Find over 25,000 psychological definitions


Whitten effect

the effect of chemical communication in inducing ovulation. In some rodent species, females ovulate when exposed to odors or scents from adult males. Other effects of chemical signals on reproduction include the Bruce effect and the Lee–Boot effect. See also Vandenbergh effect. [Wesley K. Whitten (1918–2010), Australian reproductive physiologist]

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

March 17th 2025

micturition reflex

micturition reflex

reflex contraction of the bladder in response to signals from its stretch receptors. During development, a child learns to suppress the micturition reflex and to control urination. Also called bladder reflex.