APPARENT MOVEMENT
an illusion of motion or change of size that is cued by visual tricks. For example, a person sitting in…
APPLIED BEHAVIOR ANALYSIS (ABA)
the practical application of Skinner's behavioral principles (i.e., operant conditioning) in practical settings. Variations of applied behavior analysis may be…
APPREHENSIVENESS
1. a mood state characterized by anxiety or worry. 2. the act or capability of humans to grasp something mentally,…
ARBITRARY MATCHING TO SAMPLE
a variation of a matching to sample task in which the correct alternative during the choice phase represents an arbitrary…
ARCHIVAL RESEARCH
the use of books, journals, documents, data sets, manuscripts, and other records or cultural artifacts in scientific research, that do…
ARMY RESEARCH INSTITUTE (ARI)
the U.S. Army Research Institute for the Behavioral and Social Sciences has its headquarters in Alexandria, Virginia, and first opened…
AROUSAL TRAINING
a technique in behavior therapy that teaches clients to detect and recognize levels of physiological arousal at any given time,…
ARTERIAL CIRCLE
a ring of blood vessels found at the base of the brain. The circle is formed by links between branches…
ARTICULATORY LOOP
in models of working memory, a dedicated memory store that holds auditory information. If, for example, one tried to memorize…
ASSERTIVENESS
a style of communication in which individuals express their feelings and needs directly to the other person, while maintaining respect…
ASSOCIATED MOVEMENT
involuntary and unnecessary contractions of muscles that are not related, during a movement.
ASSOCIATIVE CLUSTERING
the tendency for items with preexisting associations in memory to be recalled together during the verbal recall of a word…
ASTASIA-ABASIA
1. severe impairment in or the complete loss of the ability to stand (see astasia) or walk (see abasia). 2.…