Neurology

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ANOREXIA NERVOSA

an eating disorder, which occurs frequently in adolescent girls, involving the refusal of food, a drive for thinness, perceptual disturbances

ANXIETY

a mood state characterized by worry, apprehension, and somatic symptoms. Similar to the tension caused when an individual anticipates impending

APPETITIVE STIMULUS

In positive reinforcement (see positive reinforcement) this represents an unconditioned stimulus that an organism will approach. The effectiveness of this

ARGUMENT QUALITY

the degree to which an argument elicits primarily positive evaluative responses toward the attitude and deemphasizes primarily negative ones. The

ASIAN INFLUENZA

a type of influenza caused by the II2N2 strain of influenza virus, which was initially recorded in north China in

ASSORTATIVE MATING

a type of mating behavior in which mates are chosen based on specific traits (e.g., attractiveness, similarity of body size

ATTENTIONAL CAPTURE

the unintentional focusing of attention, for example by a change in a stimulus, which interrupts other processing - for example,

AUDIOVISUAL TRAINING

instruction or training using audio aids, visual aids, or both. Examples of such include films, slides, filmstrips, videotapes, audiotapes, television,

AUTHORITARIAN PERSONALITY

a distinct personality pattern that is characterized by (a) a preoccupation with power and status, (b) strict adherence to simplified

AUTONOMOUS DEPRESSION

1. a major depressive episode that that may come on suddenly, but lack an identifiable obvious psychosocial stressor. See also

AXO-AXONAL SYNAPSE

refers to a synapse between two nerve cells in which the nerve impulse travels from axon to axon, rather than

BARNUM EFFECT

n. an individual's tendency to accept concepts personally, no matter how vague and generalized they may be. Thus, people tend

BEHAVIORAL APPROACH SYSTEM (BAS)

n. one of two motivational systems which govern human and animal behavior. Activated by incentive motivation, the response is towards

BEHAVIORISM

n. a scientific approach to psychology in which the study is based on observable, quantifiable facts and not on subjective

BINARY FEATURE

n. in language and thought, refers to a pair of terms which are related in concept but opposite in meaning.

BIOLOGICAL THEORY OF AGING

n. a number of probable theories which may explain the different facets of aging. Some of these explanations include programmed

BLIND SPOT

n. in vision, refers to the area of the eye where the image hits the optic disk and, thus, cannot

BOUNDARY AMBIGUITY

n. a discrepancy observed when the family system is viewed from within by a member and from the outside by

BRUININKS-OSERETSKY TEST OF MOTOR PROFICIENCY (BOT)

n. a proficiency test on gross motor skills and fine motor skills administered to participants between 4 to 21 years

CAREER DEVELOPMENT

n. a self-development program in which a person manages the progress and advancement of his or her own career. In