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

Disorganized thought and speech can severely affect how individuals communicate. Some people with schizophrenia may experience dissociation symptoms, such as a detached feeling or a disconnection ...

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 ...