl-poses-facial-expressions-cartoon-illustration_13282816.htm. ...
A facial expression results from one or more motions or positions of the muscles of the face. They are closely associated with ... Facial expressions are a form of nonverbal communication, and can be voluntary or involuntary. Most peoples success rate at ... Microexpressions, brief flashes of a facial expression, are likely to be involuntary and unconscious, and most people do not ... In the mid-20th century most anthropologists believed that facial expressions were entirely learned and could therefore differ ...
But how do we learn to imitate with any accuracy when we cant see our own facial expressions and we cant feel the facial ... Monkey See, Monkey Do: Visual Feedback Is Necessary for Imitating Facial Expressions. December 27, 2012. Association for ... When they achieved what they perceived to be the target expression, the participants recorded the attempt with the click of a ... videotaped participants as they recited jokes and then asked them to imitate four randomly selected facial expressions from ...
Keywords: attitude, countenance, emotion, expression, face, facial expression, feeling, feelings, gesture, nervous, nervousness ... Tense Facial Expression. Tense: to be emotionally strained or nervous. Modeled by Lorraine Montgomery.. Galleries: Emotions, ...
In this paper, a coarse-to-fine classification scheme is used to recognize facial expressions (angry, disgust, fear, happiness ... Finally, two of the seven basic expression classes are selected as the testing samples expression candidates (candidate pair ... corresponding to the seven basic facial expressions. Then, distances from each model vector to the feature vector of a testing ... A Coarse-to-Fine Classification Scheme for Facial Expression Recognition - Abstract. ...
Muscles of Facial Expression. The muscles of facial expression are unique in a number of ways. Rather than inserting into bones ... The facial musculature must work synergistically to allow for a wide range of facial expressions. The superficial ... CN VII, also known as the facial nerve, provides motor innervation to all the muscles of facial expression. CN VII also ... Its interaction with the muscles of facial expression leads to the development of STLs. Generally, STLs are perpendicular to ...
... Journal of Computer Science and ... Non-Frontal Facial Expression Recognition Using a Depth-Patch Based Deep Neural Network. Journal of Computer Science and ... Non-Frontal Facial Expression Recognition Using a Depth-Patch Based Deep Neural Network. Journal of Computer Science and ... Non-Frontal Facial Expression Recognition Using a Depth-Patch Based Deep Neural Network. Journal of Computer Science and ...
However, incongruent gestures have a stronger impact on the processing of facial expressions compared to facial expressions ... However, incongruent gestures have a stronger impact on the processing of facial expressions compared to facial expressions ... most of these studies have focused on the processing of facial expressions, and there has been scarce research on gesture or ... present study explored the processing characteristics and mechanism of the interaction between gestures and facial expressions ...
Smart glasses help kids with autism recognise facial expressions and emotions Stanford researchers develop artificially ... Children with autism find it difficult to recognise facial expressions, which means that they cannot read peoples emotions. ... there are still improvements to be made in the software such as refining the development of complex facial expression ... to help autistic people read facial expressions and emotions in real-time. ...
We found that the apparent complexity of dynamic facial expressions can be captured by a small number of simple spatiotemporal ... Using the latest in machine vision and systems modelling, we studied dynamic facial expressions of people viewing emotionally ... This approach provides a platform for translational research, capturing dynamic facial expressions under naturalistic ... Sequential expression of these states is common across individuals viewing the same film stimuli but varies in those with the ...
My Mom Helped Me Fight Facial Expression Sexism In High School, And Im Grateful. ... it was my facial expressions, which conveyed to him a lack of respect in large part due to insufficient smiling. ... she helped me see the importance of breaking down his facial expression misreads by establishing more of a personal connection ... entered mainstream vernacular in the early 2000s as a way to describe someone whose neutral facial expression conveys ...
... upon facial expression recognition in healthy volunteers. Methods: Facial expressions of six basic emotions, which had been " ... Administration of the beta-adrenoceptor blocker propranolol impairs the processing of facial expressions of sadness. *C.J. ... The amygdala has also been associated with the processing of facial expressions of emotion, particularly those of fear and ... in the absence of changes in speed to recognise other facial expressions of emotion. Subjective ratings of mood and alertness ...

No FAQ available that match "facial expression"

No images available that match "facial expression"