The illusion of shared reality | Anil Seth & Jonny Thomson

Big Think November 10, 2025
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Big Think exists to make you smarter, faster. Through conversations with the world’s brightest thinkers, we bring you the ideas shaping the future of science, philosophy, culture, and the human mind. Our library of thousands of videos distills complex insight into clear, actionable wisdom for how to think, work, and live in a changing world. Meet legendary teachers like philosopher Daniel Dennett, physicist Brian Cox, classicist Mary Beard, psychiatrist Bessel van der Kolk, political scientist Ian Bremmer, anthropologist Helen Fisher, and hundreds more — all sharing the ideas that define our time and the questions that will shape our future.

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Become a Big Think member to unlock expert classes, premium print issues, exclusive events and more: https://bigthink.com/membership/?utm_source=youtube&utm_medium=social&utm_campaign=yt_desc “Consciousness is fundamental. It's a fundamental property of the world that we inhabit, a fundamental property of the universe.” Subscribe to Big Think on YouTube ► https://www.youtube.com/channel/UCvQECJukTDE2i6aCoMnS-Vg?sub_confirmation=1 Up next, How to grow deeply happy | Jonny Thomson ► https://www.youtube.com/watch?v=2WShJeNX7W8 What does it mean to be conscious, and why does it feel like something to be you? Neuroscientist Anil Seth argues that consciousness isn’t a mysterious spark but a deeply biological process, one that depends on prediction, perception, and the body’s constant negotiation with the world. In this conversation with philosopher Jonny Thomson, he explores how our brains don’t passively observe reality, but rather actively construct it. 0:00 Non-human consciousness 1:40 The current state of consciousness science 2:10 What is consciousness? 4:05 The similarity of conscious experiences 5:48 Consciousness in the brain 11:23 Technology for measuring consciousness 16:03 Measuring consciousness levels 20:33 Pragmatic physicalism and functionalism 23:25 Pansychism 28:25 Emergence 32:35 AI and consciousness 36:49 The difference between non-human animals and AI 41:49 Is artificial consciousness possible? 48:12 Consciousness in the body and outside the brain Consciousness in the future and AI 50:27 Audience Q&A 50:41 Could computers could simulate the brain and body? 59:55 Why are you skeptical about asserting the dependency of life to the consciousness? 1:03:31 If consciousness is so clinical, does it undermine free will? Read the video transcript ► https://bigthink.com/series/full-interview/science-of-consciousness/?utm_source=youtube&utm_medium=video&utm_campaign=youtube_description ---------------------------------------------------------------------------------- Go Deeper with Big Think: ►Become a Big Think Youtube Member Get exclusive classes and early, ad-free access to new releases without leaving Youtube. https://www.youtube.com/@bigthink/membership/ ►Become a Big Think Web Member Get the entire Big Think Class library, premium print issues, live events, and more. https://bigthink.com/membership/ ►Subscribe to Big Think on Substack Get all of your favorite Big Think content delivered to your inbox. https://bigthinkmedia.substack.com/subscribe/ ---------------------------------------------------------------------------------- About Anil Seth: Anil Seth is a neuroscientist, author, and public speaker who has pioneered research into the brain basis of consciousness for more than 20 years. He is the author of Being You: A New Science of Consciousness. About Jonny Thomson: Jonny Thomson taught philosophy in Oxford for more than a decade before turning to writing full-time. He’s a columnist at Big Think and is the award-winning, bestselling author of three books that have been translated into 22 languages. Jonny is also the founder of Mini Philosophy, a social network of around two million curious, intelligent minds. He's known all over the world for making philosophy accessible, relatable, and fun.

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