Who—or What—Do People Encounter on DMT?

When a Hallucination Doesn't Feel Like a Hallucination

Imagine closing your eyes and finding yourself somewhere else.

Not merely seeing colors or geometric patterns, but entering what appears to be an entirely different environment.

Then something appears to notice you.

It seems autonomous.

Intelligent.

Perhaps curious.

Perhaps welcoming.

Perhaps frightening.

It may communicate with you. It may appear to know something you don't. And during the experience, its presence may seem every bit as convincing as the people and objects of ordinary waking life.

Experiences like these are repeatedly reported after taking N,N-dimethyltryptamine, better known as DMT.

For decades, stories of DMT “entities” largely occupied the margins of psychedelic culture.

Today, scientists are studying them.

Researchers have surveyed thousands of people who report entity encounters. Controlled intravenous DMT experiments at Imperial College London have produced extended altered states in which apparently sentient entities are reported. Researchers have begun examining what happens in the brain during these states.

And DMT itself is now being investigated as a potential psychiatric treatment.

None of this demonstrates that DMT entities exist independently of the person experiencing them.

But it does establish something scientifically interesting:

The human brain is capable of entering a state in which an apparently autonomous intelligence can feel profoundly real.

Why?

What Is DMT?

DMT is a potent serotonergic psychedelic.

Like psilocybin and LSD, its psychedelic effects involve serotonin receptors, particularly the 5-HT2A receptor.

Its time course, however, is unusual.

When inhaled or administered intravenously, DMT can produce an intense psychedelic state within minutes and ordinarily has a much shorter duration than psilocybin or LSD.

That combination—extraordinary intensity with relatively rapid onset and offset—has made DMT particularly interesting to consciousness researchers.

Modern brain-imaging studies show that DMT produces substantial changes in the organization and dynamics of human brain activity.

In a controlled Imperial College London study using simultaneous EEG and functional MRI, researchers found increased global functional connectivity, disruption of ordinary network organization and changes in neural signal diversity during the DMT state. These changes were related to dimensions of the subjective experience, including ego dissolution.

The brain, in other words, is not simply experiencing a stronger version of ordinary waking consciousness.

Its normal organization is changing.

What remains much harder to explain is the extraordinary world that sometimes emerges from that change.

Before the Scientists Came the “Machine Elves”

Long before entity encounters became a formal research subject, psychedelic writer and speaker Terence McKenna helped make them part of DMT mythology.

McKenna famously described apparently autonomous beings he sometimes called “machine elves.”

The term became culturally inseparable from DMT.

But it can also be misleading.

People report an enormous variety of apparent beings.

In one qualitative analysis of 3,778 DMT experiences, entity encounters appeared in approximately 46% of reports. Descriptions included feminine beings, deities, aliens, creatures, mythological figures, machine elves and jesters.

“Machine elves” therefore represent one culturally famous description of a much broader phenomenon.

The scientifically interesting question isn't whether people see McKenna's elves.

It's why DMT so often seems to populate altered consciousness with someone else.

The Entity Phenomenon

One of the largest studies specifically examining DMT entity encounters surveyed 2,561 people about their single most memorable encounter following inhaled DMT.

The terminology varied.

Participants described:

beings

guides

spirits

aliens

helpers

and other apparently autonomous presences.

Most respondents attributed consciousness and intelligence to the entity they encountered.

Sixty-nine percent reported receiving some form of message.

Forty-one percent experienced fear during the encounter, although love, kindness and joy were among the most prominent emotions attributed to both the entities and the experience.

Many respondents believed that what they encountered continued to exist after the DMT experience ended.

And many believed the entity existed in a real but different dimension of reality.

The encounters were frequently rated among the most meaningful, spiritual and psychologically insightful experiences of participants' lives. People also attributed lasting changes in meaning, purpose and life satisfaction to them.

Those findings are remarkable.

But we need to be precise about what they demonstrate.

The study establishes that people reported these experiences and beliefs.

It does not establish that the beings existed independently of the people experiencing them.

That distinction lies at the heart of the DMT mystery.

Experience Versus Interpretation

Suppose someone emerges from a DMT experience and says:

“I encountered an intelligent being.”

There are actually two different claims contained within that sentence.

The first is phenomenological:

I experienced what seemed to be an intelligent, autonomous presence.

The second is ontological:

The intelligent presence actually existed independently of my mind.

Science can investigate the first.

The second is much harder.

Researchers can measure brain activity.

They can record subjective reports.

They can compare experiences between participants.

They can study whether particular experiences occur repeatedly.

They can investigate how expectation, culture, dose and environment affect them.

What they currently cannot do is independently verify that the apparent entity exists outside the experience itself.

But that does not make the experience unimportant.

A hallucination that a person immediately recognizes as unreal is one phenomenon.

An experience that appears to possess its own intelligence, agency and reality—and permanently changes someone's worldview—is another.

Understanding why the mind can produce that degree of conviction is itself a serious problem for consciousness science.

What Happened When Scientists Extended the DMT State?

Most historical reports of DMT entities came from relatively brief experiences outside controlled research environments.

Researchers at Imperial College London took a different approach.

DMT's normal psychedelic effects following inhalation or a single intravenous dose are remarkably short.

So researchers developed a method combining an intravenous loading dose with continuous infusion, allowing healthy volunteers to remain immersed in the DMT state for approximately 30 minutes.

In a placebo-controlled study involving 11 healthy volunteers, the technique successfully maintained a relatively stable DMT experience throughout the infusion. Anxiety remained relatively low, and the researchers concluded that extended IV administration could provide a useful method for studying DMT and consciousness.

The significance goes beyond simply making DMT last longer.

It gave researchers more time inside one of the most unusual altered states humans can experience.

And the Entities Were Still There

Subsequent work from Imperial researcher Lisa Luan examined the phenomenology and EEG characteristics of extended IV-DMT experiences.

Participants described intense visual effects, profound immersion and encounters with apparently sentient entities.

The experiences often progressed through recognizable psychological stages involving periods of struggle, resolution and subsequently more positive experiences.

Most intriguingly, EEG analyses identified differences between periods in which participants reported entity experiences and periods in which they did not.

Reported entity encounters were associated with different patterns of alpha and beta activity and neural signal complexity compared with non-entity periods.

That finding needs careful interpretation.

The EEG did not detect an entity.

It did not demonstrate that another consciousness had entered the room.

What it showed was that reported entity experiences could be examined alongside measurable differences in the participant's brain activity.

The entity phenomenon therefore becomes something neuroscience can begin to study rather than merely an extraordinary story someone tells afterward.

Importantly, these detailed entity-related EEG findings are reported in doctoral research from Imperial; they should be treated as emerging evidence rather than the equivalent of a large replicated clinical finding.

Why Does It Feel So Real?

This may be the most interesting question of all.

Ordinary imagination usually carries an implicit signature:

I am imagining this.

DMT entity encounters often appear to violate that intuition.

The being may seem independent of the experiencer.

It may behave unpredictably.

It may appear to possess intentions.

It may communicate information.

And the environment itself may feel not imaginary but inhabited.

Neuroscience does not yet have a complete explanation.

One possibility involves how the brain constructs reality itself.

Our experience of the external world is not simply a passive recording of sensory information. The brain continually combines sensory input with expectations, memories and predictions to construct a working model of reality.

Under DMT, ordinary hierarchical organization and communication between brain networks change dramatically. Imperial's EEG-fMRI research found increased global connectivity and reduced differentiation between networks normally responsible for specialized functions.

Such changes could radically alter how the brain models:

self

other

agency

space

meaning

and reality.

But explaining the neural conditions under which an entity appears is not necessarily the same as explaining why the experience takes the particular form of an apparently autonomous intelligence.

That remains unresolved.

Could Expectation Create the Entities?

There is another complication.

People rarely encounter DMT culturally unprepared.

A person considering DMT today may already have heard about:

machine elves,

aliens,

spirits,

other dimensions,

cosmic intelligence,

geometric worlds,

or encounters with God.

Expectations influence perception even during ordinary consciousness.

They could plausibly influence psychedelic experiences as well.

This creates a difficult methodological problem.

Are similar entity encounters emerging spontaneously because DMT reliably produces a particular class of experience?

Or does psychedelic culture teach people what they might encounter, influencing what subsequently appears?

Both could be true.

The diversity of reported entities argues against one rigid cultural script.

But cultural expectation remains an important potential confound.

The fact that controlled IV-DMT studies continue to produce entity reports is interesting because it demonstrates that the phenomenon is not confined to uncontrolled recreational accounts.

It still doesn't eliminate expectation.

Participants entering a DMT study may already know what DMT is famous for.

Are the Entities Real?

This is the question everyone eventually wants to ask.

There are several ways to interpret the phenomenon.

The Neurobiological Hypothesis

DMT radically alters brain activity, perception and self-processing.

Entities could therefore be internally generated constructions produced by a brain operating in an unusual state.

Under this interpretation, they are extraordinarily convincing hallucinations.

The Predictive Mind Hypothesis

The brain constantly infers the causes of sensory information.

When ordinary constraints on perception and cognition are disrupted, the brain may construct particularly powerful models of agency—producing the experience of encountering another mind.

The Psychological or Archetypal Hypothesis

Entities could represent symbolic manifestations of memory, emotion, internal conflict or deeply rooted structures of human cognition.

The “other” encountered during DMT might therefore originate within the person while being experienced as autonomous.

The Cultural Hypothesis

Expectations and cultural narratives may influence the forms that DMT experiences take.

The more people hear about entities, the more likely entities might become part of the psychedelic landscape.

The Ontological Hypothesis

Some experiencers reach a very different conclusion.

They believe DMT temporarily provides access to independently existing beings, forms of consciousness or dimensions of reality ordinarily inaccessible to humans.

At present, there is no established scientific evidence demonstrating that DMT provides access to independently existing entities or dimensions.

But science's inability to verify that interpretation is not the same as demonstrating that every conceivable version of it is impossible.

The appropriate scientific position is simpler:

We don't know that these entities exist outside the experience.

What we do know is that the experience of encountering them can be extraordinarily convincing.

Does the Human Body Produce DMT?

It does.

DMT is not exclusively an externally consumed psychedelic.

It is a naturally occurring compound found across multiple plant and animal species, and evidence supports its endogenous presence in humans.

What that means biologically is much less certain.

Researchers continue to investigate DMT's biosynthesis, concentrations, receptor activity and possible physiological functions. A 2025 review describes several potential biological roles while emphasizing unresolved questions surrounding endogenous DMT.

This uncertainty matters because a popular claim has developed around endogenous DMT:

that the human brain releases large amounts of it during dreaming, birth or death, producing dreams or near-death experiences.

Those claims have not been established in humans.

Finding DMT in the body does not demonstrate that it causes dreams.

Nor does it demonstrate that a massive DMT release occurs at death.

Interesting hypotheses should remain hypotheses until evidence catches up with them.

DMT and Near-Death Experiences

The comparison nevertheless deserves attention.

DMT experiences and near-death experiences can share striking phenomenological features:

altered perception of time and space,

separation from the ordinary body,

transcendent environments,

profound emotion,

encounters with beings or presences,

and lasting changes in beliefs about life and death.

Researchers have directly compared psychedelic and near-death experiences and found both similarities and meaningful differences in their acute phenomenology and enduring psychological effects.

That makes DMT potentially useful for studying some features of extraordinary conscious states.

It does not establish that DMT causes near-death experiences.

Phenomenological similarity is not proof of a shared biological mechanism.

DMT Is Moving Into Clinical Research

DMT is no longer solely a consciousness-research curiosity.

It is becoming a serious subject of clinical investigation.

Its extremely short duration offers a potential practical advantage over longer-acting psychedelics: researchers may be able to induce a profound psychedelic state while dramatically reducing the time required for drug administration and monitoring.

Early clinical research has focused heavily on safety, tolerability and major depressive disorder.

A 2025 systematic review examining early-phase trials in healthy volunteers and people with major depressive disorder found DMT generally well tolerated in the small studies conducted to that point, while emphasizing the limited number of trials and need for larger controlled studies.

Then, in 2026, an important result arrived.

The Imperial Depression Trial

Researchers associated with Imperial College London and industry collaborators conducted a Phase IIa randomized, double-blind, placebo-controlled trial of intravenous DMT in adults with moderate-to-severe major depressive disorder.

Thirty-four participants were randomized.

Participants received either a single 21.5 mg intravenous DMT dose administered over 10 minutes or placebo, together with supportive psychotherapeutic support.

Two weeks later, the DMT group showed a significantly greater reduction in depression severity on the Montgomery-Åsberg Depression Rating Scale than the placebo group.

The mean between-group difference was 7.35 points in favor of DMT.

A subsequent open-label phase allowed participants to receive DMT, and antidepressant effects were reported as persisting for up to three months in follow-up. Adverse events were predominantly mild to moderate, and no serious adverse events occurred in the trial.

This is meaningful evidence.

It is also a small Phase IIa trial involving 34 participants.

It does not establish DMT as an approved treatment for depression, nor does it tell us whether the extraordinary subjective experiences DMT produces are necessary for its antidepressant effect.

But it moves the discussion from speculation toward clinical testing.

Does the Depth of the Experience Matter?

This brings us back to a question increasingly appearing throughout psychedelic research.

Does the drug simply need to reach the brain?

Or does what happens in consciousness matter?

Earlier Phase I research with intravenous DMT measured mystical experience, ego dissolution and subjective intensity alongside drug exposure. Greater DMT exposure showed evidence of association with stronger acute psychedelic effects, although the relatively small sample meant those relationships required confirmation.

Other Imperial research has found relationships between aspects of the acute DMT experience and subsequent changes in wellbeing.

But none of this establishes that an entity encounter itself improves depression.

That is a much narrower—and considerably stranger—hypothesis.

Are Entity Encounters Therapeutic?

Imagine two people receiving DMT.

One experiences extraordinary colors and geometry.

The other encounters what appears to be an intelligent presence that communicates something personally transformative.

Even if their pharmacological exposure were identical, their psychological experiences could be radically different.

Could that difference matter?

The large entity survey found that participants frequently attributed enduring positive changes in meaning, purpose and life satisfaction to their encounters.

But retrospective surveys cannot determine whether the entity encounter caused those changes.

People who have especially profound experiences may be more likely to remember them.

They may be more likely to participate in surveys about them.

The intensity of the overall psychedelic state could drive both entity encounters and subsequent psychological effects.

Expectation could influence both.

And meaningful experiences are not necessarily clinically therapeutic experiences.

There is also no reason to assume entity encounters are inherently beneficial.

Forty-one percent of respondents in the large survey reported fear during their encounter.

An apparently autonomous intelligence encountered during an altered state could be comforting.

It could also be confusing, disturbing or terrifying.

The therapeutic question may therefore be less:

Did someone encounter an entity?

and more:

What meaning did the person construct from the experience afterward?

Does It Matter Whether the Entity Was “Real”?

From a clinical perspective, perhaps not in the way we initially imagine.

A person can be profoundly affected by an experience without its literal interpretation being objectively true.

Dreams can change behavior.

Memories can shape identity.

Religious experiences can reorganize a person's values.

Grief can produce a continuing sense of relationship with someone who has died.

Human psychology is deeply influenced by meaning.

An entity encountered during DMT might therefore have psychological consequences regardless of whether that entity exists independently of the brain.

But this creates an ethical challenge.

A therapist or researcher should not need to tell someone:

“The being was real.”

Nor should they automatically insist:

“It was meaningless hallucination.”

A scientifically responsible approach can acknowledge the experience without claiming knowledge we do not possess about its ultimate nature.

What We Know

DMT is a potent serotonergic psychedelic capable of producing profound alterations in consciousness.

Entity encounters are a recurring feature of DMT experiences rather than an isolated anecdotal phenomenon. In one large qualitative dataset they appeared in approximately 46% of reports.

A survey of 2,561 people who reported DMT entity encounters found that participants frequently perceived the beings as conscious, intelligent and autonomous and often attributed profound personal meaning and lasting worldview changes to the encounters.

Controlled intravenous DMT studies at Imperial College London have demonstrated that the DMT state can be experimentally extended, creating a more stable period in which its phenomenology can be investigated.

Emerging Imperial research has specifically examined entity experiences during extended IV DMT and identified measurable differences in EEG activity between reported entity and non-entity periods. These findings remain preliminary.

Brain imaging demonstrates that DMT substantially alters normal patterns of brain connectivity and organization.

And early randomized clinical research now provides preliminary evidence that IV DMT administered with psychological support may reduce depressive symptoms in people with major depressive disorder.

What We Don't Know

We do not know why DMT so frequently produces experiences of apparently autonomous beings.

We do not know why those beings can feel independent of the person experiencing them.

We do not know how much culture and expectation influence their appearance.

We do not know whether particular neural mechanisms specifically generate the experience of another intelligence.

We do not know whether entity encounters themselves contribute to therapeutic outcomes.

We do not know the biological purpose—if any—of endogenous DMT in humans.

We do not have evidence establishing that endogenous DMT causes dreams or human near-death experiences.

And we do not have scientific evidence demonstrating that DMT entities exist independently of the mind experiencing them.

The Question That Remains

DMT presents consciousness research with an uncomfortable problem.

A molecule can profoundly reorganize human experience within minutes.

Ordinary boundaries between self and world can weaken.

Time and space can change.

Entire environments can appear.

And sometimes, within those environments, something seems to look back.

Perhaps these beings are extraordinary constructions of the human brain.

Perhaps they reveal something unexpected about how the mind represents agency, intelligence and selfhood.

Perhaps culture helps give them their form.

Perhaps future neuroscience will explain them in terms we haven't yet developed.

And some people who experience them will continue to believe they encountered something existing beyond themselves.

Science should not declare that interpretation true without evidence.

But neither should curiosity stop simply because the experience is difficult to explain.

Because before asking whether DMT entities are real, there may be an even more fundamental question:

What does it tell us about consciousness that the human mind is capable of experiencing them as if they are?

Sources & Further Reading

This article draws on peer-reviewed research concerning DMT phenomenology, entity encounters, neuroimaging, extended intravenous DMT administration, endogenous DMT and early clinical trials.

The entity-specific EEG findings discussed from Imperial College London's extended-DMT research are reported in doctoral research and should be considered emerging rather than independently replicated evidence.

Research into the therapeutic use of DMT remains at an early stage. DMT is not FDA-approved for the treatment of depression or other psychiatric disorders.

Editorial Note

Descriptions of entities, alternate realities, spiritual beings or other dimensions refer to experiences and interpretations reported by research participants and DMT users. Their inclusion does not imply that The Brazen Word accepts any particular metaphysical explanation for these phenomena.

Evidence tells us what has been observed. Experience tells us what it felt like. Inquiry begins where neither provides a complete answer.

Medical Disclaimer

This article is provided for informational and educational purposes only and does not constitute medical advice, diagnosis or treatment. DMT is not FDA-approved for the treatment of depression or other psychiatric disorders. Clinical research involving DMT takes place under controlled research protocols with participant screening and monitoring.