AROUSAL LEVEL
the level to which an organism is alert to stimuli and therefore physiologically responsive to it.
ARRESTED TESTIS
a testis that lies within the inguinal canal but cannot descend into the scrotum due to obstruction of the passage.…
ARTIFICIAL LIFE
a research area of artificial intelligence, whereby computer-based life forms are generated. Such forms, as first proposed by Austrian-born U.S.…
ASCH, SOLOMON E
(1907-1996) Polish-born U.S. psychologist. Asch emigrated with his family to the United States in 1920 and then earned his doctorate…
ASPIRATIONAL GROUP
any group that an individual wishes or aspires to join with. This may be an actual group, that is characterized…
ASSISTED SUICIDE
a form of suicide in which the person ending his or her own life is helped to do so by…
ASSOCIATION VALUE
1. the extent to which a specific stimulus is associated with a person's ideas, memories, or values. 2. the extent…
ASTROBLASTOMA
one type of slow-growing tumor comprised of neuroglial cells (see astrocytoma), whereby the cells have abundant cytoplasm and multiple nuclei.…
ATHEROSCLEROSIS
n. a common form of arteriosclerosis, or artery hardening, whereby the primary sign is atheroma - or the deposition of…
AT-RISK MENTAL STATES
psychological symptoms or other vulnerability factors that render individuals more susceptible to mental illnesses or to adverse behaviors, such as…
ATTENTION-CONTROL TRAINING (ACT)
a therapeutic program that assists an individual to be more effective at maintaining appropriate attentional focus via natural methods. It…
ATTITUDE SYSTEM
a set of two or more attitudes about the same factor that are associated in memory. Attitude systems can be…
ATYPICAL GENDER IDENTITY DISORDER
in the DSM-lll, this represented a category of gender identity disorders. In the DSM-IV-TR these are labeled gender identity disorder…
AUDIENCE TASK
any performance, work assignment, or goal-oriented activity that is executed in the presence of one or more onlookers. Compare with…
AUDITORY ATTRIBUTES
refers to any perceptual qualities of sound, including the loudness, pitch, and timbre.