E205 - Anil Seth: Your Perception of Reality & Self Is a Hallucination

E205 - Anil Seth: Your Perception of Reality & Self Is a Hallucination

July 28, 2026 · 2h 12m · Season 1 · Episode 205

About this episode

Anil Seth discusses how our perception of reality and self is a constructed hallucination generated by the brain.

Anil Seth is a professor of cognitive and computational neuroscience at the University of Sussex and one of the world's leading researchers on consciousness. His central claim is both unsettling and liberating: we do not passively receive reality, we actively generate it. The world that appears when you open your eyes is not a transparent window onto what is actually out there. It is the brain's best guess, a controlled hallucination, built from the inside out. What We Dive Into: 1. Your brain is not reading out the world like a camera. It is making constant predictions about what is out there and updating them with sensory signals. What you perceive is much more a product of those internal predictions than of the raw sensory data coming in. In that sense, all perception is a form of hallucination, just one that happens to be grounded in reality. 2. Just as the brain generates a model of the external world, it generates a model of the self. The feeling of being a continuous, stable "I" is another best guess, not a fixed essence waiting to be discovered. This is both humbling and freeing, because a constructed self can be examined and updated in ways a fixed one cannot…

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