Sunday, March 22, 2026

Rewiring Your Brain

You know you should stop. You know you should start. You know you should leave, or stay, or speak up, or let go.

You’ve known for a long time, but you're not doing it—you're also not the only one stuck at this point along the path to personal fulfillment.

This mystery is central to being a person, knowing what to change while being simultaneously mystified at why knowing isn’t enough: why you can see the right choice with crystal clarity and then watch yourself make the wrong one, why the tenth resolution fails exactly like the first nine, why insight alone changes almost nothing.

Nobody is sitting around drinking a case of beer a day thinking it’s fine. Nobody scrolling past midnight believes it’s nourishing them. Nobody avoiding the conversation thinks the avoidance is working.

The knowing is there; the doing doesn’t follow effortlessly.

The gap between those two things—the knowing and the doing—is not actually a moral failure but a neurological fact.

The knowing and the doing are handled by wholly different brain systems. In most people, most of the time, those systems are in chronic conflict. This is what psychedelic research is pointing toward—not “here’s a drug that fixes you” but here are the scientific reasons that knowing isn’t enough. Here are the specific systems overriding your will, and here is what it actually takes to tip the balance, with or without the compound.


To understand what those systems are and how to work with them, it’s crucial to grasp the extraordinary histories involved in drawing the map we’re seeking in this piece.


The Accidental Discovery

A vintage bicycle with a leather briefcase in its basket rests on wet cobblestones beside a glowing amber streetlamp, surrounded by moody European architecture dissolving into warm light and mist at dusk.

Basel, 1943. The most famous bike ride in the history of science.

November 16, 1938. A Swiss chemist named Albert Hofmann was working at Sandoz Laboratories in Basel, studying derivatives of ergot — a parasitic fungus that grows on rye. On his twenty-fifth variation of lysergic acid, he synthesized a compound called lysergic acid diethylamide.


LSD-25.


It was tested on sedated animals; they became restless. Nothing remarkable was noted. The compound was shelved.


Five years later, Hofmann returned to it, driven by what he called a “peculiar presentiment” that something had been missed. On April 16, 1943, while resynthesizing the compound, he accidentally absorbed a trace amount through his skin. He felt dizzy, went home early, and with his eyes closed experienced a stream of vivid images unlike anything he’d encountered before.


Three days later (April 19, 1943) he deliberately ingested 250 micrograms, not realizing this was a massive dose. Within an hour, he became distressed as his laboratory began to shift. Wartime restrictions prohibited automobiles, so his assistant escorted him home by bicycle.


What followed was the most famous bike ride in the history of science.


His visual field wavered and distorted. He was convinced he was going insane. His neighbor appeared as a malevolent witch. When the house doctor found nothing physically wrong save widely dilated pupils, the terror gave way.


By morning, the world appeared as if newly created.


Hofmann had accidentally opened a window into what happens when the brain’s default mode network goes quiet. He didn’t have the language for it, but he knew something important had happened.


The Insight They Found and Lost

An infographic timeline spanning 1938 to 2024, tracing the history of psychedelic research from Hofmann's synthesis of LSD through thirty years of silence to the modern renaissance, with key milestones marked in amber and coral against a dark background.

From a Swiss laboratory to the most promising clinical data in mental health, we’ve lived through the thirty years of silence in between.

What followed was one of the most productive (and least remembered) chapters in the history of psychiatry.


The golden age, in numbers:


1,000+ scientific papers published on LSD by the mid-1960s


40,000+ patients received LSD as clinical treatment


~2,000 alcoholics treated by Humphry Osmond in Saskatchewan (with success rates that dwarfed every existing treatment)


The co-founder of Alcoholics Anonymous endorsed the approach


Cary Grant underwent LSD therapy and spoke publicly about its effects


1953. Osmond—who coined the word “psychedelic,” from the Greek for “mind-manifesting—” gave mescaline to the novelist Aldous Huxley. The experience produced The Doors of Perception, the first major literary account of chemically expanded consciousness. Huxley believed these compounds were too powerful for mass distribution and should be introduced carefully through artists and scientists.


At the same time, Hofmann isolated and synthesized psilocybin—the active compound in “magic mushrooms.” The man who discovered LSD also gave us the molecule that would, decades later, produce the most compelling clinical data in modern psychiatry.


1960. Timothy Leary ate psilocybin mushrooms in Mexico, returned to Harvard electrified, launched the Harvard Psilocybin Project, took psychedelics alongside his research subjects, gave psilocybin to undergraduates, and was fired alongside his colleague Richard Alpert in 1963.


“Turn on, tune in, drop out” became his slogan. Serious researchers watched their life’s work become associated with the counterculture. Nixon called Leary “the most dangerous man in America.”


Alpert took a different path. He went to India, found his guru, changed his name to Ram Dass, and wrote Be Here Now, one of the most influential spiritual books of the twentieth century. He never renounced psychedelics, but he came to see them as a door you walk through once, not a room you live in.


The contemplative practice was the room.


November 22, 1963—the same day President Kennedy was assassinated—Aldous Huxley lay dying of laryngeal cancer. Unable to speak, he wrote a note to his wife Laura: “LSD, 100 µg, intramuscular.”


She administered it. He died peacefully several hours later. The man who introduced psychedelic consciousness to the Western literary imagination chose to leave through the same door. His death went almost entirely unreported. The world was watching Dallas.


1970. The Controlled Substances Act classified LSD and psilocybin as Schedule I. Research funding evaporated.


For thirty years, the most promising field in mental health went dark.


The Renaissance

A silhouetted figure meditates in a dim concrete room as golden mycelium networks crack through the floor beneath them, spreading outward in every direction and glowing brighter as they reach toward a vast luminous landscape visible through an opening ahead.

Roland Griffiths sat still and reopened a crucial door that had been sealed for thirty years.

The resurrection of psychedelic research began with a meditator.


Roland Griffiths had been a clinical pharmacology researcher at Johns Hopkins for decades, studying caffeine, sedatives, nicotine. In the 1990s, he began a Siddha Yoga meditation practice and found himself genuinely curious about consciousness itself. In 1999, he obtained regulatory approval to give psilocybin to healthy volunteers—the first such study since the 1970s.


The 2006 results changed everything. A single dose produced mystical experiences that 67% of participants rated among the most meaningful of their entire lives. At 14-month follow-up, 58% still ranked it in their top five (Griffiths et al., 2006, 2008).


Gone were the days of Timothy Leary’s flagrancy. This was Johns Hopkins, with blind controls and peer-reviewed methodology.


Griffiths died of colon cancer in 2023, having seen the field he resurrected generate over 150 publications and a $24 million endowed professorship in his name.


Robin Carhart-Harris at Imperial College London designed the first modern brain-imaging studies with psychedelics and developed the two frameworks that now anchor the field:


The entropic brain hypothesis: depression and addiction are states of excessive rigidity, i.e. too much order in brain connectivity. Psychedelics restore flexibility by increasing entropy (Carhart-Harris, 2018).


The REBUS model (Relaxed Beliefs Under Psychedelics): Psychedelics relax the brain’s top-down predictions and amplify bottom-up experience (Carhart-Harris & Friston, 2019). Your brain normally filters reality through a model of itself. Psychedelics temporarily dissolve the filter.


Carhart-Harris founded Imperial’s Centre for Psychedelic Research, moved to UCSF, and has been cited over 43,000 times. TIME named him one of 100 rising stars shaping the future.


Paul Stamets—a self-taught mycologist, the star of Fantastic Fungi, and founder of MycoMedica Life Sciences ($60 million raised for psilocybin research)—shifted the conversation from “psychedelics as drugs” to “mushrooms as medicine.” His Stamets Stack protocol has been tested in a large observational study of over 900 microdosers (Rootman et al., 2022).


In 2018, Michael Pollan published How to Change Your Mind, a deliberately skeptical account written by a 60-year-old food writer with no prior interest in altered states. It became a bestseller and a Netflix series, giving millions of people permission to take the science seriously.


Griffiths proved it works. Carhart-Harris explained why. Stamets and Pollan are making the world listen.


The Systems Working Against You

An ancient golden tree seen from below, its branches spreading outward into a dark cosmos where sacred geometry mandalas from multiple contemplative traditions orbit among the stars, its roots mirroring the branches below in equal complexity.

Four systems, one self-reinforcing cycle—each operates below conscious awareness, each overrides your intentions through mechanisms you didn't choose.

Pema Chödrön wrote: “Nothing ever goes away until it has taught us what we need to know.”


Here is why knowing isn’t enough, explained system by system.


Each of these brain systems operates below conscious awareness, overriding your intentions through mechanisms you can’t see and didn’t choose. Psilocybin is the first tool that disrupted all of them simultaneously, which is why the clinical results are so dramatic…and which is why studying what it does to each system tells us exactly what needs to change for you to change.


For each system: what it does to keep you where you are, what psilocybin does to it, and what you can do to work with it yourself.


The Default Mode Network

A surrealist painting of a human head in profile, its interior filled with a living psychedelic landscape — a luminous mushroom where the brain should be, golden mycelium threading downward as a nervous system, crystals and an eye emerging from the neural terrain, and a small caged figure visible behind the forehead.

The default mode network narrates a version of you that resists revision. The brain treats that story as data.

The Story That Decides Before You Do

Why knowing isn’t enough: Before you even get to the decision, the DMN has already decided who you are and therefore, what you’re capable of. It’s the voice that says “I’m someone who...” and fills in the blank with a fixed identity that resists revision.


You know you should change. But the DMN has already narrated a version of you that can’t.


Your brain has a background operating system called the default mode network. It activates whenever you’re not focused on an external task, when you’re replaying yesterday’s argument, rehearsing tomorrow’s confrontation, narrating your life story in a tone that ranges from mildly critical to relentlessly punishing.


Over time, it calcifies. In depression, it becomes a rumination engine (Hamilton et al., 2015). In addiction, it reinforces the identity that keeps you using. In any pattern you can’t break, the DMN is narrating a story about why change is impossible — and the brain treats that story as data.


What psilocybin does: Suppresses the DMN dramatically. The self-narrative goes quiet. The rigid hierarchy of brain connectivity loosens. Information flows between regions that normally don’t communicate.


The 2024 Nature study confirmed that the degree of DMN disruption predicted the intensity of the subjective psychedelic experience (Siegel et al., 2024). Carhart-Harris’s entropic brain hypothesis frames this as a shift from excessive order to flexible complexity — the neurological equivalent of shaking a snow globe.


What you can do today:


Meditate. Even 10 minutes of focused-attention meditation measurably reduces DMN activity. Experienced meditators show persistent DMN suppression even outside of sessions. The practice doesn’t silence the voice permanently — it builds the capacity to notice it without obeying it.


Practice holotropic or shamanic breathwork. When LSD was banned, psychiatrist Stanislav Grof developed holotropic breathwork specifically as a non-pharmacological alternative — sustained rapid breathing combined with evocative music in a supported setting. Preliminary neuroimaging research shows DMN modulation similar in direction (if not intensity) to psychedelics. Over 11,000 psychiatric inpatients participated in holotropic breathwork sessions over a 12-year period with no recorded adverse reactions (Eyerman, 2013). Wim Hof breathing, tummo, and certain pranayama techniques occupy the same territory: altered states through breath alone.


Spend extended time in silence. Solitude and silence reduce DMN reliance on habitual social-prediction circuits. Contemplative retreats — even secular ones — consistently report that the first 48 hours are dominated by accelerating mental noise, followed by a qualitative shift in which the narrative voice quiets and present-moment awareness intensifies. The DMN doesn’t need a compound to release its grip. It needs the conditions under which its constant narration becomes unnecessary.


The Reward System

An ornate birdcage stands open in a dark forest of twisted trees and glowing mushrooms, a warm fire burning inside it while a moth hovers just outside the open door, caught between the flame within and the vast bioluminescent forest beyond.

The door is open; the moth circles the flame anyway. The reward system has classified the behavior as a survival need, and survival needs override rational thought.

The Override Switch

Why knowing isn’t enough: You can know — rationally, clearly, with total conviction — that the behavior is destroying you. It doesn’t matter. The reward system has classified the behavior as a survival need, and survival needs override rational thought.


The midbrain that processes “I need water” processes “I need the drink” through the same circuitry.


The nucleus accumbens learns to associate relief with whatever numbs discomfort—alcohol, food, scrolling, avoidance, any compulsive behavior. Meanwhile, the prefrontal cortex becomes “hypoactive and unable to counteract the urges and demands of the reward system” (Giuffra, 2015, p. 31).


The part of you that knows better literally loses the neurological capacity to act on it.


What psilocybin does: disrupts the habitual reward pathways. The substance or behavior registered as a survival need loses its neurological grip. In a randomized controlled trial, heavy drinking days dropped to 9.7% over 32 weeks in the psilocybin group, compared to 23.6% in the active placebo group (Bogenschutz et al., 2022). A systematic review of psilocybin in addiction found converging evidence across multiple studies, though most remain small and early-stage (van der Meer et al., 2023).


What you can do today:


Help someone without expecting anything back. fMRI research shows that altruistic behavior activates the mesolimbic pathway (the same reward highway hijacked by addiction) but sustainably—without the spike-crash cycle. Service recalibrates the system by giving it something genuinely nourishing instead of something that merely numbs.


Do the hard thing first. Every time you override a compulsive urge—delay the scroll, skip the drink, sit with the discomfort instead of numbing it—you are literally reweighting the balance between the prefrontal cortex and the reward system. Neuroplasticity works in both directions. Each override is a data point that weakens the old circuit and strengthens the new one.


Move your body intensely. Vigorous exercise floods the reward system with endorphins and endocannabinoids through pathways that don’t create dependence. It also upregulates BDNF (brain-derived neurotrophic factor), which supports new neural connections—the same neuroplasticity that psilocybin promotes through a different mechanism.


The Anterior Cingulate Cortex

 A single candle flame burns in deep underwater darkness, radiating coral and amber light outward through the water as bioluminescent particles drift around it like snow against a painterly dark blue background.

The anterior cingulate cortex monitors the gap between your values and your behavior every waking moment. It cannot be extinguished, and it was never meant to be comfortable.

The Alarm That Makes It Worse

Why knowing isn’t enough: You don’t just know you should change—you feel that you should. Constantly.


The anterior cingulate cortex monitors the gap between your values and your behavior every waking moment, generating a low-grade agony you can’t name but can’t escape. And here’s the cruel part: that agony drives you toward the numbing behavior, not away from it. The very system that registers the problem fuels the cycle.


What psilocybin does: Ego dissolution allows people to see their own lives with the objectivity of a witness rather than the defensiveness of a participant. The anterior cingulate cortex’s alarm—“your life doesn’t match your values—” is heard clearly, perhaps for the first time, without the numbing that usually suppresses it.


The mystical experience gives you the courage to respond to the alarm without panicking.


What you can do today:


Write an honest inventory of your life. Not a journal entry. A structured, unflinching list: where is my behavior out of alignment with what I actually value? This is, neurologically, what AA’s Step 4 does: takes the anterior cingulate cortex’s diffuse alarm and pins it to specifics. The prefrontal cortex can work with specifics. It cannot work with a vague sense of wrongness.


Then do the thing you’ve been avoiding. Make the call. Have the conversation. Send the letter. Leave. Begin. Every action that closes the gap between your values and your behavior quiets this alarm, not through numbing, but through resolution. Each aligned action is a data point the brain registers as evidence that you are who you say you are.


Practice memento mori meditation. The contemplative traditions understood that awareness of death clarifies values faster than anything else. When you meditate on the fact that your time is finite—genuinely, not abstractly—the anterior cingulate cortex’s alarm becomes useful rather than agonizing. What matters becomes obvious. What doesn’t falls away.


The Shame Circuit

An enormous human eye in extreme close-up, its iris containing an entire surrealist landscape — a figure climbing stairs toward a dark pupil ringed with amber light, mountainous terrain, and tiny mushrooms along the lashes — while an iridescent tear falls past molecular structures visible in the surrounding skin.

Shame activates the same brain regions as physical pain. It generates the conviction that you’re uniquely broken—that conviction makes honest self-examination feel like self-destruction.

The Reason You Can’t Even Look

Why knowing isn’t enough: knowing requires looking at yourself honestly. Shame makes that impossible.


It generates a conviction that you are uniquely broken (not that you have a problem, but that you are the problem) and that conviction makes honest self-examination feel like self-destruction.


So you look away. And the not-looking is what keeps everything else in place.


Social rejection activates the same brain regions as physical pain (Eisenberger et al., 2003)—and shame is rejection turned inward. Shame is the mortar holding the other systems together: the DMN narrates the story of your brokenness, the reward system numbs the pain of it, the prefrontal cortex can’t override what it can’t face, and the anterior cingulate cortex keeps screaming that something is wrong.

What psilocybin does: The mystical experience reliably produces feelings of interconnection, compassion, and self-acceptance. The boundaries between self and other become fluid. In Griffiths’s studies, 61% of participants reported complete mystical experiences, and the majority rated them among the top five most personally meaningful experiences of their lives (Griffiths et al., 2006, 2008). In clinical trials, the intensity of the mystical experience consistently predicts the magnitude of therapeutic change across depression, addiction, and end-of-life anxiety.

Shame cannot survive the dissolution of the self it depends on.

What you can do today:

Tell someone the truth about yourself. One person. Face to face. The specific thing you believe would make them leave if they knew. The prediction that “if they knew, they’d leave” is often worse than the reality. Witnessed disclosure updates the brain’s threat model in real time. The prediction is proven false. Shame loses its power.


Practice loving-kindness meditation. This isn’t soft. It’s a systematic retraining of the brain’s social-evaluation circuits. You extend compassion first to yourself, then to people you love, then to neutral people, then to difficult people. Neuroimaging studies show that metta practice increases activation in empathy circuits and decreases activation in threat-detection regions.


Seek witnessed experience, not advice. Group meditation, breathwork circles, honest conversation, recovery meetings, contemplative retreats. The mechanism is the same across all of them: the nervous system co-regulates in the presence of other nervous systems. Mirror neurons fire. Your brain borrows their calm until yours comes back online. Shame dies in community. It cannot survive being spoken aloud to someone who stays.


The Mystical Experience Is Not a Side Effect

An enormous translucent lotus flower floats on dark water beneath a full moon, each petal containing a different world — a night sky, a neural network, a forest canopy — with an eye visible at its glowing amber center and a tiny mushroom reflected in the still water below.

The intensity of the mystical experience is the single strongest predictor of therapeutic outcome. The experience is the medicine.

William James wrote (1902): “Our normal waking consciousness, rational consciousness as we call it, is but one special type of consciousness, whilst all about it, parted from it by the filmiest of screens, there lie potential forms of consciousness entirely different.”


This is the finding that makes scientists most uncomfortable and matters most:


The intensity of the mystical experience is the single strongest predictor of therapeutic outcome. Not dosage. Not diagnosis. Not the quality of the therapist. The experience is the medicine.


James defined the mystical experience with precision: ineffability, noetic quality (a sense of deep knowing), transiency, and passivity (the feeling that something is happening to you). Psilocybin produces it with remarkable reliability.

Jews call this bittul.

And neuroscience is now converging from an entirely different direction: when the DMN releases its grip, the boundaries between self and world dissolve, and what people report is not emptiness but fullness, not loss but connection, not confusion but clarity. Neuroimaging studies have confirmed that increased global functional connectivity under psychedelics correlates strongly with subjective reports of ego dissolution (Tagliazucchi et al., 2016), and standardized measures of that dissolution have been validated across multiple studies (Nour et al., 2016).


Three completely different pathways—a molecule, a practice, and a physiological crisis (near-death experiences share the same features)—all produce the same phenomenological and neurological changes. They’re not three different experiences—they’re three different routes to the same state, one the brain is capable of but that ordinary waking consciousness, with its DMN dominance, actively suppresses.


The Data Are Not Subtle

An infographic comparing psilocybin results to best existing treatments across four conditions — alcohol use disorder, major depression, treatment-resistant depression, and smoking cessation — with large bold percentage numbers showing the contrast between psilocybin outcomes and standard treatment outcomes.

Psilocybin vs. best existing treatments, from controlled clinical trials.

To be sure, the clinical results are arriving faster than most people realize.


Alcohol use disorder: Heavy drinking days dropped to 9.7% over 32 weeks vs. 23.6% for active placebo. The best FDA-approved medication requires treating 9 people for 1 additional abstinence case beyond placebo (Bogenschutz et al., 2022).


Major depression: 25% sustained remission from a single dose; 42% sustained therapeutic response. After four failed medications, the STAR*D trial found remission drops to 13% (Raison et al., 2023).


Treatment-resistant depression: 29% remission at three weeks vs. 8% for control. These are patients for whom everything else had already failed (Goodwin et al., 2022).


Smoking cessation: 80% smoke-free at six months, biologically verified. Best existing medications: below 35% (Johns Hopkins pilot).


What We Don’t Know

A detailed golden-ink map spread across a dark surface, intricately drawn on the left half but ending abruptly at the center where the parchment becomes blank, with a single psilocybin mushroom growing at the border between the mapped and the unmapped, and a compass resting nearby.

The map is extraordinary and incomplete. Intellectual honesty requires taking the limitations as seriously as the results.

Intellectual honesty requires the following acknowledgments:


Psychedelics are not universally safe. Personal or family history of psychotic disorders—schizophrenia, schizoaffective disorder, bipolar I—elevates risk significantly. Rigorous screening is non-negotiable.


Set and setting matter enormously. The drug is not the therapy. The drug plus preparation, environment, and integration is the therapy.


Long-term data is limited. Most studies follow participants for weeks to months. Whether repeated dosing is safe and effective over years remains unknown.


The replication problem is real. Small sample sizes, high individual variability, potential expectancy effects. Phase 3 trials are underway but not complete.


Integration is everything. A psychedelic experience without integration is a fireworks show: spectacular, fleeting, and decorative.


These aren’t reasons to dismiss the data. They’re reasons to take it seriously, which means taking the limitations as seriously as the results.


The Only Other Thing That Comes Close

A circle of simple wooden folding chairs resting on a warm bed of golden light and stars, with luminous threads connecting each chair to the next and a steaming coffee cup at the center, golden droplets falling from above like gentle rain.

A peer-led program from 1935 and a compound found in mushrooms both work by engaging the same brain systems.

There is one other intervention that works with all four of these systems; this one through a structured program sustained over months and years.


It’s free. It’s available in 180 countries. It has nearly two million members. And a 2020 Cochrane review of 10,565 participants found it more effective than other established treatments at producing abstinence from alcohol (Kelly et al., 2020a).


It’s Alcoholics Anonymous.


The twelve steps (built in 1935 by two men with no neuroscience training) target every system described in this piece:


DMN suppression → through ego surrender


Reward recalibration → through service


Prefrontal re-engagement → through structured self-examination


Values-behavior gap closure → through amends


Shame processing → through witnessed disclosure


Bill Wilson himself experimented with LSD in the 1950s under clinical supervision and believed it could help alcoholics achieve the spiritual experience the steps were designed to produce (Hartigan, 2000). He was decades ahead of the renaissance.


The fact that a peer-led program from 1935 and a compound found in mushrooms both work by engaging the same brain systems should tell us something profound, not about either intervention but about what conscious transformation actually requires.


(For the full neuroscience of how each of the twelve steps maps onto these mechanisms, see: Why AA Works: The Neuroscience of the Twelve Steps.)


The Map and the Territory

A figure in a lab coat walks away from the viewer along a cracked concrete path that gradually gives way to living earth and moss, heading toward a horizon where an enormous luminous tree of neural networks and sacred geometry erupts into a psychedelic sky of coral, amber, and teal.

Psychedelic research gave us the most detailed map of how the brain changes that neuroscience has ever produced. The science is open again. We can't afford to close that door a second time.

So if the question is: why can’t I do the thing I know I should do?


The honest and most useful answer is: it’s the result of four systems working in concert below the level of conscious awareness.


A self-narrative that has already decided you can’t change


A reward system that has classified your worst habit as a survival need


An alarm that uses your own values against you


A shame response that prevents you from looking at any of it honestly


Knowing doesn’t dismantle these systems because knowing happens in the prefrontal cortex, which is the weakest player at this table. It’s outnumbered and outgunned.


That’s why willpower fails. That’s why insight alone changes almost nothing and why the tenth resolution fails just like the first nine.


Psilocybin disrupts all four systems simultaneously and gives the prefrontal cortex a window in which it can actually see clearly. Given all this, it makes sense that the results are so dramatic and why one dose can do what years of therapy sometimes can’t.


But the compound isn’t required. Every system described in this piece can be engaged through practices that are legal, free, and available now:


Meditate—to loosen the DMN’s grip on your identity


Breathe—to access altered states that disrupt habitual processing


Help someone—to recalibrate the reward system with something real


Write honestly—to give the prefrontal cortex specifics it can work with


Do the thing you’ve been avoiding—to close the values-behavior gap


Remember that you will die—to clarify what matters


Tell someone the truth about yourself—to dissolve shame in the presence of a witness


Psychedelic research gave us the most detailed map of how the brain changes that neuroscience has ever produced. Every practice on this list targets the same systems the compound does.


We lost thirty years of progress on psychedelic research once. The science is open again now, and what's being discovered is rewriting our understanding of consciousness itself. We can't afford to close this door a second time.


Target SystemThe GoalPractical Steps
Default Mode NetworkLoosen the "Self-Story"

Meditate: Even 10 minutes daily reduces DMN activity.


Breathwork: Use rapid breathing (Wim Hof/Pranayama) to shift states.


Silence: Spend extended time alone to quiet social-habit circuits.

Reward SystemRecalibrate Cravings

Service: Help others to trigger sustainable, non-crashing dopamine.


Inverse Sequencing: Do the "hard thing" first to strengthen the prefrontal cortex.


Intense Movement: Use vigorous exercise to flood the system with endorphins.

Anterior CingulateClose the Values Gap

Honest Inventory: List exactly where your behavior defies your values.


Immediate Action: Have the conversation or make the call you’ve been avoiding.


Memento Mori: Meditate on your mortality to clarify what actually matters.

Shame CircuitDissolve Isolation

Witnessed Truth: Tell one trusted person the specific thing you're hiding.


Loving-Kindness: Practice Metta meditation to retrain empathy circuits.


Community: Seek group experiences (circles, meetings) to co-regulate.


References

Bogenschutz, M. P., Ross, S., Bhatt, S., et al. (2022). Percentage of heavy drinking days following psilocybin-assisted psychotherapy vs placebo in the treatment of adult patients with alcohol use disorder. JAMA Psychiatry, 79(10), 953–962. https://doi.org/10.1001/jamapsychiatry.2022.2096


Carhart-Harris, R. L. (2018). The entropic brain — revisited. Neuropharmacology, 142, 167–178. https://doi.org/10.1016/j.neuropharm.2018.03.010


Carhart-Harris, R. L., & Friston, K. J. (2019). REBUS and the anarchic brain: Toward a unified model of the brain action of psychedelics. Pharmacological Reviews, 71(3), 316–344. https://doi.org/10.1124/pr.118.017160


Eisenberger, N. I., Lieberman, M. D., & Williams, K. D. (2003). Does rejection hurt? An fMRI study of social exclusion. Science, 302(5643), 290–292. https://doi.org/10.1126/science.1089134


Eyerman, J. (2013). A clinical report of holotropic breathwork in 11,000 psychiatric inpatients in a community hospital setting. MAPS Bulletin Special Edition, 23(1), 24–27.


Giuffra, L. A. (2015). A proposed mechanism of action for the twelve steps of Alcoholics Anonymous. Revista de Neuro-Psiquiatría, 78(1), 30–34. https://doi.org/10.20453/rnp.v78i1.2358


Goodwin, G. M., Aaronson, S. T., Alvarez, O., et al. (2022). Single-dose psilocybin for a treatment-resistant episode of major depression. The New England Journal of Medicine, 387(18), 1637–1648. https://doi.org/10.1056/NEJMoa2206443


Griffiths, R. R., Richards, W. A., McCann, U., & Jesse, R. (2006). Psilocybin can occasion mystical-type experiences having substantial and sustained personal meaning and spiritual significance. Psychopharmacology, 187(3), 268–283. https://doi.org/10.1007/s00213-006-0457-5


Griffiths, R. R., Richards, W. A., Johnson, M. W., McCann, U. D., & Jesse, R. (2008). Mystical-type experiences occasioned by psilocybin mediate the attribution of personal meaning and spiritual significance 14 months later. Journal of Psychopharmacology, 22(6), 621–632. https://doi.org/10.1177/0269881108094300


Hamilton, J. P., Farmer, M., Fogelman, P., & Gotlib, I. H. (2015). Depressive rumination, the default-mode network, and the dark matter of clinical neuroscience. Biological Psychiatry, 78(4), 224–230. https://doi.org/10.1016/j.biopsych.2015.02.020


Hartigan, F. (2000). Bill W.: A biography of Alcoholics Anonymous cofounder Bill Wilson. Thomas Dunne Books.


James, W. (1890). The principles of psychology (Vol. 1). Henry Holt and Company.


James, W. (1902). The varieties of religious experience: A study in human nature. Longmans, Green, and Co.


Kelly, J. F., Humphreys, K., & Ferri, M. (2020a). Alcoholics Anonymous and other 12-step programs for alcohol use disorder. Cochrane Database of Systematic Reviews, 2020(3), CD012880. https://doi.org/10.1002/14651858.CD012880.pub2


Nour, M. M., Evans, L., Nutt, D., & Carhart-Harris, R. L. (2016). Ego-dissolution and psychedelics: Validation of the Ego-Dissolution Inventory. Frontiers in Human Neuroscience, 10, 269. https://doi.org/10.3389/fnhum.2016.00269


Raison, C. L., Sanacora, G., Woolley, J., et al. (2023). Single-dose psilocybin treatment for major depressive disorder: A randomized clinical trial. JAMA, 330(9), 843–853. https://doi.org/10.1001/jama.2023.14530


Rootman, J. M., Kiraga, M., Kryskow, P., Harvey, K., Stamets, P., Santos-Brault, E., Kuypers, K. P. C., & Walsh, Z. (2022). Psilocybin microdosers demonstrate greater observed improvements in mood and mental health at one month relative to non-microdosing controls. Scientific Reports, 12, 11091. https://doi.org/10.1038/s41598-022-14512-3


Siegel, J. S., Subramanian, S., Perry, D., et al. (2024). Psilocybin desynchronizes the human brain. Nature, 632, 131–138. https://doi.org/10.1038/s41586-024-07624-5


Tagliazucchi, E., Roseman, L., Kaelen, M., Orban, C., Muthukumaraswamy, S. D., Murphy, K., ... & Carhart-Harris, R. (2016). Increased global functional connectivity correlates with LSD-induced ego dissolution. Current Biology, 26(8), 1043–1050. https://doi.org/10.1016/j.cub.2016.02.010


van der Meer, P. B., Fuentes, J. J., Kaptein, A. A., et al. (2023). Therapeutic effect of psilocybin in addiction: A systematic review. Frontiers in Psychiatry, 14, 1134454. https://doi.org/10.3389/fpsyt.2023.1134454