Find over 25,000 psychological definitions


hyposomnia

n. a reduction in a person’s sleep time, often as a result of insomnia or some other sleep disturbance. See also sleep disorder. Compare hypersomnia.

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

December 26th 2024

tractotomy

tractotomy

n. the surgical interruption of a nerve tract in the brainstem or spinal cord. One form of tractotomy is of benefit in bipolar disorder that is resistant to other forms of treatment.