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Paul D. MacLean | |
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Born | 1 May 1913 ![]() Phelps ![]() |
Died | 26 December 2007 ![]() Potomac ![]() |
Education | Doctor of Medicine ![]() |
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Paul Donald MacLean (May 1, 1913 – December 26, 2007) was an American physician and neuroscientist who made significant contributions in the fields of physiology, psychiatry, and brain research through his work at Yale Medical School and the National Institute of Mental Health. MacLean's evolutionary triune brain theory proposed that the human brain was in reality three brains in one: the reptilian complex, the limbic system, and the neocortex.
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