This shows a vivid colored brain.
A new study explores how the brain maintains "vivid worlds" during moments of extreme physiological failure. Credit: Neuroscience News

Brain Creates “Vivid Worlds” During Total Collapse

Summary: How can a brain experiencing extreme physiological failure—such as during cardiac arrest—produce the most vivid, structured, and life-changing experiences of a person’s life?

Researchers will present a groundbreaking perspective on Near-Death Experiences (NDEs). Moving beyond the “hallucination” vs. “afterlife” debate, Martial argues that NDEs may actually be natural, adaptive mental states—a sophisticated survival mechanism the brain uses to cope when it perceives its own imminent collapse.

Key Facts

  • The “Extreme” Paradox: NDEs challenge the traditional medical view that a brain with minimal blood flow or electrical activity should be “off.” Instead, patients report heightened consciousness, complex imagery, and deep emotional clarity.
  • An Adaptive Function: Martial’s research suggests these experiences aren’t just “glitches.” They may serve an evolutionary purpose, helping the brain process a lethal threat or manage the psychological trauma of “dying.”
  • Phenomenological Precision: Unlike random dreams, NDEs follow a highly structured pattern (the “tunnel,” the “light,” the “life review”), suggesting a specific, universal neurobiological pathway is being triggered.
  • Unresponsive but Aware: By studying patients under general anesthesia and cardiac arrest, Martial is identifying the “signature” of consciousness that persists even when the body appears totally shut down.
  • Multidisciplinary Bridge: The research combines hard neuroscience with psychology and phenomenology (the study of subjective experience) to build a model that respects both the data and the patient’s story.

Source: BIAL Foundation

Near-death experiences continue to challenge the scientific understanding of consciousness: how can vivid and structured reports be explained at moments of extreme physiological failure?

This is the central question addressed by neuroscientist Charlotte Martial, who will take part in the 15th “Behind and Beyond the Brain” Symposium, organised by the Bial Foundation.

A researcher at the University of Liège, Belgium, Charlotte Martial studies states of consciousness under conditions of unresponsiveness, such as cardiac arrest or general anesthesia. In her presentation, she will introduce the most recent neuroscientific models that seek to explain these experiences, integrating neurobiological data with subjective descriptions.

Her research suggests that near-death experiences may correspond to natural mental states, potentially serving an adaptive function in extreme situations, contributing to how the brain copes with threat or collapse.

At the same time, these phenomena challenge traditional models by highlighting the possibility of complex conscious experiences under conditions in which such experiences would not, a priori, be expected.

Distinguished with the International Brain Injury Association (IBIA) Young Investigator Award, Charlotte Martial has established herself as one of the leading researchers in this field, bringing together approaches from neuroscience, psychology, and phenomenology.

Key Questions Answered:

Q: If the brain is “collapsing,” where does the energy for a “vivid experience” come from?

A: This is the million-dollar question. Some research suggests a “surge” of electrical activity happens just as the heart stops. Martial’s work looks at how the brain might be reallocating its remaining resources to create a “simulated reality” that helps the individual cope with the transition or the threat.

Q: Does “adaptive function” mean NDEs are just a trick to make us feel better?

A: “Adaptive” in biology usually means it helps with survival or recovery. An NDE might keep the mind “organized” during a crisis, preventing total psychological fragmentation. Even if the body doesn’t survive, the mechanism evolved because it provided some benefit to those who did come back from the brink.

Q: Are these experiences the same as drug-induced hallucinations?

A: While there are similarities (like out-of-body feelings), NDEs are unique because of their structure. Hallucinations are often chaotic; NDEs are famously orderly and follow a logical progression. This suggests a specific, hard-wired “program” in the human brain that only runs in extreme conditions.

Editorial Notes:

  • This article was edited by a Neuroscience News editor.
  • Journal paper reviewed in full.
  • Additional context added by our staff.

About this near-death experience and consciousness research news

Author: Sandra Pinto
Source: BIAL Foundation
Contact: Sandra Pinto – BIAL Foundation
Image: The image is credited to Neuroscience News

Original Research: The findings will be presented at the 15th “Behind and Beyond the Brain” Symposium.

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  1. While working in a hospice, I saw an old man take his last breath. Immediately following that, a gray blue cloud rose from his chest, lingered for about 15 minutes and then disappeared into the ceiling. There were no humidifiers in the room, no oxygen or other equipment. I was standing next to a nurse and I asked, ‘do you see that’. she nodded uh-huh.

    So when someone dies, they may have an NDE but it seems that something else is also going on at the same time.

  2. Always so excited to observe the extreme emotional responses when a learned peer attempts to offer to expand the horizons of neuroscience. The Dunning Kruger Effect on full display in comments sections could be a meta analysis in its own right. See you at the symposium. A.Jagath

  3. I am a HS dropout. I found this article fascinating. A little more in depth would have been welcomed. But in language that even someone like me can understand. I love science. ❤️

  4. Talking about this topic without including a materialistic vs idealist framework seems incomplete, and the framework as described here seems like a cop-out that does not address fundamentally the nature of consciousness because it assumes the axiom that the brain creates consciousness, while one could argue that the brain is an organ that connects consciousness to the body’s senses.
    Good to see the topic covered though.

  5. You just can’t bring yourselves to consider the option of supernatural causes such as the presence of God, or if you prefer a higher power, which can’t be quantified or proven. The fact is that no matter how much science progresses, some questions science will never be able to answer, even when it comes to the question of how the Universe works. Science will always be limited to the dimension we live in.

  6. Near Death Experiences everyone’s biggest questions from someone that has many NDE’s since childbirth and a few months later all throughout my childhood and it’s simply a vale from someone who has had too many where you stop fearing death and embrace it, and you start seeing the ither side its like having the decoder to the quantumn realm real time being able to see energy after such thing and the deepest of beliefs challenged and each individual has different but similar experiences. We build and construct our version of heaven or he’ll while we live and the deepest of emotions rule the feelings and construct and manifest such a reality, you can speak and engage with the other side peacefully if you choose to but when you do this are you at peace or have unresolved issues that cause a unclear picture of your own experiences. It’s like seeing the sun at midnight when you look up you see the sun but when you look down you see the floor but when youve had enough of these types of experiences you’d see the sun at midnight so in essence it does turn into a state of mind and what most would say its holographic its a level of the mind that hasn’t been used as everyone has forgotten how to use that part of the mind it can be as clear and simple as that but our constructs get in the way and we certainly dont teach these levels of accessibility to the mind in order to be that open as a being. So many different ways to explain as my experiences are my own I dont press onto anyone for it but sharing an open mind is all I am doing with the many experiences I’ve had personally as this article simply felt the need to share.have a great day.

  7. You keep trying to develop a ‘scientific’ and ‘rational’ explanation for NDEs. But you refuse to look at the datasets of the experience. You refuse to consider nearly 10,000 scientific reports of NDEs.

    You are without legitimacy. You probably are going to claim weed causes violence and video games rot brains next.

    Your opinion and theories here are garbage paid for by industry. We reject your pseudoscience.

  8. No adaptive brain function can explain an nde’r who left their body and was aware events that took place miles away from their hospital room at the time of their nde. Nor can it explain a blind person since birth experiencing sight in 360 degrees. Or Dr. Mary Neil being submerged for 15 minutes and revived without any cognitive injury whatsoever. This scientist is setting confining parameters to justify a conclusion based on her inability to accept the possibility that consciousness might not be a product of the brain at all.

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