Stuart Hameroff, MD, is a professor of anesthesiology and psychology at the Banner University Medical Center of the University of Arizona in Tucson. He is also co-founder and director of the Center for Consciousness Studies at the University of Arizona. He is author of Ultimate Computing: Biomolecular Consciousness and Nanotechnology. Since 1994, he has organized the “Toward a Science of Consciousness” conferences at the University of Arizona and elsewhere. Working with Sir Roger Penrose, he is the co-author of the “Orch OR” theory of consciousness.

In this reboot from 2015, Stuart focuses on the idea that consciousness is an orchestrated whole. This, he maintains, is accomplished through quantum coherence unifying the various activities of the brain. The orchestra of consciousness occurs at various, specific frequency resonances. He also describes how our experience of time is related to the rate at which we process information and experience conscious moments. Time seems to slow down when the brain is processing information at a faster rate. In addition Hameroff suggests, in accordance with Roger Penrose’s interpretation of quantum theory, that information in the brain can travel backwards through time.

(Recorded on August 5, 2015)

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Published on April 14, 2026