Dr. Paul D. MacLean, the neuroscientist who in the 1960s developed the then-revolutionary concept of the three-part brain -- one part controlling involuntary actions, one controlling emotions and the ...
The first lesson in Lisa Feldman Barrett’s popular book, Seven and a Half Lessons About the Brain, 1 is titled "You Have One Brain (Not Three)." It focuses on debunking Paul MacLean’s triune model of ...