Find over 25,000 psychological definitions


dendritic spine

a mushroom-shaped outgrowth along the dendrite of a neuron, which forms a synapse with the axon terminals of neighboring neurons. Research suggests that neurons develop dendritic spines as part of an organism’s learning process. Also called dendritic thorn.

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 29th 2025

hubris

hubris

n. arrogant pride or presumption. In Greek tragedy, hubris is specifically the overweening pride that leads to the destruction of the protagonist. —hubristic adj.