Find over 25,000 psychological definitions


mineralocorticoid

n. any corticosteroid hormone that affects ion concentrations in body tissues and helps to regulate the excretion of salt and water. In humans, the principal mineralocorticoid is aldosterone.

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 19th 2024

summation effect

summation effect

a feature of binocular cells in the visual cortex in which the activity of the cell is greater when stimulation occurs through both eyes than when stimulation occurs through one eye. A similar phenomenon occurs in the auditory system; when both ears are stimulated, there is a binaural summation effect of enhanced loudness.