Inability to experience pleasure due to impairment or dysfunction of normal psychological and neurobiological mechanisms. It is a symptom of many PSYCHOTIC DISORDERS (e.g., DEPRESSIVE DISORDER, MAJOR; and SCHIZOPHRENIA).

Synonyms: Anhedonias, Physical, Anhedonia, Social, Anhedonias, Social Anhedonias, Physical Anhedonia, Anhedonia, Anhedonia, Physical, Anhedonias, Social, Social Anhedonia, Physical Anhedonias