Find over 25,000 psychological definitions


n. inflammation of the brain, typically caused by viral infection. The symptoms may be mild, with influenza-like characteristics, or severe and potentially fatal, with fever, vomiting, confusion or disorientation, drowsiness, seizures, and coma or loss of consciousness. See also encephalitis lethargica; herpes-simplex encephalitis; meningoencephalitis; polioencephalitis. —encephalitic adj.

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 2nd 2024

affective psychosis

affective psychosis

a mood disorder accompanied by delusions or hallucinations (i.e., psychotic features). The mood disruption precedes the psychotic symptoms, and the psychotic symptoms only occur during a major depressive episode or a manic episode.