Paul D. MacLean Quotes

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. ...more

Birth: May 01, 1913 - Death: December 26, 2007

An interest in the brain requires no justification other than a curiosity to know why we are here, what we are doing here, and where we are going.

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Paul D. MacLean Quotes