Setting his sights on the mystery of human uniqueness, V.S. Ramachandran reveals what baffling and extreme case studies can teach us about normal brain function and how it evolved. In his new book, the neuroscientist takes us on a tour of some seemingly inexplicable behaviors of the brain. For instance, how can a totally blind person locate a spot of light on a wall? Or, a patient in coma wake up to answer the phone and then lapse back into a coma?