TABLE 1-3 - Subtypes of Schizophrenia

Subtypes of Schizophrenia

Paranoid	Paranoid delusions, frequent auditory hallucination, affect not flat
Catatonic	Motoric immobility or excessive, purposeless motor activity, maintenance of a rigid echolalia
Disorganized	Delusions, hallucinations, disorganized speech, catatonic behavior, negative symptoms
Undifferentiated (probably most common)	Criteria not met for paranoid, catatonic, or disorganized
Residual	Met criteria for schizophrenia, now resolved, Le., no hallucinations, no prominent delusions, etc., but residual negative symptoms or attenuated delusions, hallucinations, or thought disorder

Adapted from Andreasen NC Black DW.lntroductory textbook of psychiatry. 3rd ed. Washington, DC: American Psychiatric Publishing, 2001.