Making Sense with Sam Harris
Making Sense with Sam Harris

#475 — The Hard Problem of Consciousness

May 12, 2026

AI Summary

5 min read

In 2018, Michael Pollan published How to Change Your Mind, a book about psychedelics that became a cultural phenomenon. What he didn't expect was that the experience of writing it would leave him with an unresolved thread. Psychedelics, he says, "defamiliarize consciousness" — they "smudge the windshield through which you normally perceive reality," making you suddenly aware that there is a windshield at all. That nagging question — what is consciousness, and why is it so hard to explain? — became the subject of his next book, A World Appears: A Journey into Consciousness. In this conversation with Sam Harris, Pollan walks through what he learned from neuroscientists, philosophers, and his own research: that consciousness is the most familiar thing in the world and, at the same time, the most mysterious.

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What you'll learn

  • 1 Timestamped Outline
  • 2 (00:01) **Introduction and Episode Setup** - Sam Harris introduces the free version of the podcast and the conversation with Michael Pollan about his new book on consciousness
  • 3 (00:24) **Michael Pollan's Return and the Path from Psychedelics to Consciousness** - Pollan explains how writing about psychedelics led him to investigate consciousness itself
  • 4 (03:40) **The Hard Problem of Consciousness and the Limits of Explanation** - Harris observes that many who wrestle with consciousness eventually admit they cannot solve the hard problem
  • 5 (04:36) **Defining Key Terms: Sentience, Consciousness, Cognition, Intelligence** - Pollan disambiguates the core concepts used throughout the conversation
  • 6 (07:08) **The Hard Problem Explained: Why It's Actually Hard** - Harris and Pollan clarify why consciousness resists reductive explanation
  • 7 (10:38) **The Explanatory Gap and Why It Won't Close** - Even a complete neural correlate of consciousness would leave the mystery intact

+ Full timestamped outline available in the app

Guests on this episode

Sam Harris

Show Notes

Sam Harris speaks with Michael Pollan about consciousness, the mind, and the self. They discuss Pollan's new book, the relationship between consciousness and intelligence, whether consciousness is a product of evolution, the role of psychedelics in consciousness research, AI and the question of machine consciousness, the illusion of the self, and other topics.

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