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Dharma Lab

Dharma Lab

NewThe Shadow Side of MeditationOctober 30, 2026 · 44 min
Episodes
51
Released
every two weeks
Latest episode
Oct 30, 2026

About the podcast

Modern neuroscience meets ancient contemplative wisdom, with Dr. Richard Davidson and Dr. Cortland Dahl

www.dharmalab.co

Episodes 51

  1. The Shadow Side of Meditation

    44 min

    In this episode of Dharma Lab, Cortland Dahl and Richard Davidson are joined by Center for Healthy Minds researchers Simon Goldberg, Polina Beloborodova, and Matt Hirshberg to examine the “shadow side” of …

  2. The Neuroscience of Gratitude

    44 minEpisode 41

    We often think of gratitude as a response to something good happening. But it’s also a skill we can practice.In this episode of Dharma Lab, Cortland Dahl and Richie Davidson explore how to notice and savor …

  3. You don’t have to turn ambition off; September AMA with Cort

    4 min

    This is a free preview of a paid episode. To hear more, visit www.dharmalab.coWhat happens to our drive when we stop looking to the next achievement for fulfillment?In our latest AMA, Cortland Dahl explores …

  4. Your Workout Could Train Your Mind, Too

    36 minEpisode 40

    In this episode of Dharma Lab, Dr. Cortland Dahl and Dr. Richie Davidson explore how exercising your body can also become a way to train your mind. We asked Richie why exercise supports neuroplasticity, and why …

  5. Are You Meta-Aware?

    25 minEpisode 39

    In this episode of Dharma Lab, Cortland Dahl and Richard Davidson unpack the difference between experiential fusion, being so absorbed in an experience that awareness narrows, and meta-awareness, the capacity …

  6. Your brain builds reality like a dream; August AMA with Richie and Cort

    2 min

    This is a free preview of a paid episode. To hear more, visit www.dharmalab.coHow much of what we experience comes from the world itself, and how much comes from our expectations about it? In our latest AMA …

  7. Free Guided Meditation Practice Hour (Recording)

    1 h 2 min

    Dharma Lab’s First Guided Meditation HourIn Dharma Lab’s first guided practice hour, Dr. Cortland Dahl and Dr. Richard Davidson took us from talking about wellbeing to actually practicing it. Drawing on the …

  8. Why Can't I Stay Focused?!

    33 min

    In this episode of Dharma Lab, Dr. Cortland Dahl and Dr. Richard Davidson explore why attention feels harder to control than it used to, how modern technology exploits basic mechanisms in the brain, and what we …

  9. Strangers could tell who the meditators were — July AMA with Richie & Cort

    3 min

    This is a free preview of a paid episode. To hear more, visit www.dharmalab.co(The full AMA recording plays in the video pane above, for Dharma Lab members.)In our 11th AMA, Kim read your questions while Cort …

  10. Does Meditation Really Change Your Brain?

    27 min

    For years, headlines claimed that meditation could actually grow parts of the brain. But what if that’s not the most interesting question?As the science has evolved, researchers have shifted their focus. What …

    Show notes

    For years, headlines claimed that meditation could actually grow parts of the brain. But what if that’s not the most interesting question?

    As the science has evolved, researchers have shifted their focus. What changes in the brain? Which changes matter most? And why might some structural changes grow, then recede, as expertise develops?

    In this conversation, Richie and Cort explore what decades of neuroscience have taught us, what scientists have gotten right, what they’ve gotten wrong, and where the research is heading.

    Enjoy!

    Watch on YouTube; Listen on Spotify or Apple Podcasts.

    If these conversations are useful, please consider subscribing to our YouTube channel.

    Reminder: We have a FREE 1-hour live practice session on Aug 19th, 7pm CT with Richie and Cort discussing how different meditation practices map to the four pillars of well-being (Awareness, Connection, Insight, and Purpose). More details and register here!

    Episode Companion Flashcards!

    In This Episode:

    00:00 Does Meditation Really Change the Brain?

    03:16 Brain Function vs. Brain Structure

    05:41 The Gray Matter Studies That Started It All

    11:45 Why the Gray Matter Evidence Changed

    15:20 White Matter and Brain Connectivity

    18:01 What the Research Actually Means

    21:40 Brain Health, Neuroplasticity, and Human Potential

    Transcript for those who prefer to read:

    Richie Davidson:

    There’s no question that meditation changes the brain.

    We’re talking here about both the function and the structure of the brain. There’s no question that meditation changes the brain, and there is overwhelming evidence for that.

    Structural changes, like increases in gray matter in specific regions of the brain after short amounts of meditation, however, are a different story. The evidence for those findings has really not held up.

    Even more interesting, some of the effects that have been reported are actually the opposite of what we might expect.

    Cortland Dahl:

    Hello everyone. Welcome to another episode of Dharma Lab. I’m Cortland Dahl, and I’m here with Richie Davidson, one of the pioneering neuroscientists who has helped us understand the relationship between the mind, the brain, emotions, and how we can train ourselves to flourish.

    Today we’re diving into one of the biggest scientific questions in meditation research: does meditation actually change the brain?

    When I think about my own life, I can point to experiences that feel like a clear before and after.

    When I started meditating more than thirty years ago, I had a genuine phobia of public speaking. It wasn’t just that I got nervous. I had a severe fear of speaking in front of people.

    Years later, not only do I no longer get anxious, I actually enjoy it.

    I’ve even measured my physiology with devices like my Oura Ring. My heart rate and other biometrics actually shift into a deeply relaxed state when I’m speaking in front of a crowd, something that would have been unimaginable twenty or thirty years ago.

    Whether or not my brain changed, it seems difficult to imagine that such a profound transformation could happen without the brain changing in some way.

    At the same time, we often see confusing headlines.

    One day the headline says, “Meditation changes your brain.”

    The next day another study appears suggesting the opposite.

    Even the phrase “changes your brain” can mean different things. Are we talking about how the brain functions? Are we talking about the physical wiring of the brain? Are we talking about changes in structure?

    Richie, you’ve done some of the most important work in this area, and I think this is one of those topics where the headlines often miss the nuance.

    How should we think about it?

    Richie Davidson:

    You set this up beautifully by distinguishing between functional changes in the brain and structural changes.

    Functional changes refer to differences in how the brain is operating. We can measure those by looking at patterns of activity in different brain regions.

    Structural changes are different. They refer to the physical characteristics of the brain itself.

    That includes gray matter, which consists of the cell bodies of neurons, and white matter, which consists of the axons that connect one region of the brain to another.

    It’s entirely possible for the brain to change functionally without changing structurally.

    If structural changes occur, they almost always imply changes in function as well.

    One of the reasons this field became so exciting was that, about twenty years ago, several early studies suggested that people who completed an eight-week Mindfulness-Based Stress Reduction course showed increases in gray matter in regions such as the prefrontal cortex.

    Those findings generated enormous excitement and headlines claiming that meditation could literally grow your prefrontal cortex.

    Cortland Dahl:

    Before we go further, why would someone even want a larger prefrontal cortex?

    Richie Davidson:

    The prefrontal cortex is central to what we call the executive network.

    It’s involved in planning, goal-directed behavior, regulating attention, forming healthy habits, and inhibiting behaviors we want to change.

    If you’re making a grocery list, planning your route to the store, or intentionally directing your attention toward something important, the prefrontal cortex plays a major role.

    It also allows us to think about the future and reflect on the past.

    That’s incredibly useful, but it’s also one of the reasons humans worry so much.

    As Robert Sapolsky famously described in his book Why Zebras Don’t Get Ulcers, zebras don’t spend time worrying about tomorrow. Humans do, largely because we have this remarkable prefrontal cortex.

    So it’s an extraordinary gift, but it can also contribute to suffering.

    Returning to the research, those early studies suggested that relatively short periods of meditation increased gray matter in regions like the prefrontal cortex.

    Many additional studies followed.

    Then, in 2023, a meta-analysis concluded that Mindfulness-Based Stress Reduction produced structural brain changes.

    However, the story didn’t end there.

    The journal later retracted that meta-analysis because important data had been omitted. When those missing data were included, the reported effects disappeared.

    Around the same time, our own research published in Science Advances found no structural gray matter differences between people who completed Mindfulness-Based Stress Reduction and carefully designed control groups.

    So when it comes to gray matter increases after relatively short periods of meditation, the evidence has simply not held up.

    There’s another finding that’s particularly intriguing.

    Some studies have examined whether people with more meditation experience show greater structural changes.

    Interestingly, the relationship appears to go in the opposite direction.

    The more meditation people have practiced, the smaller the structural differences often become.

    When you think about expertise, that actually makes sense.

    If gray matter simply kept increasing forever, eventually we’d have bumps sticking out of our heads.

    That’s obviously not how biology works.

    Instead, expertise in many domains appears to involve temporary structural changes that later become more efficient as skills mature.

    There may be a period where gray matter increases, but as expertise develops, those changes may naturally recede.

    Cortland Dahl:

    So the story is much more nuanced than simply saying meditation makes your brain bigger.

    Richie Davidson:

    Exactly.

    And that’s where white matter becomes especially interesting.

    White matter reflects the connections between different regions of the brain.

    Across many different kinds of learning, white matter appears to be much more responsive to experience than gray matter.

    For example, beginning jugglers can show measurable white matter changes after only about an hour and a half of training.

    Those changes are dynamic.

    If you stop practicing, they may recede.

    We’ve found similar results with meditation.

    In the same study where we found no gray matter changes, we did observe white matter changes in pathways related to self-…



    This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.dharmalab.co/subscribe
  11. You Don't Get Through The Day Alone - Sharon Salzberg on DL Ep. 36

    54 minEpisode 36

    Sharon Salzberg joins Richie Davidson and Cortland Dahl for a conversation about loving-kindness, connection, and the quiet ways our lives are supported by others.At a time when many people feel lonely, cut …

  12. The Superpowers in Your Brain’s Wiring with Dr. Richard Davidson and Dr. Cortland Dahl (DL #35)

    42 min

    Dr. Richard Davidson and Dr. Cortland Dahl explore how stable differences in brain activity may shape personality and the ways we engage with the world. They discuss introversion, anxiety, approach and …

  13. Boredom is Where You Meet Your Mind; DL Ep.34 with Dr. Richie Davidson and Dr. Cortland Dahl

    24 min

    We now live in a world where boredom is almost optional. The moment there is a gap in the day, we can reach for a device and instantly distract ourselves.In this episode of Dharma Lab, Dr. Richard Davidson and …

  14. DL Ep. 33: The Left Brain / Right Brain Myth with Dr. Richie Davidson and Dr. Cortland Dahl

    29 min

    In this episode, Richie and Cort continue their conversation on brain asymmetry by revisiting one of the most popular neuroscience ideas of the 1990s: the divide between the “left brain” and the “right brain.” …

  15. DL Ep.32: Dopamine Isn’t Your Problem with Dr. Richard Davidson and Dr. Cortland Dahl

    49 min

    In this episode, Richie Davidson and Cortland Dahl unpack a very misunderstood molecule in popular culture: dopamine. Often blamed for craving, scrolling, distraction, and the endless loop of wanting more …

  16. DL Ep. 31: Your Brain Is a Storyteller

    51 minEpisode 31

    In this episode, Richie Davidson and Cortland Dahl deeply explore the science of the emotional brain: why the mind is a storyteller, what split-brain research reveals about consciousness, how brain asymmetry …

  17. DL Ep.30: The Dharma of Relationships with Devon + Nico Hase

    60 min

    Relationships can be one of the most powerful parts of the spiritual path because they reveal the parts of ourselves we cannot easily see alone. In this episode of Dharma Lab, Cortland Dahl and Richie Davidson …

  18. DL Ep.29: Daniel Goleman on Practicing Before Life's Challenges

    52 min

    Dr. Richie Richard Davidson, Cortland Dahl, Dan Goleman DiscussionChapter Summary:00:05:51 — Dan Goleman returns from India and meets Richie Davidson at Harvard00:06:38 — Studying meditation in academia when …

  19. Neuroscience & Practice discussion / takeaways from Nepal

    31 min

    This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.dharmalab.co/subscribe

  20. DL Ep. 28: Mingyur Rinpoche - Are You Drained Or Are You Energized?

    30 min

    We are so honored to welcome Yongey Mingyur Rinpoche to another episode of Dharma Lab. In today’s conversation with Cort and Richie, Rinpoche shares practical ways to stay present in a busy life: a powerful …

  21. DL Ep. 27: Jon Kabat-Zinn

    50 min

    Jon Kabat-Zinn joins Richie and Cort for a wide-ranging conversation on mindfulness, science, and what it means to fully inhabit your life.From the launch of Mindfulness-Based Stress Reduction (MBSR) in a …

  22. DL Ep.26: Four Science-Backed Skills to Deal with Anxiety

    48 min

    Flourishing is multi-dimensional. In today’s episode of Dharma Lab, we apply the four dimensions of flourishing (awareness, connection, insight, and purpose), to something we all experience: anxiety.When these …

  23. DL Ep 25: Flourishing is Contagious

    37 min

    In this episode of Dharma Lab, Cort and Richie explore one of the core ideas behind Born to Flourish: that our inner state doesn’t stay inside. It ripples outward…shaping classrooms, workplaces, families, and …

  24. DL Ep.24: Born to Flourish - The Science of Human Potential

    37 min

    Reminder: Join Richie & Cort tonight at 8pm ET for our monthly AMA HEREIn today’s episode of Dharma Lab, Cort and Richie explore a radical and hopeful idea from their upcoming book Born to Flourish: that we all …

  25. AMA#5 Navigating Neuroplasticity, Non-Dual Awareness, and the Neuroscience of Flourishing

    4 min

    This is a free preview of a paid episode. To hear more, visit www.dharmalab.coReminder: Our Next Live Ask Me Anything (#6) with Richie and Cort will be on Feb 9th at 8pm ET. Please send questions in advance! …

  26. DL Ep. 23: David Yeager on Parenting Teens: What the Adolescent Brain Really Needs

    59 min

    Parenting teens is hard. We often fall into styles that feel protective but end up making things worse. In our latest Dharma Lab episode, Dr. David Yeager, a leading researcher on adolescent motivation and …

    Show notes

    Parenting teens is hard. We often fall into styles that feel protective but end up making things worse. In our latest Dharma Lab episode, Dr. David Yeager, a leading researcher on adolescent motivation and author of 10 to 25, talks with Richie and Cort about why this happens and how to change it. We also explore the neuroscience of adolescent brains, and how the parenting strategies discussed can mirror how we relate to our own inner experience.

    Key concepts from the episode:

    * Most parents default to one of two styles (and not the one we need to start embracing more called the “mentor”)

    * Enforcer: high demands, low support (“toughen up,” “no excuses”)

    * Protector: high empathy, low expectations (removing challenges to avoid distress)Both come from love, and both can unintentionally shut teens down.

    * What teens are actually wired to needAdolescents are especially driven by pride, dignity, and respect…and deeply averse to humiliation or shame. When they feel talked down to, they stop listening.

    * Why this stage is uniquely hard right nowPuberty is starting earlier than ever, while the brain systems that support emotional regulation won’t fully mature until the mid-20s. This widening gap makes misfires more likely for teens and parents.

    * The problem with “grownsplaining”When adults assume their experience makes them the unquestioned expert, teens hear disrespect; even when advice is well-intentioned. That dynamic fuels resistance rather than growth.

    * The mentor mindset offers a different pathHigh standards with real support. Less lecturing, more curiosity. Asking questions instead of delivering answers. Allowing discomfort without removing expectations.

    * Discomfort isn’t always a sign something is wrongAnxiety, frustration, and even tears can mean a young person is stretching toward something meaningful - not failing. What matters is whether distress comes with support or shame.

    * Small tools that make a big difference

    * Do-overs: repairing moments when we miss the mark without lowering standards

    * Reframing stress: helping kids interpret nerves as a sign of doing something important

    * Letting kids resolve conflicts: building independence instead of reflexively intervening

    * A surprising takeaway for parentsHow we relate to our children’s struggles often mirrors how we relate to our own inner discomfort. Learning to be a mentor to ourselves matters too.

    Some quotes from the discussion:

    “I, with a smart adult brain who has survived to at least right now, I must know what I’m doing. And therefore the contents of my logic and reasoning must be accurate and trustworthy... So now I’m just going to export the contents of my thoughts into your ill-formed brain.” - Dr. Yeager affectionately summarizes the prevailing parenting logic.

    “What we’re seeing today is really the first time in human history where there’s this really expanded gap between the onset of puberty and the onset of neural mechanisms that facilitate the regulation of emotion, the regulation of thought.” - Richie

    This Substack is reader-supported. To receive new posts and support our work, consider becoming a free or paid subscriber.

    David’s Book 10-25

    Complimentary episodes from the archives:

    * Real change depends on context, support, and how we relate to difficulty…not sheer discipline:

    * What happens when the mind gets stuck, and how curiosity rather than suppression helps us regain agency:

    * A deeper look at reflection; not as rumination, but as a skill that helps people learn from experience:

    * Why insight changes us, and how it reshapes behavior more effectively than instruction:

    Podcast Chapter List:

    00:00 – Intro: Why parenting teens affects our own wellbeingWhen things aren’t going well with young people, it deeply impacts parents and caregivers.

    01:15 – “Grownsplaining”: why teens stop listeningHow adult certainty and lecturing can feel disrespectful — and shut kids down.

    03:35 – Why parents feel stuck between bad optionsControl, lecturing, or stepping back — why none of these approaches really work.

    05:45 – What teens are wired to need: dignity and respectWhy shame and being talked down to trigger resistance instead of growth.

    08:40 – The puberty–brain gap (why this stage is harder than ever)Puberty is starting earlier, while emotion-regulation circuits mature much later.

    11:00 – Parenting styles that backfire: enforcer vs protectorHigh demands with no support — or empathy with no expectations — and why both miss the mark.

    13:05 – The mentor mindset: high standards with real supportWhat effective parents, teachers, and coaches do differently.

    15:00 – Letting kids work through conflict (stop refereeing)Why solving problems for kids undermines independence and learning.

    17:00 – The NBA shooting coach example: how real learning happensWhy elite coaches don’t over-instruct — and how asking “How did that feel?” builds internal guidance.

    18:10 – Reframing stress: butterflies mean something mattersHelping teens reinterpret anxiety as readiness, not failure.

    22:30 – Why suppressing emotions backfiresWhat kids learn when adults rush to stop tears, anger, or discomfort.

    26:30 – Parenting teens mirrors how we treat our own discomfortHow enforcer and protector styles show up in our inner lives too.

    30:10 – Mindset science: how meaning shapes motivationFrom growth mindset to stress reappraisal — why interpretation matters.

    34:00 – Why teens remember respect (and forget lectures)How wise interventions actually stick over time.

    39:45 – Changing the adults, not just the kidsWhy environments and expectations matter as much as individual mindset.

    44:30 – Final reflections: mentorship as a lifelong practiceHelping teens grow — and learning to be mentors to ourselves.



    This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.dharmalab.co/subscribe
  27. DL Ep.22: The Neuroscience of “Aha” Moments

    43 min

    We’ve all had moments when something suddenly clicks. A realization that doesn’t arrive gradually, but all at once. Cort remembers walking out of a movie theater on a humid summer night after seeing Schindler’s …

  28. DL Ep.21: The Neuroscience of Conscious Habits

    36 min

    On today’s episode of Dharma Lab, we take a closer look at the mechanics of healthy habit formation.Building on a framework we’ve outlined in previous posts—inspiration, intention, action, and repetition—we …

  29. DL Ep. 20: Why Willpower Isn’t Enough - The Neuroscience of Sustainable Change

    28 min

    REMINDER: Live Q&A with Richie and Cort TODAY at 8pm ET on Substack. Over the next two weeks on Dharma Lab, we’ll be exploring the science and practice of meaningful change—why it so often breaks down, and how …

  30. Recording of AMA #4 with Dr. Richie Davidson and Dr. Cortland Dahl

    4 min

    This is a free preview of a paid episode. To hear more, visit www.dharmalab.coThank you to those who tuned into our 4th live video with Dr. Richard Davidson and Dr. Cortland Dahl! Join us for our next live AMA …

These are the latest 40 of 51 episodes. You’ll find older episodes in the podcast’s feed.

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