Find over 25,000 psychological definitions


lexical agraphia

a disorder characterized by an impaired ability to spell irregular words (e.g., yacht) or ambiguous words. The ability to spell other words or nonwords is not affected. Also called surface agraphia.

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

May 8th 2024

ontogeny

ontogeny

n. the biological origin and development of an individual organism from fertilization of the egg cell until death. Also called ontogenesis. Compare phylogeny. See also recapitulation theory. —ontogenetic adj.