Trialogue: The Evolutionary Mind, with Ralph Abraham and Terence McKenna

A three-way conversation, or trialogue, recorded at Esalen in 1989.What could have been the cause for the breakthrough in the evolution of human consciousness around 50,000 years ago? Collective memories of predation and how they may shape our minds today. The role of the imagination in our evolution. Physiological evolution and the idea of divine brain surgery. The psilocybin hypothesis. The transformation of human nature through connection with higher levels of consciousness in the universe...