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.
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| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| the offspring of a zebra and a donkey. |
| organic brain syndrome | |
noun | |
| mental abnormality resulting from disturbance of the structure or function of the brain |