delta movement

a form of apparent movement in which a brighter stimulus appears to move toward a darker stimulus, provided that certain conditions of stimulus size, distance, and time between stimuli are met. Also called delta motion.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

January 30th 2025

stress reaction

a pronounced or excessive by-product of conditions of pressure or strain. Examples are extreme feelings of tension or panic, disorganized speech patterns, and accidents caused by the effects of alcohol, drugs, or emotional stress.