DMT and the Mystery of Consciousness: What It Is, What It Does, and What the Research Really Says

By Michelle Brooks | The Remembrance Series

There is a molecule that has existed inside you since before you were born.

It lives in your lungs, your blood, your cerebrospinal fluid. It may be released during the deepest states of dreaming. Some researchers believe it floods the system at the moment of death. Indigenous peoples of the Amazon have known of its power for thousands of years, calling it the vine of the soul, the spirit molecule, the doorway between worlds.

Its scientific name is N,N-Dimethyltryptamine. The world calls it DMT.

As someone who has spent years exploring consciousness, past lives, altered states, and the deeper architecture of human awareness, DMT occupies a unique and undeniable place in any serious conversation about the nature of mind, memory, and reality. It is perhaps the most potent psychedelic compound known to science — and yet it is something your own body already makes.

This is not a guide encouraging anyone to use it. This is a deep, honest, and thorough exploration of what DMT is, what the research says, what those who have experienced it report, what the genuine risks are, and why it has become one of the most significant frontiers in consciousness research in the modern world.

Let's go in.

What Is DMT?

DMT — N,N-Dimethyltryptamine — is a naturally occurring psychedelic compound belonging to the tryptamine family. Structurally, it is remarkably similar to serotonin and melatonin, two neurochemicals central to your mood, sleep, and emotional wellbeing. It is also closely related to psilocybin (the active compound in psychedelic mushrooms) and to your own body's neurotransmitter systems.

What makes DMT extraordinary is that it is not merely a synthetic drug created in a laboratory. It is an endogenous compound — meaning the human body produces it naturally. It has been found in human blood, urine, lung tissue, and cerebrospinal fluid. It is present in hundreds of plants across the globe. It appears to be woven into the very fabric of biological life.

A Brief History

The use of DMT-containing plants stretches back at least a thousand years — and likely much longer — among indigenous cultures across South America, the Caribbean, and beyond. The best-known traditional use is ayahuasca, a ceremonial brew combining DMT-containing plants (typically Psychotria viridis or Diplopterys cabrerana) with a monoamine oxidase inhibitor (MAOI) derived from the Banisteriopsis caapi vine. The MAOI prevents the body from metabolizing the DMT too quickly, allowing it to cross the blood-brain barrier and produce an extended visionary experience lasting several hours.

Isolated DMT was first synthesized in the 1930s by Canadian chemist Richard Manske, though its psychoactive properties weren't documented until 1956 when Hungarian chemist and psychiatrist Stephen Szára administered it to himself and reported profound visionary experiences.

The compound was classified as a Schedule I substance in the United States in 1971 under the Controlled Substances Act — meaning the government classifies it as having no accepted medical use and high potential for abuse. This classification has been widely challenged by researchers, clinicians, and consciousness scholars ever since.

The modern conversation about DMT was fundamentally shaped by Dr. Rick Strassman, a psychiatrist at the University of New Mexico, who conducted the first federally approved human research with a classical psychedelic in two decades between 1990 and 1995. His work, summarized in his landmark book DMT: The Spirit Molecule (2000), opened the door to a new era of scientific inquiry.

How Does DMT Work in the Brain?

To understand what DMT does, we need to briefly understand how the brain processes reality — or more accurately, how it constructs reality.

Your brain doesn't passively receive the world. It actively generates a model of reality based on incoming sensory data, prior experience, memory, and expectation. What you see, feel, hear, and know as "real" is a kind of controlled hallucination — a best-guess simulation produced by billions of neurons working in concert.

The Serotonin System

DMT works primarily as an agonist of serotonin receptors — particularly the 5-HT2A receptor, the same receptor targeted by psilocybin and LSD. When DMT floods these receptors, it dramatically disrupts the brain's normal signal-processing patterns.

Neuroimaging research has shown that psychedelics like DMT increase communication between brain regions that don't normally talk to each other while simultaneously quieting the brain's default mode network — the structure associated with self-referential thinking, the inner monologue, and the constructed sense of "I."

When the default mode network quiets, the rigid sense of self loosens. The boundary between self and world becomes permeable. Consciousness expands into states that many describe as more vivid, more real, and more meaningful than ordinary waking life.

Sigma-1 Receptors

What sets DMT apart from other psychedelics is its interaction with the sigma-1 receptor, a unique protein found in high concentrations in the brain, heart, and immune cells. Sigma-1 receptors appear to be involved in neuroprotection, neuroplasticity, immune regulation, and — fascinatingly — the body's response to hypoxia (oxygen deprivation).

This connection to the sigma-1 receptor may explain some of DMT's most extraordinary reported effects, and why some researchers believe the compound may play a role in near-death experiences. When the brain is under stress — including the stress of dying — sigma-1 receptor activity changes dramatically.

Endogenous DMT: Your Body's Own Supply

Here is the detail that changes everything for many people: your body makes this.

Research has confirmed the presence of DMT in the human body, and the enzyme responsible for synthesizing it (indolethylamine-N-methyltransferase, or INMT) has been found in the choroid plexus — the structure responsible for producing cerebrospinal fluid that bathes the brain and spinal cord. This suggests that endogenous DMT may be released directly into the central nervous system under certain conditions.

Dr. Strassman and others have hypothesized that DMT may be released during REM sleep, extreme meditation, sensory deprivation, psychosis, near-death experiences, and birth. While this remains scientifically unproven, the hypothesis is consistent with the subjective reports of thousands of people who describe NDEs, deep meditation states, and certain sleep experiences in language almost identical to those who have taken exogenous DMT.

The possibility that DMT is part of the brain's own toolkit for navigating extraordinary states of consciousness — including the threshold between life and death — is one of the most provocative ideas in modern neuroscience.

What Is the DMT Experience Like?

If you are expecting a neatly clinical description, DMT will disappoint you. No other substance in the pharmacological record generates such a consistently extraordinary, and consistently ineffable, set of reports.

The experience varies significantly by route of administration, dose, and individual. Here is an overview.

Smoked or Vaporized DMT ("The Breakthrough")

When smoked or vaporized, DMT acts within seconds. The onset is almost instantaneous — a rushing sensation, a high-pitched tone, a sense of acceleration. Within sixty seconds, ordinary reality has dissolved entirely.

The peak experience — which lasts approximately five to fifteen minutes in clock time — is described in ways that stretch the limits of language:

Complete dissolution of the self. The ordinary sense of "I" — the person with a name, a history, a body — disappears. What remains is awareness itself, without a center or edge.

Contact with entities. This is perhaps the most startling and consistent element of DMT reports, and the one that most defies conventional explanation. A substantial majority of people who take high doses of DMT report encountering beings — described variously as elves, machine elves, entities, beings of light, guides, teachers, interdimensional beings, or simply presences. These entities are consistently described as autonomous, as aware of the experiencer, and as communicating — often in ways that bypass language entirely.

In a landmark survey of over 2,500 respondents published by researchers at Johns Hopkins University in 2019, 94% of those who reported encountering entities during DMT experiences described the encounter as one of the most meaningful of their lives. Remarkably, 41% of respondents who identified as atheist before the experience said the encounter challenged or changed that view.

Geometric and architectural visions. The visual field is replaced by impossibly complex, dynamic, self-transforming geometric patterns and architectures. Many describe vast and ornate interdimensional spaces — halls, temples, libraries, machines — that feel as though they have existed forever and been visited before.

A sense of profound meaning and recognition. Perhaps the most universally reported element is the feeling — overwhelming, undeniable — that what is being experienced is more real than ordinary reality. Not less real. More. Many describe a sense of finally arriving somewhere they've always known. A homecoming.

The review of information. Many report receiving what feels like vast amounts of information — insights about the nature of consciousness, the universe, the soul, the self — conveyed in a way that transcends ordinary thought. Upon return to ordinary consciousness, only fragments can be recalled.

The whole experience lasts 10–20 minutes in clock time. Many describe it as feeling like a lifetime.

Ayahuasca (Oral DMT)

When consumed as ayahuasca — the traditional Amazonian brew — the experience is fundamentally different in character. The onset is slow (30–90 minutes), the peak is extended (4–6 hours), and the experience tends to be far more emotionally navigated.

Ayahuasca is known for surfacing deeply buried emotional material — grief, trauma, shame, fear — and presenting it for examination, integration, and release. Visions are common, often featuring serpents, jaguars, and complex geometric patterns. Entity contact is reported but tends to be less abrupt than with smoked DMT.

Purging — through vomiting, crying, shaking, or other physical release — is considered an integral part of traditional ayahuasca ceremony and is understood by indigenous traditions as the physical manifestation of emotional and spiritual clearing.

5-MeO-DMT: The Other Molecule

5-methoxy-DMT is a related but distinct compound, found naturally in the venom of the Bufo alvarius toad and in several plants. Where N,N-DMT is characterized by rich visual and entity contact experiences, 5-MeO-DMT tends to produce what is described as a pure, content-free dissolution of the self — an experience of formless, boundless awareness with no objects, no beings, no geometry. Just infinite being.

This compound has attracted significant attention in the treatment of existential distress, depression, PTSD, and addiction, with early clinical results described as remarkable.

The Potential Benefits: What the Research Shows

The legal, scientific, and cultural landscape around DMT and psychedelics broadly has shifted dramatically in recent years. Major universities — Johns Hopkins, NYU, Imperial College London, UC Berkeley — now have dedicated psychedelic research centers. The FDA has designated psilocybin as a Breakthrough Therapy for depression. MDMA has received the same designation for PTSD.

DMT-specific research remains more limited but is accelerating. Here is what the evidence currently suggests:

1. Treatment of Depression and Anxiety

Small Spirit Molecule Research Group trials and studies using ayahuasca have shown significant reductions in depression and anxiety symptoms, including in treatment-resistant cases where conventional medication and therapy had failed. Published research in Scientific Reports (2019) found that a single ayahuasca session produced rapid, robust anti-depressant effects lasting weeks.

The mechanism is thought to involve both the disruption of rigid negative thought patterns via the default mode network and the promotion of neuroplasticity — the brain's ability to form new connections.

2. PTSD and Trauma Processing

Ayahuasca in particular has attracted attention for trauma treatment. The extended, emotionally directive nature of the ayahuasca experience appears to allow individuals to revisit traumatic memories from a position of expanded perspective — less reactive, more observational — facilitating processing and integration that can be extraordinarily difficult to achieve through conventional means.

Research conducted with veterans and trauma survivors has produced compelling results, though larger controlled trials are still needed.

3. Addiction and Substance Use Disorders

Several studies and much anecdotal evidence point to DMT-containing substances — ayahuasca especially — as potentially effective for addressing addiction to alcohol, opioids, tobacco, and cocaine. Researchers believe this may work through a combination of neuroplastic effects, emotional resolution of underlying trauma driving addictive behavior, and the profound shift in perspective and values that many report following the experience.

4. End-of-Life Anxiety and Existential Distress

One of the most compelling applications emerging from psychedelic research broadly is the treatment of existential anxiety in terminally ill patients. Studies at NYU and Johns Hopkins have documented profound, lasting reductions in death anxiety following psilocybin sessions, with results that are without parallel in conventional medicine. Given the structural similarities and the DMT-death connection explored by researchers like Strassman, DMT and 5-MeO-DMT are increasingly viewed as worthy of investigation for this application specifically.

5. Mystical Experience and Psychological Wellbeing

The Johns Hopkins entity encounter survey found that DMT-occasioned mystical experiences were associated with lasting improvements in wellbeing, sense of meaning and purpose, and reported life satisfaction — effects consistent with the broader body of psychedelic mystical experience research.

Many who experience DMT — whether through ceremonial ayahuasca or otherwise — report fundamental and lasting shifts in their relationship to fear, death, identity, and what they understand reality to be. These are not trivial effects.

6. Consciousness Research

Perhaps the most significant contribution of DMT to science is simply the phenomenological data it generates — thousands upon thousands of remarkably consistent reports of experiences that fall entirely outside the frameworks of conventional materialist neuroscience. The entity encounters alone represent one of the most anomalous datasets in the psychology of perception. What these experiences are — hallucinations, archetypal projections, genuine contact with non-ordinary realities — remains genuinely, fascinatingly open.

The Risks and Cons: What You Need to Know

Any honest exploration of DMT must be equally clear about the risks. These are real, and they deserve the same respect as the potential benefits.

1. Psychological Risk: Challenging Experiences

The dissolution of the self — while described by many as profoundly liberating — can also be terrifying. Entering a state in which you have no body, no name, no past, no future, no anchor to anything familiar whatsoever is not universally experienced as bliss. Panic, confusion, and what researchers call a "challenging experience" or colloquially a "bad trip" are possible.

Research suggests that the majority of challenging DMT experiences are still retrospectively considered meaningful and even beneficial — but this requires integration, support, and the right set and setting. Without those elements, a challenging experience can leave someone in a state of lasting psychological distress.

2. HPPD (Hallucinogen Persisting Perception Disorder)

A small subset of people who use psychedelics develop HPPD — a condition in which elements of the psychedelic visual experience (geometric patterns, visual snow, trails) persist in ordinary waking life long after the substance has left the body. This is rare, but it is real, can be distressing, and has no reliable treatment.

3. Cardiovascular Effects

DMT causes a rapid and significant increase in heart rate and blood pressure. For people with pre-existing cardiovascular conditions, this represents a genuine medical risk. Ayahuasca, which combines DMT with MAOIs, carries additional considerations around drug interactions (MAOIs interact dangerously with a wide range of foods and medications).

4. MAOI Interactions (Ayahuasca Specific)

The MAOI component of ayahuasca is medically significant. MAOIs interact dangerously — potentially fatally — with a range of common medications including SSRIs (antidepressants), stimulants, some antihistamines, and certain foods high in tyramine (aged cheeses, cured meats, fermented foods). Anyone on SSRIs who abruptly stops taking them to use ayahuasca also faces serious risk. These interactions are not theoretical — they have caused deaths.

5. Psychosis Risk

People with a personal or family history of psychosis, schizophrenia, or bipolar disorder with psychotic features face elevated risk from all psychedelics, including DMT. The profound reality-dissolving nature of the experience can trigger psychotic episodes in vulnerable individuals. This is not a risk that can be mitigated by mindset or ceremony alone — it is a neurological and genetic vulnerability that represents a genuine contraindication.

6. Legal Status

In most of the world, DMT is a controlled substance. In the United States, it is Schedule I. Possession, manufacture, or distribution carries serious legal consequences. There are notable exceptions — the Native American Church has legal protections for certain plant medicines, and some ayahuasca churches have won legal recognition under religious freedom law. Brazil has formally legalized ayahuasca. But for most people in most jurisdictions, DMT in any form carries significant legal risk.

7. Unregulated Sources and Settings

Because DMT exists outside of regulated pharmaceutical channels for most users, sourcing and setting are uncontrolled. This creates risks ranging from impure or misidentified substances to exploitation by unqualified or predatory facilitators in ceremonial settings. There have been documented cases of sexual assault, physical harm, and financial exploitation in both ayahuasca retreat and informal ceremony contexts. The absence of regulatory oversight means the responsibility for safety falls entirely on the individual — a significant burden.

8. Integration Challenges

This may be the most underappreciated risk. A profound DMT experience — particularly at high doses or during an extended ayahuasca journey — can fundamentally disrupt one's sense of reality, identity, meaning, and relationship to others. This is often ultimately positive. But the period between the experience and its integration into ordinary life can be deeply disorienting. Without skilled psychological support and a meaningful integration process, people can emerge from these experiences feeling fragmented, alienated, or unable to function effectively in their daily lives.

Integration — the work of metabolizing and incorporating what the experience revealed — is not optional. It is the medicine.

The Question of What It All Means

Here is where science pauses and the deeper questions begin.

What are the entities? Are they projections of the unconscious mind — Jungian archetypes, autonomous complexes, fragments of the self in dialogue? Are they artifacts of a brain under extraordinary chemical influence, pattern-seeking its way through chaos? Or — and this is the question that keeps researchers awake at night — is there something more?

The philosopher and ethnobotanist Terence McKenna, who spent decades studying and writing about DMT, argued that the entities were genuinely alien — independently existing intelligences encountered in a dimension of reality that ordinary consciousness cannot access. Others, like Dr. Andrew Gallimore (author of Alien Information Theory), have proposed that DMT may act as a kind of carrier wave that shifts the brain's perceptual tuning to a different slice of reality — one that is present all around us but ordinarily inaccessible.

The Jungian analyst and consciousness researcher Dr. Benny Shanon spent years studying hundreds of ayahuasca visions and found recurring, cross-cultural themes — gardens, palaces, serpents, celestial beings — that parallel the visions described in ancient religious texts, mystical traditions, and shamanic accounts across cultures that had no contact with each other.

From my own perspective — as someone who explores consciousness, soul memory, and the architecture of awareness — DMT sits at a fascinating and unresolved intersection. The experiences people describe — the dissolution of the constructed self, the contact with intelligences beyond the ordinary, the sense of remembering something vast — resonate deeply with what I explore in The Remembrance Series. Whether through DMT, deep meditation, hypnosis, or the natural threshold states of birth and death, it appears that consciousness has a far greater range than our ordinary waking lives suggest.

The soul carries more than we remember. And some doorways open onto that fact more dramatically than others.

What Responsible Engagement Looks Like

For those drawn to explore this territory, here is what the emerging consensus among researchers, clinicians, and responsible practitioners suggests:

Health screening comes first. Anyone with cardiovascular conditions, personal or family history of psychosis, or taking SSRIs or other medications with MAOI interactions must take these contraindications seriously before anything else.

Set and setting are not optional. The internal state you bring and the physical, relational, and ceremonial environment you enter shape the experience profoundly. Anxiety, unresolved trauma, interpersonal conflict, and physical discomfort all translate into the experience.

A trusted and vetted facilitator matters enormously — particularly for ayahuasca and extended experiences. The proliferation of ayahuasca retreats has not been uniformly accompanied by the wisdom, skill, and integrity required to hold these experiences safely.

Integration is the work. Plan for it. Identify a therapist, counselor, or community of fellow explorers who can help you metabolize what arises. Do not treat the experience as complete when the session ends.

Respect the substance and the tradition. Indigenous peoples have held these medicines with great care, within sophisticated ceremonial frameworks, for thousands of years. That context was not decorative — it was functional. Approaching these substances with reverence, preparation, and humility honors both the tradition and your own safety.

Final Reflection

DMT is many things at once.

It is a molecule your own body produces, woven into the biochemistry of life itself. It is a psychedelic that produces the most extraordinary states of consciousness documented in modern science. It is a research frontier that is challenging the most fundamental assumptions of materialist neuroscience. It is an ancient ceremonial medicine used by indigenous peoples for millennia. It is a controlled substance carrying real legal risk in most of the world. And it is a doorway — or appears to be — into dimensions of experience that language barely contains.

Whether it reveals something genuinely beyond ordinary reality, or whether it reveals the extraordinary depth of what is ordinary reality seen from a different angle, remains an open question. Perhaps the most honest position is to hold that question with curiosity, care, and the recognition that our current maps of consciousness are nowhere near complete.

The soul has more rooms than you think. And some of those rooms have been there since before you arrived.

You've been here before. Perhaps in more ways than one.

Michelle Brooks is the author of The Remembrance Series, including You Have Been Here Before and Proof Beyond the Grave. She explores consciousness, soul memory, and human potential through writing, video, and guided practice. Find her books on Amazon and follow her journey at Instagram @therisingashes and TicTok @sminspiredlife.

Disclaimer: This article is for educational and informational purposes only. DMT and ayahuasca are controlled substances in most jurisdictions. Nothing in this post constitutes medical advice, encouragement to use controlled substances, or guidance on obtaining them. Anyone exploring these territories should consult qualified medical and legal professionals, and carefully review all health contraindications before proceeding.

The Remembrance Series | Michelle Brooks