Schizophrenia - disorganized type
Disorganized schizophrenia is a type of schizophrenia in which behavior is disturbed and has no purpose.
Hebephrenic schizophrenia; Disorganized schizophrenia
Causes, incidence, and risk factors
The cause is unknown. This type of schizophrenia usually begins before age 25.
- Active behavior, but in an aimless and not constructive way
- Bizarre and inappropriate emotional responses (laughter)
- Difficulty feeling pleasure
- False, fixed beliefs (delusions)
- Lack of motivation
- Seeing or hearing things that aren't there (hallucinations)
- Strange or silly behavior
- Speech that makes no sense
Some of these symptoms are also seen in other types of schizophrenia. The main difference is that in disorganized schizophrenia, there is a lot of strange, aimless behavior and often speech that does not make sense.
Signs and tests
Freudenreich O, Weiss AP, Goff DC. Psychosis and schizophrenia. In: Stern TA, Rosenbaum JF, Fava M, Biederman J, Rauch SL, eds. Massachusetts General Hospital Comprehensive Clinical Psychiatry. 1st ed. Philadelphia, Pa: Mosby Elsevier;2008:chap 28.
International Classification of Diseases, 9th Revision (ICD9)295.1 | 295.10 | 295.11 | 295.12 | 295.13 | 295.14 | 295.15
Review Date: 3/7/2012
Reviewed By: Fred K. Berger, MD, Addiction and Forensic Psychiatrist, Scripps Memorial Hospital, La Jolla, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.