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organic brain syndrome

organic brain syndrome in Medicine

organic brain syndrome n.
Abbr. OBS
Any of a group of acute or chronic syndromes involving temporary or permanent impairment of brain function caused by trauma, infection, toxin, tumor, or tissue sclerosis, and causing mild-to-severe impairment of memory, orientation, judgment, intellectual functions, and emotional adjustment. Also called organic mental syndrome.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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