The previous edition (the DSM-4), however, organized schizophrenia into five types: paranoid, catatonic, disorganized, undifferentiated, and residual schizophrenia. Some researchers still refer to ...

A 33-year-old woman hears brutal and frightening voices daily but continues her college studies. A middle-aged man, who served in the Navy and has since struggled with substance ...

To receive a diagnosis of schizophrenia, a person must experience at least one symptom of hallucination, delusion, or disorganized speech for a significant portion of time during a 1-month period.

Schizophrenia is a chronic and disabling ... which include delusions and hallucinations; disorganized thought and speech; and negative or deficit symptoms, which include reduced thought and ...