Since 1979, Jason W. Brown has been Clinical Professor in Neurology at New York University Medical Center and, since 1993, Visiting Scholar at New York Psychoanalytic Institute. He has served as attending physician at University (Tisch) Hospital in the NYU Medical Center and at Bellevue Hospital since 1984. Author of over 150 professional articles, he has published six books over the last three decades: Aphasia, Apraxia and Agnosia (1972), Mind, Brain and Consciousness (1977), Life of the Mind (1988), Self and Process (1991), (updated as the present book), Time, Will, and Mental Process (1996), and Mind and Nature: Essays on Time and Subjectivity (2000). He is married, has three children, and divides his time between New York City and the south of France.