![organic brain syndrome organic brain syndrome](https://www.tekportal.net/wp-content/uploads/2018/12/organic-brain-syndrome.jpg)
n.
- 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.organic mental syndrome