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Inner Cosmos with David Eagleman

iHeartPodcasts
Neuroscience
Artificial Intelligence
Memory
Mental Health
Psychology
Consciousness
Political Polarization
Social Media
Dehumanization
Depression
Brain Plasticity
Creativity
Empathy
Transcranial Magnetic Stimulation
David Eagleman
Dreaming
AI Relationships
Rituals
Sleep
Conspiracy Theories

Neuroscientist and author David Eagleman discusses how our brain interprets the world and what that means for us. Through storytelling, research, interviews, and experiments, David Eagleman tackles wild questions that illuminate new facets of our lives and our realities.

PublishesWeeklyEpisodes173Founded3 years ago
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Health & FitnessMental HealthScience

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Artwork for Inner Cosmos

Latest Episodes

Could a tiny injury to your brain change your personality? If your friends didn’t know something had happened in your brain, would they just think you're choosing to act strangely? What if the self is nothing but a fragile coalition of neural process... more

When AI gets the right answer, how do we know it got there the right way? Why do we assume that fluent language means intelligence? What do infants and chatbots have in common? What do AI’s mistakes teach us about our own minds? And what does any of ... more

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How can we use 26 symbols to capture everything in the cosmos of human experience? Where do our written symbols in English come from? What ancient ghosts are still hiding inside the letters you read every day? Does learning to read reconfigure the ci... more

YouTube

Why do we read so much into how a robot moves, and what does that tell us about human brains? Why did our history make us so sensitive to movement? Why do we trust graceful motion? Should we make a robot 'look' at an object it’s about to pick up, eve... more

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Recent Guests

Catie Cuan
Roboticist, dancer, and choreographer; adjunct professor at Stanford and entrepreneur
Stanford University, industry/tech
Episode: Ep156 What Do We Learn About AI by Dancing with Robots? with Catie Cuan
Jon Hershfield
Therapist specializing in obsessive-compulsive disorder; director of the Center for OCD and Anxiety at Sheppard Pratt
Center for OCD and Anxiety at Sheppard Pratt
Episode: Ep155 "Why Can’t Some People Stop Thinking Certain Thoughts?" with Jon Hershfield
Jon Nelson
Depression survivor and advocate
Episode: Ep154 "Can a Depressed Brain Find Its Way Out?" with Jon Nelson
Jud Brewer
MD, PhD, psychiatrist and neuroscientist specializing in anxiety and habit formation
Brown University? (context suggests clinical work and a neuroscience lab)
Episode: Ep153 Can You Unlearn Anxiety? with Judson Brewer
Matt Ridley
Scientist and author; author of The Rational Optimist
Author; member of The Economist and British House of Lords
Episode: Ep151 "Can One Be a Rational Optimist About the World?" with Matt Ridley
Adam Haar Horowitz
Neuroscientist and dream engineer
Stanford Medical School / MIT (as described in episode)
Episode: Ep150 "Can We Engineer Dreams?" with Adam Haar Horowitz
David Sussillo
Neuroscientist and AI researcher, author of Emergence
Stanford University / Google Brain / Meta
Episode: Ep149 "What makes a brain grow up resilient?" with David Sussillo
Saul Perlmutter
Nobel Prize–winning astrophysicist
Lawrence Berkeley National Laboratory
Episode: Ep148 "How can we improve political dialog?" with Saul Perlmutter
Tom Griffiths
Cognitive scientist, Professor at Princeton
Princeton University
Episode: Ep147 "Can we engineer human thought?" with Tom Griffiths

Host

David Eagleman
Host of Inner Cosmos

Reviews

4.7 out of 5 stars from 1.5k ratings
  • Fantastic neuroscience podcast

    Fascinating and accessible podcast about how our brains work and how we perceive the world. I have recommended this to tons of people who have loved it too and now listen regularly đź§ 

    Apple Podcasts
    5
    Caroline VillaDu
    United Kingdom19 days ago
  • Insightful

    This podcast has become one of my weekly favorites. My teenagers love to listen with me also. Highly recommend! Episode on depression was so inspiring

    Apple Podcasts
    5
    Trixieecho
    United Statesa month ago
  • Liked old episodes better

    I preferred the earlier narrated format—it was concise and engaging. I’d love to hear more episodes in that style. The newer interview-style episodes feel longer and less interesting.

    Apple Podcasts
    3
    Whotookallmynicknames?
    United States2 months ago
  • Podcast awesome… Eric Weinstein, unbearable

    I love this podcast and generally like the guest that Dr. Eagleman interviews. The conversations are informative and typically well balanced between more dense jargon and everyday language. However the February 2026 episode with Eric Weinstein was so hard to listen to because Weinstein seems so pretentious, condescending, and out of touch with what it means to be a “good person”. His perspective on Jim Watson suggests that he looks up to Watson even though Watson is a terrible human. Weinstein s... more

    Apple Podcasts
    5
    NeuroNerd264
    United States4 months ago
  • Love this show.

    Today there was an ad from an Epstein file friend and a brilliant man talking about corona and the lies we were told.

    Apple Podcasts
    4
    Outslsrp
    United States4 months ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Insights are accessible and thought-provoking for listeners across backgrounds.
Guests are consistently strong, with credible experts shaping compact, informative conversations.
Many listeners praise the blend of personal stories and scientific depth, though some critique heavy topics or pacing.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#115
United States/Science
Apple Podcasts
#157
Canada/Science
Apple Podcasts
#217
United Kingdom/Science
Apple Podcasts
#110
Australia/Science
Apple Podcasts
#178
Germany/Science
Apple Podcasts
#39
Hong Kong/Science

Talking Points

Recent interactions between the hosts and their guests.

Ep155 "Why Can’t Some People Stop Thinking Certain Thoughts?" with Jon Hershfield
Q: How does OCD affect people differently across cultures?
Prevalence is similar globally, but help-seeking and cultural interpretations vary; content of obsessions differs, but the underlying OCD process is consistent.
Ep155 "Why Can’t Some People Stop Thinking Certain Thoughts?" with Jon Hershfield
Q: What is an intrusive thought and how does it relate to OCD?
Intrusive thoughts are normal brain events; OCD occurs when a person misinterprets them as dangerous or morally urgent and responds with compulsions, creating a reinforcing loop.
Ep154 "Can a Depressed Brain Find Its Way Out?" with Jon Nelson
Q: What did you do after TMS, and how did you come to the decision to try deep brain stimulation (DBS)?
After failed medications and therapies, and a pivotal moment in which DBS was offered, he chose to undergo DBS at Mount Sinai under Dr. Helen Mayberg, which ultimately led to remission of suicidal thoughts and the brain disease.
Ep154 "Can a Depressed Brain Find Its Way Out?" with Jon Nelson
Q: Did you try transcranial magnetic stimulation (TMS) as a treatment, and what happened with that?
He explains starting TMS during a residential program, feeling initial hope as it seemed to help, but facing insurance denials and eventually no lasting relief.
Ep154 "Can a Depressed Brain Find Its Way Out?" with Jon Nelson
Q: Okay, Jon, so you have always been a people guy, super enthusiastic and so on. At some point in your life, you started realizing that you were in a funk. Tell us about that experience, about realizing that and about what this was like for you.
Jon describes a sudden, disorienting shift from a high-energy, extroverted life to a persistent funk that drained motivation, strained family life, and made him question his identity, ultimately recognizing it as depression rather than just a temporary mood.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

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Frequently Asked Questions About Inner Cosmos

What is Inner Cosmos about and what kind of topics does it cover?

A neuroscience-forward show that translates complex brain science into accessible conversations, exploring how perception, memory, and behavior shape our lives. Episodes span topics like depression treatment, anxiety as learned habits, dream engineering, and cognitive science, often featuring scientists, physicians, and thought leaders who connect research to real-world impact. Notable throughlines include practical mental-health tools, long-term thinking, and how technology and AI intersect with human cognition, making it a compelling listen for listeners who want both rigor and human stories.

Unique strengths include high-profile guests spanning neuroscience, psychology, and public science communication, plus a willingness to tackle stig... more

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How many episodes of Inner Cosmos are there?

Inner Cosmos launched 3 years ago and published 173 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Inner Cosmos?

Recent guests on Inner Cosmos include:

1. Catie Cuan
2. Jon Hershfield
3. Jon Nelson
4. Jud Brewer
5. Matt Ridley
6. Adam Haar Horowitz
7. David Sussillo
8. Saul Perlmutter

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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