A look at the human brain, one of the most important objects in existence and also one of the hardest to study. The guests are Dr. Michael Merzenich, Professor Emeritus of Neuroscience at the University of California at San Francisco, who is best known for his groundbreaking research in brain plasticity, and Dr. Simon Tan, clinical psychologist and neuropsychologist at Stanford Medical Center who specializes in the diagnosis of developmental, psychiatric and neurologic disorders. Topics discussed include recent advances in neuroscience, the untapped potentials of the mind, and the nature of thought, consciousness and intelligence.