Find over 25,000 psychological definitions


behavioral teratology

the study of impairments in behavior that are produced by embryonic or fetal exposure to toxic substances that affect the developing organism (see teratogen).

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 9th 2024

slow-wave sleep

slow-wave sleep

deep sleep that is characterized by increasing percentages of particular types of delta waves on the electroencephalogram, corresponding to Stages 3 and 4 of NREM sleep. See also sleep stages.