Find over 25,000 psychological definitions


voluntary behavior

behavior that is intentional in nature (e.g., walking, typing), as opposed to reflexive behavior. See also operant behavior.

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

November 15th 2024

anterior choroidal artery

anterior choroidal artery

a relatively narrow artery that is a posterior branch of the middle cerebral artery. It passes across the optic tract toward the temporal horn of the lateral ventricle and into the choroid plexus, hippocampus, thalamus, amygdala, and related deep structures.