Sam Harris speaks with Thomas Metzinger about the scientific and experiential understanding of consciousness. They also talk about the role of intuition in science, the ethics of building conscious AI, the self as an hallucination, how we identify with our thoughts, attention as the root of the feeling of self, the place of Eastern philosophy in Western science, and the limitations of secular humanism. Thomas Metzinger is full professor and director of the theoretical philosophy group and the research group on neuroethics/neurophilosophy at the department of philosophy, Johannes Gutenberg University of Mainz, Germany. He is the founder and director of the MIND group and Adjunct Fellow at the Frankfurt Institute of Advanced Studies, Germany. His research centers on analytic philosophy of mind, applied ethics, philosophy of cognitive science, and philosophy of mind. He is the editor of Neural Correlates of Consciousness and the author of Being No One and The Ego Tunnel.   Episodes that have been re-released as part of the Best of Making Sense series may have been edited for relevance since their original airing.