Robin Carhart-Harris
Psychedelic-Assisted Therapy for Addiction
The use of psychedelic substances for treating addiction is simultaneously one of the oldest therapeutic practices in human history and one of the most promising frontiers of modern psychiatry. Indigenous cultures have used ayahuasca, peyote, iboga, and psilocybin mushrooms for healing addiction...
Breathwork and Altered States: The Breath as a Consciousness Tuning Dial
Human beings have been altering their consciousness for as long as there have been human beings. Archaeological evidence suggests that psychoactive plant use dates to at least 10,000 years ago.
Holotropic Breathwork: Stanislav Grof and the Breath as a Portal to Non-Ordinary Consciousness
In 1975, Stanislav Grof had a problem. The Czech-born psychiatrist, who had conducted some of the most extensive and rigorous research on LSD-assisted psychotherapy in history — over 4,000 supervised sessions during his tenure at the Psychiatric Research Institute in Prague and later at the...
The Default Mode Network: The Brain's Operating System UI and What Happens When You Minimize It
In 2001, Marcus Raichle and his colleagues at Washington University in St. Louis published a paper that would fundamentally reshape neuroscience's understanding of the brain — and, by extension, of consciousness, ego, and the self.
Psychedelic Neuroplasticity Breakthroughs: The Fastest Brain Rewiring Ever Observed
By 2025, the scientific evidence has become overwhelming: psychedelic compounds are the most powerful neuroplasticity inducers ever discovered. A single dose of psilocybin produces structural brain changes — new dendritic spines, new synaptic connections, reorganized neural networks — within 24...
The Default Mode Network: How Psychedelics, Meditation, and Shamanic States Dissolve the Ego
You have a storyteller living inside your skull. It runs constantly — narrating your life, reminding you who you are, comparing the present to the past, worrying about the future, maintaining the continuous narrative thread that you experience as "me." This storyteller is not a metaphor.
Psychedelic-Assisted End-of-Life Care: Psilocybin, Mystical Experience, and the Dissolution of Death Anxiety
In 2016, two landmark studies — one from Johns Hopkins University, one from New York University — reported results that would have seemed impossible a decade earlier: a single dose of psilocybin, administered in a controlled clinical setting with psychological support, produced rapid,...
R. Gordon Wasson: The Banker Who Rediscovered Psychedelic Mushrooms and Launched a Revolution
On the night of June 29, 1955, in a small Mazatec village in the mountains of Oaxaca, Mexico, a 57-year-old vice president of J.P. Morgan & Co.
Terence McKenna's Stoned Ape Theory: How Psilocybin Mushrooms May Have Catalyzed Human Consciousness
Terence Kemp McKenna (1946-2000) was many things: ethnobotanist, psychonaut, author, lecturer, and the most eloquent spokesperson for the psychedelic experience that the English language has ever produced. But his most enduring contribution was a single hypothesis — an idea so radical that...
The Mycobiome and Fungal Consciousness: The Hidden Kingdom Within and the Wood Wide Web of the Body
When researchers map the gut microbiome, they almost always mean the bacteriome — the bacterial communities inhabiting the gastrointestinal tract. Bacteria dominate the conversation, the funding, and the headlines.
The Neurochemistry of the Dark Night of the Soul: Why the Path Through Darkness Has a Biological Basis
Every contemplative tradition describes it. Every serious practitioner encounters it.
The Mystical Experience Questionnaire: Measuring the Most Subjective Human Experience with Scientific Rigor
How do you measure a mystical experience? How do you take the most subjective, most ineffable, most personally transformative event a human being can undergo and reduce it to a number on a questionnaire that can be analyzed with statistics, compared across individuals, and published in a...
The Neurochemistry of Ego Dissolution: The Chemical Pathway from "I" to "No-I"
There is a moment — accessible through psychedelics, through advanced meditation, through spontaneous grace — when the sense of being a separate self dissolves. The boundary between "me" and "everything else" becomes transparent, then permeable, then irrelevant.
The Neurochemistry of Peak Experience: Mapping Maslow's Highest Moments to Molecular Biology
Abraham Maslow, the American psychologist who gave us the hierarchy of needs, spent the last two decades of his career (1950s-1970s) studying something that psychology had systematically ignored: the best moments of human life. Not pathology.
The Neuroscience of Psychedelics
The scientific study of psychedelic compounds has undergone a remarkable renaissance since the early 2010s, producing some of the most significant advances in our understanding of consciousness, neural connectivity, and brain plasticity in modern neuroscience. Classic psychedelics — psilocybin,...
The Psychedelic Renaissance in 2025: A Complete Map of the Field
The psychedelic renaissance — the resurgence of scientific and clinical interest in psychedelic compounds after decades of prohibition — has by 2025 matured from a fringe movement into a legitimate biomedical field with billion-dollar valuations, FDA breakthrough therapy designations, published...
REBUS and the Entropic Brain: How Psychedelics Rewrite Reality
In 2019, Robin Carhart-Harris and Karl Friston published what has become the most influential theoretical paper in psychedelic science: "REBUS and the Anarchic Brain: Toward a Unified Model of the Brain Action of Psychedelics" in Pharmacological Reviews. The paper synthesizes two frameworks —...
Orgasm Neuroscience and Brain Imaging: The Most Complex Neurological Event You Can Experience
In the early 2000s, neuroscientist Barry Komisaruk placed a woman inside an fMRI scanner at Rutgers University and asked her to stimulate herself to orgasm while the machine recorded the blood flow changes in her brain. What the resulting images showed was unlike anything the field of...
Psychedelic Sexuality and Boundary Dissolution: When the Self-Other Divide Melts
There are two experiences in human life that reliably dissolve the boundary between self and other: sexual ecstasy and psychedelic states. Both produce what researchers call "boundary dissolution" — a softening or complete collapse of the felt sense of where "I" end and the world begins.
Ego Death and Spiritual Emergence
Before anything can die, it must first be alive. The ego — your sense of being a separate, continuous "I" with a name, a history, a personality, and preferences — is not a mistake.
Psychedelic-Assisted Therapy: A Clinical Framework
After four decades of prohibition, psychedelic substances are returning to clinical medicine — not as counterculture relics but as the most significant breakthrough in psychiatric treatment since the development of SSRIs. The research is emerging from the world's most rigorous institutions —...
The Science of Mystical Experience: When the Brain Touches the Infinite
There is an experience that defies language yet has been described — haltingly, inadequately, but consistently — across every culture, every century, every religious tradition and none. A moment in which the boundaries of the self dissolve.
Cook-Greuter's Ego Development Framework: The Most Empirically Validated Map of Adult Consciousness
If Ken Wilber built the most comprehensive architecture diagram of consciousness and Spiral Dynamics mapped the cultural operating systems of human civilizations, then Susanne Cook-Greuter produced the most rigorously validated firmware diagnostic tool for individual ego development. Her...
Carl Jung's Synchronicity: The Acausal Connecting Principle That Rewrites the Operating System of Reality
Carl Gustav Jung sat in his consulting room in Zurich, listening to a patient describe a dream. She had dreamed of being given a golden scarab — a costly piece of jewelry.
Neuroplasticity and Trauma Recovery: How the Brain Rewires After Devastation
For most of the twentieth century, neuroscience operated under a doctrine that now seems almost comically wrong: the adult brain was fixed. After a critical period in childhood, the brain was believed to be hardwired — its circuits set, its structure finalized, its capacity for change...
Psilocybin and the 5-HT2A Receptor: How One Receptor Creates the Entire Psychedelic Experience
Of the fourteen serotonin receptor subtypes distributed across the human brain, one stands apart. One receptor, when activated by the right molecular key, produces the most profound alteration of consciousness available through pharmacology: ego dissolution, visual hallucinations, synesthesia,...