Psychology, Clinical: The branch of psychology concerned with psychological methods of recognizing and treating behavior disorders.Child Psychology: The study of normal and abnormal behavior of children.Psychology: The science dealing with the study of mental processes and behavior in man and animals.Psychology, Social: The branch of psychology concerned with the effects of group membership upon the behavior, attitudes, and beliefs of an individual.Psychology, Comparative: The branch of psychology concerned with similarities or differences in the behavior of different animal species or of different races or peoples.Psychology, Experimental: The branch of psychology which seeks to learn more about the fundamental causes of behavior by studying various psychologic phenomena in controlled experimental situations.Psychology, Educational: The branch of psychology concerned with psychological aspects of teaching and the formal learning process in school.Psychology, Medical: A branch of psychology in which there is collaboration between psychologists and physicians in the management of medical problems. It differs from clinical psychology, which is concerned with the diagnosis and treatment of behavior disorders.Psychology, Industrial: The branch of applied psychology concerned with the application of psychologic principles and methods to industrial problems including selection and training of workers, working conditions, etc.Psychological Theory: Principles applied to the analysis and explanation of psychological or behavioral phenomena.Behavioral Medicine: The interdisciplinary field concerned with the development and integration of behavioral and biomedical science, knowledge, and techniques relevant to health and illness and the application of this knowledge and these techniques to prevention, diagnosis, treatment, and rehabilitation.Education, Graduate: Studies beyond the bachelor's degree at an institution having graduate programs for the purpose of preparing for entrance into a specific field, and obtaining a higher degree.Economics, Behavioral: The combined discipline of psychology and economics that investigates what happens in markets in which some of the agents display human limitations and complications.Behavioral Sciences: Disciplines concerned with the study of human and animal behavior.Ecological and Environmental Phenomena: Ecological and environmental entities, characteristics, properties, relationships and processes.Neurosciences: The scientific disciplines concerned with the embryology, anatomy, physiology, biochemistry, pharmacology, etc., of the nervous system.Gestalt Theory: 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.Behaviorism: A psychologic theory, developed by John Broadus Watson, concerned with studying and measuring behaviors that are observable.Power Plants: Units that convert some other form of energy into electrical energy.Unconscious (Psychology): Those forces and content of the mind which are not ordinarily available to conscious awareness or to immediate recall.Power (Psychology): The exertion of a strong influence or control over others in a variety of settings--administrative, social, academic, etc.Behavioral Research: 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)Philosophy: A love or pursuit of wisdom. A search for the underlying causes and principles of reality. (Webster, 3d ed)Psychophysiology: The study of the physiological basis of human and animal behavior.Electric Power Supplies: Devices that control the supply of electric current for running electrical equipment.Cognitive Science: The study of the precise nature of different mental tasks and the operations of the brain that enable them to be performed, engaging branches of psychology, computer science, philosophy, and linguistics. (Random House Unabridged Dictionary, 2d ed)Self Psychology: Psychoanalytic theory focusing on interpretation of behavior in reference to self. (From APA, Thesaurus of Psychological Terms, 1994) This elaboration of the psychoanalytic concepts of narcissism and the self, was developed by Heinz Kohut, and stresses the importance of the self-awareness of excessive needs for approval and self-gratification.Displacement (Psychology): The process by which an emotional or behavioral response that is appropriate for one situation appears in another situation for which it is inappropriate.Psychology, Military: The branch of applied psychology concerned with psychological aspects of selection, assignment, training, morale, etc., of Armed Forces personnel.Psychology, Applied: The science which utilizes psychologic principles to derive more effective means in dealing with practical problems.Models, Psychological: Theoretical representations that simulate psychological processes and/or social processes. These include the use of mathematical equations, computers, and other electronic equipment.Codependency (Psychology): A relational pattern in which a person attempts to derive a sense of purpose through relationships with others.Latency Period (Psychology): The period from about 5 to 7 years to adolescence when there is an apparent cessation of psychosexual development.Research: Critical and exhaustive investigation or experimentation, having for its aim the discovery of new facts and their correct interpretation, the revision of accepted conclusions, theories, or laws in the light of newly discovered facts, or the practical application of such new or revised conclusions, theories, or laws. (Webster, 3d ed)Neurobiology: The study of the structure, growth, activities, and functions of NEURONS and the NERVOUS SYSTEM.Adolescent Psychology: Field of psychology concerned with the normal and abnormal behavior of adolescents. It includes mental processes as well as observable responses.Personal Construct Theory: 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)Introversion (Psychology): A state in which attention is largely directed inward upon one's self.Character: In current usage, approximately equivalent to personality. The sum of the relatively fixed personality traits and habitual modes of response of an individual.Psychotherapy: A generic term for the treatment of mental illness or emotional disturbances primarily by verbal or nonverbal communication.Neuropsychology: A branch of psychology which investigates the correlation between experience or behavior and the basic neurophysiological processes. The term neuropsychology stresses the dominant role of the nervous system. It is a more narrowly defined field than physiological psychology or psychophysiology.Criminal Psychology: The branch of psychology which investigates the psychology of crime with particular reference to the personality factors of the criminal.Research Design: A plan for collecting and utilizing data so that desired information can be obtained with sufficient precision or so that an hypothesis can be tested properly.Ethics, Professional: The principles of proper conduct concerning the rights and duties of the professional, relations with patients or consumers and fellow practitioners, as well as actions of the professional and interpersonal relations with patient or consumer families. (From Stedman, 25th ed)Cognition: Intellectual or mental process whereby an organism obtains knowledge.Ego: The conscious portion of the personality structure which serves to mediate between the demands of the primitive instinctual drives, (the id), of internalized parental and social prohibitions or the conscience, (the superego), and of reality.Identification (Psychology): A process by which an individual unconsciously endeavors to pattern himself after another. This process is also important in the development of the personality, particularly the superego or conscience, which is modeled largely on the behavior of adult significant others.Retention (Psychology): The persistence to perform a learned behavior (facts or experiences) after an interval has elapsed in which there has been no performance or practice of the behavior.Child Psychiatry: The medical science that deals with the origin, diagnosis, prevention, and treatment of mental disorders in children.Dissertations, Academic as Topic: Dissertations embodying results of original research and especially substantiating a specific view, e.g., substantial papers written by candidates for an academic degree under the individual direction of a professor or papers written by undergraduates desirous of achieving honors or distinction.Judgment: 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.Discrimination (Psychology): Differential response to different stimuli.Cultural Evolution: The continuous developmental process of a culture from simple to complex forms and from homogeneous to heterogeneous qualities.Adaptation, Psychological: A state of harmony between internal needs and external demands and the processes used in achieving this condition. (From APA Thesaurus of Psychological Index Terms, 8th ed)Regression (Psychology): A return to earlier, especially to infantile, patterns of thought or behavior, or stage of functioning, e.g., feelings of helplessness and dependency in a patient with a serious physical illness. (From APA, Thesaurus of Psychological Index Terms, 1994).Societies, Scientific: Societies whose membership is limited to scientists.Happiness: Highly pleasant emotion characterized by outward manifestations of gratification; joy.Nuclear Power Plants: Facilities that convert NUCLEAR ENERGY into electrical energy.Aspirations (Psychology): Strong desires to accomplish something. This usually pertains to greater values or high ideals.Social Sciences: Disciplines concerned with the interrelationships of individuals in a social environment including social organizations and institutions. Includes Sociology and Anthropology.Race Relations: Cultural contacts between people of different races.Systems Theory: Principles, models, and laws that apply to complex interrelationships and interdependencies of sets of linked components which form a functioning whole, a system. Any system may be composed of components which are systems in their own right (sub-systems), such as several organs within an individual organism.Education, Nursing: Use for general articles concerning nursing education.Personality: Behavior-response patterns that characterize the individual.Knowledge: The body of truths or facts accumulated in the course of time, the cumulated sum of information, its volume and nature, in any civilization, period, or country.Psychoanalytic Theory: Conceptual system developed by Freud and his followers in which unconscious motivations are considered to shape normal and abnormal personality development and behavior.Bibliometrics: The use of statistical methods in the analysis of a body of literature to reveal the historical development of subject fields and patterns of authorship, publication, and use. Formerly called statistical bibliography. (from The ALA Glossary of Library and Information Science, 1983)Morals: Standards of conduct that distinguish right from wrong.Behavior: The observable response of a man or animal to a situation.Schizophrenic Psychology: Study of mental processes and behavior of schizophrenics.Imprinting (Psychology): A particular kind of learning characterized by occurrence in very early life, rapidity of acquisition, and relative insusceptibility to forgetting or extinction. Imprinted behavior includes most (or all) behavior commonly called instinctive, but imprinting is used purely descriptively.Transference (Psychology): The unconscious transfer to others (including psychotherapists) of feelings and attitudes which were originally associated with important figures (parents, siblings, etc.) in one's early life.Thinking: Mental activity, not predominantly perceptual, by which one apprehends some aspect of an object or situation based on past learning and experience.Periodicals as Topic: A publication issued at stated, more or less regular, intervals.Social Perception: The perceiving of attributes, characteristics, and behaviors of one's associates or social groups.Social Behavior: Any behavior caused by or affecting another individual, usually of the same species.BooksPsychiatry: The medical science that deals with the origin, diagnosis, prevention, and treatment of mental disorders.Motivation: Those factors which cause an organism to behave or act in either a goal-seeking or satisfying manner. They may be influenced by physiological drives or by external stimuli.Countertransference (Psychology): Conscious or unconscious emotional reaction of the therapist to the patient which may interfere with treatment. (APA, Thesaurus of Psychological Index Terms, 8th ed.)History, 20th Century: Time period from 1901 through 2000 of the common era.Professional Competence: The capability to perform the duties of one's profession generally, or to perform a particular professional task, with skill of an acceptable quality.Models, Theoretical: Theoretical representations that simulate the behavior or activity of systems, processes, or phenomena. They include the use of mathematical equations, computers, and other electronic equipment.Interpersonal Relations: The reciprocal interaction of two or more persons.Forgiveness: Excusing or pardoning for an offense or release of anger or resentment.Evidence-Based Medicine: An approach of practicing medicine with the goal to improve and evaluate patient care. It requires the judicious integration of best research evidence with the patient's values to make decisions about medical care. This method is to help physicians make proper diagnosis, devise best testing plan, choose best treatment and methods of disease prevention, as well as develop guidelines for large groups of patients with the same disease. (from JAMA 296 (9), 2006)Knowledge of Results (Psychology): A principle that learning is facilitated when the learner receives immediate evaluation of learning performance. The concept also hypothesizes that learning is facilitated when the learner is promptly informed whether a response is correct, and, if incorrect, of the direction of error.Personal Satisfaction: The individual's experience of a sense of fulfillment of a need or want and the quality or state of being satisfied.Models, Statistical: Statistical formulations or analyses which, when applied to data and found to fit the data, are then used to verify the assumptions and parameters used in the analysis. Examples of statistical models are the linear model, binomial model, polynomial model, two-parameter model, etc.Decision Making: The process of making a selective intellectual judgment when presented with several complex alternatives consisting of several variables, and usually defining a course of action or an idea.History, 19th Century: Time period from 1801 through 1900 of the common era.Reproducibility of Results: The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results.Social Environment: The aggregate of social and cultural institutions, forms, patterns, and processes that influence the life of an individual or community.Cooperative Behavior: The interaction of two or more persons or organizations directed toward a common goal which is mutually beneficial. An act or instance of working or acting together for a common purpose or benefit, i.e., joint action. (From Random House Dictionary Unabridged, 2d ed)Concept Formation: A cognitive process involving the formation of ideas generalized from the knowledge of qualities, aspects, and relations of objects.Allied Health Occupations: Occupations of medical personnel who are not physicians, and are qualified by special training and, frequently, by licensure to work in supporting roles in the health care field. These occupations include, but are not limited to, medical technology, physical therapy, physician assistant, etc.Science: The study of natural phenomena by observation, measurement, and experimentation.Emotions: Those affective states which can be experienced and have arousing and motivational properties.Creativity: The ability to generate new ideas or images.Computer Simulation: Computer-based representation of physical systems and phenomena such as chemical processes.Psychopathology: The study of significant causes and processes in the development of mental illness.Decision Theory: A theoretical technique utilizing a group of related constructs to describe or prescribe how individuals or groups of people choose a course of action when faced with several alternatives and a variable amount of knowledge about the determinants of the outcomes of those alternatives.Mentors: Senior professionals who provide guidance, direction and support to those persons desirous of improvement in academic positions, administrative positions or other career development situations.Psychopharmacology: The study of the effects of drugs on mental and behavioral activity.Questionnaires: Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.Games, Experimental: Games designed to provide information on hypotheses, policies, procedures, or strategies.Resilience, Psychological: The human ability to adapt in the face of tragedy, trauma, adversity, hardship, and ongoing significant life stressors.Denial (Psychology): Refusal to admit the truth or reality of a situation or experience.Hypnosis: A state of increased receptivity to suggestion and direction, initially induced by the influence of another person.Interdisciplinary Communication: Communication, in the sense of cross-fertilization of ideas, involving two or more academic disciplines (such as the disciplines that comprise the cross-disciplinary field of bioethics, including the health and biological sciences, the humanities, and the social sciences and law). Also includes problems in communication stemming from differences in patterns of language usage in different academic or medical disciplines.Empirical Research: The study, based on direct observation, use of statistical records, interviews, or experimental methods, of actual practices or the actual impact of practices or policies.Choice Behavior: The act of making a selection among two or more alternatives, usually after a period of deliberation.Teaching: The educational process of instructing.Altruism: Consideration and concern for others, as opposed to self-love or egoism, which can be a motivating influence.Human Engineering: The science of designing, building or equipping mechanical devices or artificial environments to the anthropometric, physiological, or psychological requirements of the people who will use them.Students: Individuals enrolled in a school or formal educational program.Brain: 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.Behavior Therapy: The application of modern theories of learning and conditioning in the treatment of behavior disorders.Attitude: An enduring, learned predisposition to behave in a consistent way toward a given class of objects, or a persistent mental and/or neural state of readiness to react to a certain class of objects, not as they are but as they are conceived to be.Self Concept: A person's view of himself.Individuality: Those psychological characteristics which differentiate individuals from one another.Affect: 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.Students, Health Occupations: Individuals enrolled in a school or formal educational program in the health occupations.Data Interpretation, Statistical: Application of statistical procedures to analyze specific observed or assumed facts from a particular study.Psychometrics: Assessment of psychological variables by the application of mathematical procedures.Attention: Focusing on certain aspects of current experience to the exclusion of others. It is the act of heeding or taking notice or concentrating.Universities: Educational institutions providing facilities for teaching and research and authorized to grant academic degrees.Neurophysiology: The scientific discipline concerned with the physiology of the nervous system.Visual Perception: The selecting and organizing of visual stimuli based on the individual's past experience.Reaction Time: The time from the onset of a stimulus until a response is observed.Motivational Interviewing: It is a client-centered, directive method for eliciting intrinsic motivation to change using open-ended questions, reflective listening, and decisional balancing. This nonjudgmental, nonconfrontational interviewing style is designed to minimize a patient's resistance to change by creating an interaction that supports open discussion of risky or problem behavior.Learning: Relatively permanent change in behavior that is the result of past experience or practice. The concept includes the acquisition of knowledge.Dependency (Psychology): The tendency of an individual or individuals to rely on others for advice, guidance, or support.Sample Size: The number of units (persons, animals, patients, specified circumstances, etc.) in a population to be studied. The sample size should be big enough to have a high likelihood of detecting a true difference between two groups. (From Wassertheil-Smoller, Biostatistics and Epidemiology, 1990, p95)Publishing: "The business or profession of the commercial production and issuance of literature" (Webster's 3d). It includes the publisher, publication processes, editing and editors. Production may be by conventional printing methods or by electronic publishing.Community Mental Health Services: Diagnostic, therapeutic and preventive mental health services provided for individuals in the community.Mental Processes: Conceptual functions or thinking in all its forms.Biological Evolution: The process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics.Habits: Acquired or learned responses which are regularly manifested.Analysis of Variance: A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable.Memory: Complex mental function having four distinct phases: (1) memorizing or learning, (2) retention, (3) recall, and (4) recognition. Clinically, it is usually subdivided into immediate, recent, and remote memory.Psychophysiologic Disorders: A group of disorders characterized by physical symptoms that are affected by emotional factors and involve a single organ system, usually under AUTONOMIC NERVOUS SYSTEM control. (American Psychiatric Glossary, 1988)Uncertainty: The condition in which reasonable knowledge regarding risks, benefits, or the future is not available.Culture: A collective expression for all behavior patterns acquired and socially transmitted through symbols. Culture includes customs, traditions, and language.Personal Autonomy: Self-directing freedom and especially moral independence. An ethical principle holds that the autonomy of persons ought to be respected. (Bioethics Thesaurus)Set (Psychology): Readiness to think or respond in a predetermined way when confronted with a problem or stimulus situation.Mental Disorders: Psychiatric illness or diseases manifested by breakdowns in the adaptational process expressed primarily as abnormalities of thought, feeling, and behavior producing either distress or impairment of function.Health: The state of the organism when it functions optimally without evidence of disease.Competency-Based Education: Educational programs designed to ensure that students attain prespecified levels of competence in a given field or training activity. Emphasis is on achievement or specified objectives.Biomedical Research: Research that involves the application of the natural sciences, especially biology and physiology, to medicine.Electroencephalography: 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.Social Values: Abstract standards or empirical variables in social life which are believed to be important and/or desirable.Rejection (Psychology): Non-acceptance, negative attitudes, hostility or excessive criticism of the individual which may precipitate feelings of rejection.Perception: The process by which the nature and meaning of sensory stimuli are recognized and interpreted.Personality Assessment: The determination and evaluation of personality attributes by interviews, observations, tests, or scales. Articles concerning personality measurement are considered to be within scope of this term.Mental Health: The state wherein the person is well adjusted.Sick Role: Set of expectations that exempt persons from responsibility for their illness and exempt them from usual responsibilities.Psychological Tests: Standardized tests designed to measure abilities, as in intelligence, aptitude, and achievement tests, or to evaluate personality traits.United StatesAggression: Behavior which may be manifested by destructive and attacking action which is verbal or physical, by covert attitudes of hostility or by obstructionism.Handling (Psychology): Physical manipulation of animals and humans to induce a behavioral or other psychological reaction. In experimental psychology, the animal is handled to induce a stress situation or to study the effects of "gentling" or "mothering".Problem Solving: A learning situation involving more than one alternative from which a selection is made in order to attain a specific goal.Time Factors: Elements of limited time intervals, contributing to particular results or situations.Brain Mapping: Imaging techniques used to colocalize sites of brain functions or physiological activity with brain structures.Extraversion (Psychology): A state in which attention is largely directed outward from the self.Statistics as Topic: The science and art of collecting, summarizing, and analyzing data that are subject to random variation. The term is also applied to the data themselves and to the summarization of the data.Cognitive Therapy: A direct form of psychotherapy based on the interpretation of situations (cognitive structure of experiences) that determine how an individual feels and behaves. It is based on the premise that cognition, the process of acquiring knowledge and forming beliefs, is a primary determinant of mood and behavior. The therapy uses behavioral and verbal techniques to identify and correct negative thinking that is at the root of the aberrant behavior.Empathy: 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)Referral and Consultation: The practice of sending a patient to another program or practitioner for services or advice which the referring source is not prepared to provide.Interprofessional Relations: The reciprocal interaction of two or more professional individuals.Awareness: 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.Personality Inventory: Check list, usually to be filled out by a person about himself, consisting of many statements about personal characteristics which the subject checks.Models, Genetic: Theoretical representations that simulate the behavior or activity of genetic processes or phenomena. They include the use of mathematical equations, computers, and other electronic equipment.Ultrasonography, Doppler: Ultrasonography applying the Doppler effect, with frequency-shifted ultrasound reflections produced by moving targets (usually red blood cells) in the bloodstream along the ultrasound axis in direct proportion to the velocity of movement of the targets, to determine both direction and velocity of blood flow. (Stedman, 25th ed)Neuropsychological Tests: 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.Language: A verbal or nonverbal means of communicating ideas or feelings.Communication: The exchange or transmission of ideas, attitudes, or beliefs between individuals or groups.Mental Recall: The process whereby a representation of past experience is elicited.Algorithms: A procedure consisting of a sequence of algebraic formulas and/or logical steps to calculate or determine a given task.Object Attachment: Emotional attachment to someone or something in the environment.Mental Health Services: Organized services to provide mental health care.Goals: The end-result or objective, which may be specified or required in advance.Stereotyping: An oversimplified perception or conception especially of persons, social groups, etc.Pattern Recognition, Visual: Mental process to visually perceive a critical number of facts (the pattern), such as characters, shapes, displays, or designs.Psychomotor Performance: The coordination of a sensory or ideational (cognitive) process and a motor activity.Treatment Outcome: Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series.Models, Biological: Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment.Physician-Patient Relations: The interactions between physician and patient.Biomechanical Phenomena: The properties, processes, and behavior of biological systems under the action of mechanical forces.Counseling: The giving of advice and assistance to individuals with educational or personal problems.Attitude of Health Personnel: Attitudes of personnel toward their patients, other professionals, toward the medical care system, etc.Health Promotion: Encouraging consumer behaviors most likely to optimize health potentials (physical and psychosocial) through health information, preventive programs, and access to medical care.Internal-External Control: Personality construct referring to an individual's perception of the locus of events as determined internally by his or her own behavior versus fate, luck, or external forces. (ERIC Thesaurus, 1996).Educational Measurement: The assessing of academic or educational achievement. It includes all aspects of testing and test construction.Cross-Cultural Comparison: Comparison of various psychological, sociological, or cultural factors in order to assess the similarities or diversities occurring in two or more different cultures or societies.Internet: A loose confederation of computer communication networks around the world. The networks that make up the Internet are connected through several backbone networks. The Internet grew out of the US Government ARPAnet project and was designed to facilitate information exchange.Models, Neurological: Theoretical representations that simulate the behavior or activity of the neurological system, processes or phenomena; includes the use of mathematical equations, computers, and other electronic equipment.Flight, Animal: The use of wings or wing-like appendages to remain aloft and move through the air.Anxiety Disorders: Persistent and disabling ANXIETY.Magnetic Resonance Imaging: 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.Stress, Psychological: Stress wherein emotional factors predominate.