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 ...

Healing is not served by absolutism. It is served by nuance, curiosity, and the steady work of integrating new knowledge ...

Simran's anxiety in Mumbai's rush hour highlights the triune brain's primal defense. When threatened, the reptilian brain overrides reason, but peace is found through mindfulness and trust.

American physician and neuroscientist Paul D. MacLean pioneered the concept of the triune brain — the idea that the human brain evolved through three different stages. Those stages are known as the ...