In this episode of the podcast, Sam Harris speaks with Lisa Feldman Barrett about the origins and function of the human brain. They discuss how brains evolved, the myth of the “triune brain,” the brain’s network organization, the predictive nature of perception and action, the construction of emotion, concepts as prescriptions for action, culture as an operating system, and other topics. SUBSCRIBE to listen to the rest of this episode and gain access to all full-length episodes of the podcast at samharris.org/subscribe.