The Fear of Not Knowing

How does the mind work? What makes us sad? What makes us laugh? Despite advances in neuroscience, the answers to these questions remain elusive. Neuroscientist Patrick House talks about these mysteries and about his book Nineteen Ways of Looking at Consciousness with EconTalk host Russ Roberts. House's insights illuminate not just what we know and don't know about our minds--he also helps us understand what it means to be human.