One of the world's leading experts on the neurophysiology of emotions, Professor Damasio shows how our consciousness, our sense of being, arose out of development of emotion. At its core, human consciousness is consciousness of the feeling, experiencing self, the 'very thought of' oneself. Brilliantly wide-ranging in his scope, Damasio illustrates his thesis with fascinating and illuminating neurological case studies that are both stimulating and provocative.