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Paul D. MacLean

Biography

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Paul MacLean's look alike is back!

 

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Meet Paul MacLean's double

Paul Donald MacLean 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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