APPERSONATION
n. an unusual delusion in which the individual believes him- or herself to be another person. The person the assumes…
APPROPRIATE AFFECT
an expression of mood, emotion or feeling that is congruent with the subject matter being discussed or witnessed.
APTITUDE-TREATMENT INTERACTION
a hypothesis that certain patterns of aptitudes respond better to certain sets of treatments. For example, people with higher spatial…
ARCHICORTEX
refers to the cerebral cortex, which has been found to have three distinct layers. See also allocortex.
ARITHMETIC DISABILITY
a marked disturbance in the ability to calculate and reason in a logical manner. This is often associated with neurological…
ARTHROPATHY
n. refers to any inflammatory, neuropathic, or other disease involving a joint. In linguistics, a determinant that limits a noun…
ARTIFICIAL INTELLIGENCE (AI)
a sub discipline of computer science that aims to produce programs and articles that simulate human intelligence. AI researchers often…
ASCH CONFORMITY EFFECT
the tendency for individuals to conform to a greater extent when in groups - particularly in situations like those studied…
ASPHYXOPHILIA
n. sexual arousal and enjoyment obtained from being unable to breathe during sexual activity. As a paraphilia, this may involve…
ASSISTED DEATH
one person assisting the other to commit suicide, by mutual agreement. This action can take the form of assisted suicide,…
ASSOCIATION OF IDEAS
the process by which simple perceptions and ideas are combined into a total idea, which may vary in complexity and…
ASSOCIATIVE-CHAIN THEORY
in learning theory some types of behavioral psychology (see behaviorism), a theory of how complex behaviors, including some linguistic behaviors,…
ASTIGMATOSCOPE
an instrument used to diagnose and measure the level of corneal curvature abnormality astigmatism) in the eye.
ASYNCHRONOUS BROOD
offspring (usually birds) that are hatched successively, one at a time, (rather than simultaneously, as in a synchronous brood). In…