Researched and Written by ChatGPT
Every so often, a claim emerges that is so unusual it deserves neither immediate dismissal nor unquestioning belief. Instead, it deserves careful investigation.
One such claim has been gaining attention after appearances by behavioral scientist Chase Hughes and independent researcher Danny Goler. The phenomenon is surprisingly specific: individuals under the effects of DMT report seeing stable, code-like symbols when looking at a diffused red laser projected onto a wall. They describe glyphs that resemble Japanese katakana, ancient writing systems, or an unknown symbolic language. More intriguing still, many claim the symbols remain fixed in place rather than morphing like typical psychedelic visuals, and some report that independent observers have drawn remarkably similar symbols.
If true, this would be a fascinating discovery in neuroscience, perception, or perhaps something we have yet to understand. If false, it would still represent one of the more interesting examples of how the human brain constructs reality.
Either way, it deserves a closer look.
Why This Claim Is Different
Psychedelic experiences are typically personal and difficult to compare between individuals. One person encounters geometric tunnels, another reports entities, while someone else experiences profound emotional insights. These experiences are meaningful to those having them, but they are also highly subjective.
The laser phenomenon makes a much stronger claim.
Rather than describing an internal experience, participants suggest they are observing the same structured information within the same physical environment. That shifts the conversation from personal experience toward something that can, at least in principle, be tested scientifically.
The Physics Begins With Laser Speckle
Before introducing DMT into the discussion, it helps to understand what a laser is actually doing.
Unlike ordinary light bulbs, lasers emit highly coherent light. As this coherent light reflects from microscopic imperfections on a wall, it creates an interference pattern known as laser speckle. Although the wall appears uniformly illuminated, the laser actually produces a complex field of tiny bright and dark regions resulting from constructive and destructive interference.
Optical engineers generally consider speckle to be an artifact because it introduces structured visual noise into images. Entire areas of laser research have focused on reducing or eliminating speckle for imaging applications.
In other words, a laser-projected wall already contains far more visual structure than our brains consciously recognize.
What DMT Does to Vision
DMT is one of the most powerful naturally occurring psychedelic compounds known. Its primary action is through activation of serotonin 5-HT2A receptors, producing profound alterations in perception.
Recent neuroimaging studies suggest that DMT changes how the visual cortex processes incoming information. Researchers have observed increased receptive field sizes within the primary visual cortex (V1), potentially explaining why people experience distortions in size, depth, edges, and spatial organization while under its effects. Importantly, these changes occurred without differences in eye or head movement, indicating the alterations originated within visual processing itself rather than simple gaze changes.
Many neuroscientists also describe psychedelic perception using predictive processing.
Under ordinary circumstances, your brain constantly predicts what it expects to see, filtering enormous amounts of sensory information before it reaches conscious awareness. Psychedelics appear to weaken those predictions, allowing previously ignored sensory information—or internally generated patterns—to become far more prominent.
If that model is correct, coherent laser speckle may provide unusually rich visual input that an altered visual cortex organizes into highly structured forms.
Shared Perception or Shared Pattern Recognition?
The most compelling aspect of the claim is not that people see symbols.
Humans are extraordinarily good at recognizing patterns. We routinely identify faces in clouds, animals in tree bark, and meaningful shapes in random textures—a phenomenon known as pareidolia.
The stronger claim is that different observers reportedly see similar symbols in similar locations without prior communication. That possibility has motivated an open documentation effort in which participants submit drawings of what they observed, including reports that do not support the hypothesis. The project's stated goal is not to prove the phenomenon but to determine whether genuine convergence exists.
Whether those similarities ultimately exceed what would be expected by chance remains an open scientific question.
What Would Convince Scientists?
Extraordinary claims require careful methodology rather than heated debate.
A rigorous experiment might include:
Participants who have never heard about the phenomenon.
Double-blind procedures that prevent expectation from influencing perception.
Independent drawings made immediately afterward.
Statistical comparison between observers.
Replication by laboratories with no connection to the original investigators.
If independent groups repeatedly produced matching results under controlled conditions, researchers across neuroscience, psychology, and vision science would almost certainly pay attention.
Conversely, if similarities disappear once expectation is removed, that outcome would also be valuable.
Good science advances regardless of which hypothesis survives.
The Question Is Bigger Than DMT
Perhaps the most interesting aspect of this story is that it touches on one of neuroscience's oldest questions.
We tend to assume our eyes show us reality directly.
They do not.
Our brains construct reality from incomplete sensory information, using prediction, memory, prior experience, and constant interpretation. Every moment of conscious perception is already an active reconstruction rather than a simple recording of the external world.
The DMT laser phenomenon invites an intriguing possibility: under certain altered states, does the brain simply become better at extracting hidden visual structure from coherent light, or does it generate symbolic interpretations from otherwise meaningless optical noise?
At present, both explanations remain plausible.
Curiosity Is Not the Same as Conclusion
There is understandable excitement surrounding these reports. There is also understandable skepticism.
Both responses have their place.
History contains many discoveries that began as observations outside conventional thinking. It also contains countless fascinating ideas that dissolved under rigorous testing. The challenge is learning to remain curious without becoming credulous and skeptical without becoming dismissive.
The DMT laser phenomenon has reached the point where anecdotes alone are no longer enough. What it needs now is careful experimentation, transparent data, independent replication, and the willingness to accept whatever the evidence ultimately reveals.
Whether this turns out to be an unexpected feature of human perception or simply another remarkable illusion produced by an extraordinary brain, the journey toward answering that question may prove every bit as interesting as the answer itself.
Further Reading
DMT Code Project (open documentation effort): https://dmtcode.com
Rapid effects of tryptamine psychedelics on perceptual distortions and early visual cortical population receptive fields (NeuroImage, 2024).
Reviews of laser speckle and optical coherence in imaging research.