Find over 25,000 psychological definitions


agonist–antagonist

a substance that simultaneously binds to multiple receptors, mimicking the action of the body’s natural neurotransmitter at one type of receptor and inhibiting that action at another, different type of receptor.

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 17th 2024

visual area

visual area

any of many regions of the cerebral cortex in which the neurons are primarily sensitive to visual stimulation. Together, all the visual areas comprise the visual cortex. Most visual areas can be distinguished from one another on the basis of their anatomical connections (i.e., their cytoarchitecture) and their specific visual sensitivities. Individual areas are designated by “V” and a number that indicates roughly how distant the area is from striate cortex. See V1; V2; V3; V4; V5.