Explore every episode of the podcast Lucid Interval Podcast

Dr. Nick Longrich, paleontologist and evolutionary biologist, joins Andrew Heacock on Lucid Interval to discuss why humanity is a planetary outlier, the evolutionary triggers behind human intelligence, and what that tells us about the likelihood of extraterrestrial life.

From the origins of ranged weapons and the extinction of megafauna to the Fermi Paradox, Rare Earth hypothesis, AI consciousness, and hard sci-fi, this wide-ranging conversation bridges deep evolutionary history with speculative cosmology.

Larissa Carneiro, a religious studies scholar from Duke University, explores the fascinating intersections of religion, magic, and psychoactive substances in her work. In this episode, she shares insights on the science of Harry Potter, syncretism, the history of magic, and the cultural significance of substances like ayahuasca and peyote. Larissa and Andrew explore the rich cultural, spiritual, and scientific aspects of indigenous plant medicines, especially ayahuasca and other psychoactive plants. They discuss the importance of respecting traditional knowledge, the complexity of plant preparations, and the potential for new scientific paradigms.

Dr. Rodrigo Nardi, MD, joins Andrew Heacock on The Lucid Interval to challenge the foundational dogmas of modern psychiatry. Drawing from psychology, medicine, and evolutionary theory, Dr. Nardi explains why treating mental suffering as a pure "chemical imbalance" misses the mark—and why depression, anxiety, and boredom are vital biological signals rather than defective brain diseases.

In this deep, wide-ranging discussion, Andrew and Dr. Nardi explore the profound implications of Bruce Alexander’s Rat Park experiment, the psychological price of modern isolation, the reality of drug tolerance and tapering, and how aligning with our fundamental emotional needs offers the only sustainable path to genuine well-being.

What actually happens to the brain during meditation, ego dissolution, and self-transcendence? In this episode of Lucid Interval, Andrew Heacock sits down with cognitive neuroscientist Dr. David Vago to explore the neurobiology of identity, altered states of consciousness, and the science behind contemplative practices and psychedelics.

Dr. David Vago is a research lead and clinical neuroscientist specializing in the mechanisms of mindfulness, self-awareness, and mental well-being. Together, we break down how the default mode network (DMN) shapes our sense of "self," what brain scans reveal during deep contemplative states, and how transformative experiences alter neural connectivity for lasting psychological change.

In this deep-dive interview, Andrew Heacock sits down with renowned psychologist and author Susan Campbell, PhD, to explore the transformative power of "getting real." They discuss the roots of our fears in early childhood, the psychology of triggers, and how radical authenticity can revolutionize our relationships, dating lives, and professional environments.

Dr. Campbell shares wisdom from her 50-year career, offering practical "truth skills" to help move from a state of reactive survival to one of conscious connection. Whether you're navigating the complexities of long-term partnership or the challenges of modern dating, this conversation provides a roadmap for living a more authentic and self-aware life.

Why do humans consume psychoactive substances like alcohol, nicotine, cannabis, and cocaine?

In this episode, evolutionary anthropologist Dr. Edward Hagen breaks down the fascinating evolutionary biology and psychology behind substance use, mental health, and human behavior.

Instead of looking at drug use purely through a modern medical or disease model, Dr. Hagen explores why plants produce these potent chemical compounds in the first place, how our ape ancestors evolved to metabolize ethanol from fermenting fruit (the "drunken monkey" hypothesis), and why humans have sought out plant toxins throughout evolutionary history. We also dive into evolutionary medicine, exploring alternative evolutionary perspectives on depression, stress, and modern psychiatric paradigms.

⏱️ In this episode, we cover:

Why do so many smart, successful people stay stuck in toxic relationships, and what are men and women actually getting wrong in modern dating?

In this episode, dating & feminine embodiment coach Megan Thoma joins Andrew Heacock to break down the neurobiology of relationship addiction, why modern dating apps feel broken, and how to heal subconscious patterns that keep you attracting the wrong partners.

We explore shadow work, intuition vs. instinct, the "good girl" conditioning, and why genuine connection requires nervous system regulation and learning how to truly hold space.

What makes a genius, and how does the brain produce high-level intelligence and creativity? In this deep-dive conversation, clinical neuropsychologist and neuroscientist Dr. Rex Jung, PhD breaks down decades of cutting-edge neuroscience research on the human mind.

We explore the neurological architecture of intelligence, the Parieto-Frontal Integration Theory (P-FIT), awake craniotomies, the neuroscience of creativity, and why traits like persistence and disagreeableness often define historical and modern geniuses—from Isaac Newton to Elon Musk. We also dive into the pitfalls of being labeled "gifted," how embodied cognition shapes reasoning, and whether AI can ever truly replicate human creativity.

Is depression a biological malfunction, or did it evolve as an adaptive tool to help us solve complex life problems?

In this in-depth conversation, evolutionary biologist and psychologist Dr. Paul Andrews (McMaster University) joins Andrew Heacock to explore the evolutionary origins of depression, depressive realism, and rumination. We break down why conventional psychiatry and the DSM model may overpathologize normal emotional pain, the differences between adaptations and byproducts, how depressive thinking can foster hyper-rational problem-solving, and what this means for treatments like Cognitive Behavioral Therapy (CBT) and antidepressants like SSRIs.

Why do humans believe in gods? Is religious faith hardwired into our biology, or is it an accidental byproduct of our evolutionary past?

In this episode, psychiatrist Dr. Andy Thompson (author of Why We Believe in God(s): A Concise Guide to the Science of Faith) breaks down the cognitive neuroscience and evolutionary psychology behind human belief systems. We explore how hyperactive agency detection (HADD), attachment theory, and promiscuous teleology shape our perceptions of higher powers, and delve into the fascinating evolutionary roots of anxiety, OCD rituals, depression, and human social bonding.

What is the origin of religious belief, and how does the human brain mediate spiritual experiences? In this episode, Andrew Heacock sits down with neuroscientist Dr. Patrick McNamara to explore the profound connections between neuroscience, psychology, and religion.

Dr. McNamara explains his influential "decentering" model, describing religious experience as a transformative cognitive process where the "old self" is downregulated to allow a "new self" to emerge. They also discuss the evolutionary roots of religion, ranging from Neanderthal burial practices and animal veneration to the role of dreams as "portals" into the spirit realm throughout human history.

Key topics covered in this episode:

• The Decentering Model: How the brain dismantles and rebuilds the self-model during religious and mystical experiences.
• Dreams and Religion: Why dreams were central to early societies and how they continue to shape spiritual beliefs.
• The Evolution of the "Group Mind": How music, ritual, and "moralizing gods" helped early human groups survive through cooperation and cohesion.
• Neuroscience of the Self: Defining the "self" as a predictive model and exploring how it interacts with group identity.
• Spiritual Disorders: The link between religiosity and neurological conditions like OCD, temporal lobe epilepsy, and "ecstatic seizures."
• The Hard Problem of Consciousness: Why some neuroscientists view consciousness as a fundamental constituent of reality rather than just an emergent property of matter.

Whether you're interested in the mechanics of the brain, the history of human evolution, or the future of spirituality in a scientific age, this conversation offers deep insights into what makes us human.

What if everything you thought you knew about yourself, reality, and the divine was just the surface? Dr. Angela Faith unveils profound insights on awakening to our true nature—beyond ego, beyond the body, beyond belief—and how reconnecting with innate awareness can revolutionize your life.

Most of us have been conditioned to see ourselves as separate, limited beings trapped in a noisy, fast-paced world that disconnects us from our roots and inner wisdom. Angela reveals how modern society’s obsession with external validation, consumerism, and superficial success keeps us asleep—unaware of the powerful energy, love, and divine presence that fundamentally connects us all. She shares her own journey from childhood trauma and spiritual disillusionment to deep, expansive awakening, emphasizing that our true essence is eternal love and consciousness, not the stories we’ve been told.

You'll discover:
How to differentiate the voice of the ego from the higher self—learning to listen to love versus fear.
The role of shamanic practices, meditation, and energy work in dropping into your body and awakening your innate intuition.
Why cyclical dark nights of the soul, health crises, and relationship shifts serve as catalysts for spiritual expansion.
The importance of love, forgiveness, and compassion—especially in challenging relationships and societal divisions.
Practical tools like breathwork, meditation altar setups, and mindfulness routines that anchor you in present moment awareness.

This episode is a transformative invitation to shed conditioned beliefs about who you are and embrace your divine sovereignty. Angela’s candid story of recovery, spiritual awakening, and mastery over shifting perceptions offers hope and clarity for anyone feeling lost, overwhelmed, or disconnected from their purpose. If you’re ready to awaken your inner light and live aligned with your highest truth, this conversation is your map.

Prepare for a profound shift—your journey back to yourself starts now.

Angela's new book can be found at her website at https://www.angelafaith.love

Unlock the surprising truth about psychedelics, law, and what it really means to live a good life. Victoria Cvitanovic, a trailblazing psychedelics attorney, shares her compelling journey from law school to becoming a leading figure in the legal and ethical landscape of plant medicines. She reveals how societal perceptions, political agendas, and personal trauma shaped the criminalization of psychedelics—and how recent shifts could redefine your rights and access.

In a candid conversation, Victoria breaks down the complex intersection of psychedelics, spirituality, and the law—exploring everything from religious exemptions, the dangers of criminalization and "lawfare," to the importance of sovereignty and privacy in psychedelic therapy. You'll discover why her work is more than legal advocacy—it's about restoring human dignity, fostering authentic connection, and challenging the societal masks we wear.
We dive into fascinating topics like the science of what psychedelics do to the brain, how they can heal deep trauma, and why understanding our true selves is essential for living meaningfully. Victoria shares personal stories of transformation, including her journey with chronic pain, disability, and the profound awakening that led her to combine Buddhist practice with psychedelic medicine.

This episode is perfect for anyone curious about the future of mental health, the ethics of drug policy, or seeking practical insights on how to navigate a world where the boundaries of legality and spirituality blur. If you've ever wondered what it truly means to connect with oneself and others—and how societal systems impact that connection—don't miss this vital conversation.
Victoria Cvitanovic is a licensed attorney specializing in plant medicine, AI, and healthcare law. Her groundbreaking work combines legal expertise with a deep spiritual perspective, advocating for safe, equitable access to medicines that facilitate compassion and self-discovery.

Transform your understanding of the mind, the law, and what it truly means to live authentically—listen now and join the movement toward a more just and connected world.

Jenn Cutliffe is the founder of Somatic Strength, a Nashville-based training philosophy, community, and immersive experience redefining the way we relate to our bodies. Blending strength training, yoga philosophy, and nervous system work, she bridges exercise science with embodied awareness—guiding people out of “mind over matter” and into deeper relationship with themselves.

Through her classes, 1:1 training, and high-energy group experiences, Jenn creates environments where movement becomes both challenge and catharsis—building real, lived resilience.

Her mission is simple but powerful: to help people remember that their body is not a project to fix—but a home to return to.

Neuropsychiatry, Brain Health & the Art of Medicine | Dr. Craig Clark
What happens when conventional psychiatry fails you? You find someone like Dr. Craig Clark.

Dr. Clark is a neuropsychiatrist, former Vanderbilt professor, and one of the rare physicians who still believes that talking to your patients is medicine. In this conversation, we go deep on what neuropsychiatry actually is, how diagnosis works (and where it breaks down), and why the managed care model has hollowed out so much of what medicine was supposed to be.

We also explore the innovative modalities Dr. Clark uses with his patients — neurofeedback, transcranial magnetic stimulation, intranasal esketamine-assisted therapy — and what it means to practice at the frontier of brain health when the system wasn’t built for it.

This is a conversation about science, compassion, and what it takes to become the doctor people come to when everything else has failed.
Topics we cover:
∙ What neuropsychiatry is and how it differs from conventional psychiatry
∙ How diagnosis works — and where the system gets it wrong
∙ Neurofeedback, TMS, and esketamine-assisted therapy
∙ Why Dr. Clark still does talk therapy (and why that’s unusual)
∙ How managed care has changed medicine — and what we’ve lost
∙ The path to becoming a physician who colors outside the lines

In this conversation, Dr. Patty Van Eys shares her journey as a clinical psychologist specializing in child trauma and attachment. She discusses the profound impact of spirituality on her work and the importance of understanding trauma through the lens of attachment theory. Dr. Patty emphasizes the healing power of play and creativity, particularly in children, and explores the complexities of dissociation and the mind's protective mechanisms. The dialogue also touches on the role of acting as a therapeutic tool and the significance of being open to spiritual experiences in the healing process. Dr. Patti and Andrew explore the complexities of attachment styles, the impact of early childhood experiences on development, and the intersection of mental health and the legal system. They discuss the importance of understanding trauma, the role of creativity in healing, and the transformative power of grief. Patti shares her personal journey through loss and how it has shaped her understanding of spirituality and healing, emphasizing the need for compassion and connection in navigating life's challenges.

In this conversation, Andrew and Dr. Jonathan Rosenthal discuss how physiological responses to stress can be reframed as opportunities for growth. They delve into the concept of hormesis, the benefits of yoga in finding meaning, and the potential of yoga in treating chronic pain and opioid addiction. The discussion also touches on the limitations of EEG in diagnosing disorders, the significance of brainwave frequencies, and the upcoming neuroscience and yoga conference that aims to further research in this field.

In this conversation, Philippe Blais and Andrew Heacock explore the complexities of masculinity, the importance of adversity in personal growth, and the role of spirituality in overcoming ego. They discuss how surrendering to a higher power can aid in embracing one's masculinity and the significance of rites of passage. The dialogue also delves into the relationship between creativity and ego, emphasizing the need for action in recovery and the joy of artistic expression. Ultimately, they highlight the importance of participating in life and the transformative power of travel and self-discovery.

In this conversation, Andrew and Professor Ken Levy discuss the complexities of free speech, particularly in academic settings, the implications of social media on speech, and the distinction between offensive and dehumanizing speech. They explore the philosophical debates surrounding free will, its implications for criminal justice, and the societal influences that shape individual choices. The discussion also touches on personal experiences with suffering, forgiveness, and the search for meaning in adversity.

To support Professor Levy in his legal battle to regain his job as a tenured professor at LSU Law Center, you can donate to his GoFundMe at: https://www.gofundme.com/f/leave-levy...