PATRICIA S. CHURCHLAND is professor emeritus of philosophy at the University of California, San Diego, and adjunct professor at the Salk Institute. Her research has centered on the interface between neuroscience and philosophy, with a current focus on the association of morality and the social brain. She is the author of Conscience: The Origins of Moral Intuition. The Conversation: https://www.edge.org/conversation/patricia_s_churchland-the-nature-of-moral-motivation