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 ...
In theatre of the mind, where impulse clashes with intellect, a mid-20thcentury theory endures like a stubborn stage set: the Triune Brain. Coined by neuroscientist Paul D MacLean, the term ‘Triune ...