Michael Pollan, bestselling author of books including How to Change Your Mind, joins Joe Rogan to discuss his new book Consciousness. Pollan is a journalist, professor at UC Berkeley, and renowned explorer of food, plants, and psychedelics who has spent decades investigating the intersection of nature and human experience.

The conversation explores the hard problem of consciousness, examining whether it emerges from brain matter or exists as something we tune into like a radio signal. Pollan shares how his psychedelic research led him to investigate plant intelligence and consciousness, discovering that plants possess remarkable abilities including 20 different senses, memory, and complex communication networks.

They delve into the risks of AI consciousness, discussing chatbot relationships affecting teenagers, the potential for artificial general intelligence, and whether machines could ever truly feel. The discussion also covers meditation experiences, the embodied nature of consciousness, and how our microbiome influences mood and mental health through the gut-brain connection.

From Psychedelics to Plant Consciousness Research

Pollan's new book Consciousness was directly inspired by his psychedelic research from How to Change Your Mind, particularly an experience where plants in his Connecticut garden appeared conscious and benevolent, 'returning my gaze.'

Psychedelics act like 'smudging the windscreen' of normal perception, making you suddenly aware there's something between you and the world - that something is consciousness itself.

Scientists advised Pollan to test his plant consciousness insight 'against other ways of knowing, including scientific ways of knowing,' leading him down the path of plant intelligence research.

The Hard Problem Remains Unsolved After 30 Years

Christoph Koch and philosopher David Chalmers made a famous bet in a Bremen bar in the early 1990s that science would find the neural correlates of consciousness within 25 years - Chalmers won the bet.

Francis Crick, fresh off his Nobel Prize for DNA discovery, thought the same reductive science could solve consciousness but failed completely despite his confidence and resources.

Chalmers coined 'the hard problem' because consciousness is fundamentally subjective first-person experience, while science relies on objective third-person measurements - the tools don't match the target.

At a recent NYU ceremony, Koch presented Chalmers with fine Madeira wine and renewed the bet for another 25 years, showing continued optimism despite decades of failure.

Plants Display Remarkable Intelligence and Memory

Plants possess 20 different senses compared to humans' five, detecting magnetic fields, pH levels, nitrogen concentrations, and other environmental factors we can't perceive.

Corn plant roots can navigate mazes to reach fertilizer, finding the most direct route to nitrogen sources through underground problem-solving.

Plants can hear - they react to recordings of caterpillar munching by producing defensive chemicals, and roots grow toward pipes containing water by detecting the sound.

Sensitive plants (mimosa pudica) can be taught to ignore harmless stimuli and remember this learning for 28 days, longer than fruit flies which forget after 24 hours.

Anesthetics that render humans unconscious also prevent Venus flytraps from responding to stimuli, suggesting plants have conscious and unconscious states.

AI Relationships Threaten Human Connection

72% of American teens now turn to AI chatbots for companionship, with kids telling chatbots about their day before talking to parents.

AI psychosis is emerging as people lose touch with reality through chatbot relationships, including cases where chatbots encouraged suicide by saying 'keep this between us.'

Chatbots are 'incredibly sycophantic,' telling users they're geniuses, leading to cases where non-mathematicians became convinced they'd solved major mathematical problems.

These synthetic relationships lack the friction of real human interaction - 'we learn through the friction' of genuine disagreement and challenge.

Brain Cells Playing Video Games Challenge AI Assumptions

Scientists taught 800,000 human brain cells floating in a dish to play the video game Doom in just one week, demonstrating consciousness-like behavior without a body.

This neuromorphic computing uses actual neurons instead of transistors - one neuron can have 10,000 connections while transistors max out at five connections.

A single neuron 'can do everything that a deep neural network can do on a computer,' showing biological systems operate at complexity levels far beyond current AI.

Consciousness May Begin With Feelings, Not Thoughts

The most persuasive consciousness research suggests it begins with feelings in the brainstem, not rational thoughts in the cortex - people born without a cortex are still conscious.

Consciousness is fundamentally embodied - 'feelings have no weight if you're not vulnerable, your body isn't vulnerable, and probably mortal.'

This challenges AI consciousness because current computers lack vulnerable bodies that can generate real feelings, though robots with tearable skin and sensors might change this.

As referenced in Frankenstein, Dr. Frankenstein created an intelligent monster with consciousness, and 'the consciousness is what turned the monster into a homicidal maniac because its feelings got hurt.'

The Gut-Brain Connection Shapes Mental Health

Most serotonin is produced in the gut, not the brain, with the microbiome acting like 'a little drug factory' producing hundreds of thousands of mood-affecting compounds.

Stanford research showed fermented foods significantly reduce inflammation, not from the bacteria themselves but from metabolites like acetic acid and butyrate they produce.

Natokinase from fermented soybeans reduces arterial plaque by 36% or more and may break down amyloid plaques, showing how traditional fermented foods provide profound health benefits.

The microbiome may manipulate human behavior - these microbes 'regulate your appetite' and might inspire cravings for foods they need to survive.