Organic brain syndrome

Alternative Names

OBS; Organic mental disorder (OMS); Chronic organic brain syndrome

Definition of Organic brain syndrome

Organic brain syndrome (OBS) is a general term used to describe decreased mental function due to a medical disease, other than a psychiatric illness. It is often used synonymously (but incorrectly) with .

Causes, incidence, and risk factors

Disorders associated with OBS include:

Symptoms

Symptoms can differ based on the disease. In general, organic brain syndromes cause:

Signs and tests

Tests depend on the disorder, but may include:

Treatment

Treatment depends on the disorder. Many of the disorders are treated mainly with rehabilitation and supportive care to assist the person in areas where brain function is lost.

Expectations (prognosis)

See the specific disorder. Some disorders are short-term and treatable, but many are long-term or get worse over time.

Review

David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Luc Jasmin, MD, PhD, Department of Neurosurgery at Cedars-Sinai Medical Center, Los Angeles, and Department of Anatomy at UCSF, San Francisco, CA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 2/6/2010

Brain

ADAM Medical Encyclopedia

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