organic brain syndrome

noun

Definition of organic brain syndrome 

: an acute or chronic mental dysfunction (such as Alzheimer's disease) resulting chiefly from physical changes in brain structure and characterized especially by impaired cognition

First Known Use of organic brain syndrome

1966, in the meaning defined above

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The first known use of organic brain syndrome was in 1966

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organic brain syndrome

noun

Medical Definition of organic brain syndrome 

: any acute or chronic mental dysfunction (as delirium or senile dementia) resulting chiefly from physical changes in brain structure and characterized especially by impaired cognition

called also organic brain disorder, organic mental syndrome

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