Werner Herzog muses on mysteries of the brain in Theater of Thought

Werner Herzog has made more than 60 films over his illustrious career. His documentaries alone span an impressive topical range, from the life and death of bear enthusiast Timothy Treadwell (Grizzly Man) to people who choose to live and work in Antarctica (the Oscar-nominated Encounters at the End of the World) or a haunting exploration of the oldest human paintings in France's Chauvet Cave (Cave of Forgotten Dreams).…