Chapter 11
If consciousness were the brain's product, this chapter could not exist.
Vicki Umipeg had been blind for twenty-two years when she first saw light.
Not the light a sighted person knows. Not the gentle morning light through a kitchen window or the soft yellow of a reading lamp. The light that pulled her up out of her body in the emergency room of Harborview Medical Center in Seattle. The light that came at the end of a violent automobile accident on a winter night in 1973 and at the beginning of an experience that would, decades later, reshape how researchers think about consciousness itself.1
She had been born premature in February of 1951, more than three months early. She weighed three pounds. Her lungs had not finished forming, and the standard treatment in those years was to place such babies in incubators with high concentrations of pure oxygen — life-saving for the lungs, but devastating for the optic nerves of a developing infant. By the time anyone noticed what the oxygen was doing to her eyes, the damage was done. The condition was called retrolental fibroplasia then; today we call it retinopathy of prematurity.2 Vicki's optic nerves were destroyed. Her visual cortex, deprived of any input from the eyes, would never form normal patterns. She would never see. Not as a child. Not as a teenager. Not in dreams.
This last point is worth dwelling on for a moment, because it is the hinge of the whole chapter. Sighted people sometimes assume that blind people see things in their dreams the way they see things in waking life — that their dreams contain visual images even if their waking perception does not. For people who lose their sight after roughly age five or six, this is sometimes true. Visual memory persists; dreams can include visual content for years after the eyes stop working. But for those born blind, or blinded before the visual cortex has matured, the brain's visual system never develops the patterns that produce visual experience. Their dreams have no pictures. Their dreams have sounds, textures, smells, the press of air on skin, sometimes language, sometimes emotion — but no visual images. They have no idea what yellow feels like. They have no template for sight.3
Vicki was such a person. In all her twenty-two years she had never had a single moment of visual experience. She had heard others describe what they saw. She had touched the things they named. But what those sighted people were doing when they used words like blue or tall or far away was not a kind of perception she had ever had. As Vicki herself put it: she did not see black. She did not see anything at all. Even her dreams were taste, touch, sound, and smell — never images.
Then, on that winter night, that changed.
The accident was severe. Vicki had been working as a nightclub singer in Seattle. After her shift, she had been unable to find a taxi and had accepted a ride home from two patrons who were drunk. The driver lost control. Vicki was thrown from the van. She arrived at Harborview with skull fractures, a severe concussion, fractured neck and back vertebrae, and a broken leg. Her heart stopped. The trauma team began the work of trying to keep her alive.
Sometime during that work — she would later be unable to say exactly when — Vicki found herself near the ceiling of the trauma room, looking down. Below her she saw a body that she did not, at first, recognize. It took her a moment to realize that the body lying on the table was hers. She recognized it, finally, by her hair and by the wedding ring on its finger — a ring she knew well from touch but had never seen until that moment. Around the body were people working hard at instruments and machines: a doctor with a beard, a nurse with long hair, others whose details she would later describe to Kenneth Ring with the kind of unforced specificity that researchers learn to listen for. The lights were bright. The instruments shone.
Then she drifted up. She passed through the ceiling and the floors above. She rose out of the hospital and into the night air over Seattle. She saw the streets and buildings of the city below her, lit by streetlamps. After that, somewhere — she could not say where, exactly — she found herself in a place she would describe for the rest of her life as full of light, with grass and trees and people she recognized: childhood friends from the school for the blind who had died young, a couple who had been her caretakers in those years, her grandmother who had died two years before. A figure she would identify as Christ approached her. She felt a vast and undeserved welcome. She did not want to leave. She was told she had to. She came back.4
For most of the people Vicki told this to in the days following her resuscitation, the story was either dismissed as a hallucination or filed under things you don't write up in the chart. It would have stayed there if Kenneth Ring, then a psychologist at the University of Connecticut and one of the first generation of academic NDE researchers, had not eventually heard about her case in the late 1980s and asked if he could interview her. He did. So did Sharon Cooper, his colleague. They interviewed her at length over several years. They cross-checked what they could. They published her account, along with thirty other accounts of blind people who reported similar experiences, in a book called Mindsight in 1999.5
Vicki's case is the most carefully documented blind NDE in the research literature. It is also, I think, the strongest single piece of evidence that consciousness is not what the brain does — that the dying person is not their brain, and that something in the human person sees with a kind of perception the eye and the optic nerve and the visual cortex have nothing to do with.
If you read no other chapter of this book, read this one. The case I am about to make is the empirical Achilles heel of physicalism.
The argument I am going to make in this chapter is straightforward, but it depends on understanding something most people — including most pastors and many neuroscientists who do not specialize in vision research — have never had occasion to think carefully about: how does a brain produce visual experience, and what does it require to do so?
Visual experience is not a passive recording of light, the way a camera records an image. It is an active, complex construction by the brain. Photons strike the retina at the back of the eye, where photoreceptor cells (rods and cones) translate them into electrical signals. Those signals run along the optic nerve to a relay station deep in the brain called the lateral geniculate nucleus. From there, they are routed to the primary visual cortex (called V1) at the back of the head, in the occipital lobe. From V1, signals fan out to many secondary and tertiary visual areas, each specialized for a particular feature: motion, color, faces, objects, depth. The brain takes all of this and assembles, in less than a quarter of a second, the experience you and I call seeing.6
If any of these stages is damaged, vision is impaired or impossible. Damage the optic nerve, and the brain has no input. Damage V1, and the brain has input but no way to organize it. Damage the face-recognition area in the right fusiform gyrus and you can see normally but cannot recognize faces — a condition called prosopagnosia. The visual experience that feels to us so simple and immediate is, on the inside, a vast and intricate piece of neurological architecture.
Here is the crucial point. That architecture has to develop. The infant brain is not born with mature visual circuits; it builds them in the first few years of life by processing actual visual input. If an infant is deprived of visual input during this critical period — as Vicki Umipeg was, because her optic nerves had been destroyed by oxygen exposure — the visual cortex does not develop normally. The connections that would have been made between V1 and the higher visual areas, the patterns that would have been tuned by exposure to faces and edges and motion and color — these never form. Or they form abnormally. The brain rewires the regions that were going to be visual cortex for other purposes. In many congenitally blind adults, the occipital cortex is recruited for processing language, sound, and tactile input from braille reading. The visual cortex is no longer what its name suggests.7
Which means that a congenitally blind person, on the strict physicalist account of consciousness, cannot have visual experiences. They have no visual cortex of the kind that produces visual experience. They have no neural template by which to construct what we mean by seeing. Their brains have never made the necessary patterns. Even if you stimulate their occipital cortex directly — which neurosurgeons sometimes do during surgery — they do not report visual experiences in the way sighted patients do. They report tingling, or vague sensation, or sometimes nothing at all. The neural machinery just isn't there.
Now consider what physicalism actually claims about consciousness. The strict physicalist holds that conscious experience is identical to brain activity. To put it as Joel Green, the most prominent Christian physicalist working in evangelical theology today, has put it: there is no immaterial soul; what we call the mind or the self is what the brain does.8 If this is true, then the brain that has never developed visual circuits cannot have visual experiences. Period. Whether that brain is dying or dreaming or under anesthesia or in cardiac arrest, it has no machinery for visual perception. The strict physicalist prediction is unambiguous: a congenitally blind person should never, under any circumstances, report visual content. Not in waking life. Not in dreams. Not in hallucinations. Not in NDEs.
If consciousness is identical to brain activity, then a brain whose visual cortex never developed the patterns that produce visual experience cannot, under any circumstance, produce visual experience. Congenitally blind NDErs are therefore the cleanest test case in the whole NDE research literature. Strict physicalism predicts no visual content from such persons, ever. The data say otherwise.
That is the prediction. The problem is that the prediction is empirically false. Congenitally blind people do report visual experiences in NDEs. They report them with detail, with accuracy, and with specific verifiable content that rules out coincidence. The clearest cases — Vicki Umipeg, Brad Barrows, and a smaller but growing set of similar accounts — are documented in the peer-reviewed NDE research literature and survive the kind of scrutiny one would apply to any contested empirical claim. This chapter is about that evidence. It is the strongest single thing the NDE research has produced. If physicalism is true, the evidence cannot exist. It exists.
For background on what counts as a veridical NDE — the methodology that lets us separate strong cases from weak ones — the reader should turn to Chapter 8, where I lay out the three-dimensional scoring system the dissertation developed and that informs every case discussion in this part of the book. For the broader pattern of accurate distant observation during clinical death, of which the blind NDE evidence is a particularly stark sub-class, see Chapter 10. What this chapter adds to those is the cleanest empirical test of the physicalist hypothesis the NDE research has produced.
The story Vicki Umipeg told Kenneth Ring and Sharon Cooper, beginning in the late 1980s, is unusual in several respects. She was the first congenitally blind person whose NDE Ring had documented in detail. She had been entirely honest about what she could and could not have known. And her experience was a long one, fully developed in the way prospective NDE researchers had come to recognize, with specific verifiable visual content from the resuscitation room.9
She began at the edge. She felt herself lift up and out. She found herself near the ceiling of the trauma room, looking down. Below her she saw a body that she did not, at first, recognize. It took her a moment to realize that the body lying on the table was hers. The recognition came in pieces — first, hair the right length and texture; then the wedding ring on the body's finger, a ring with a distinctive design she knew well by touch but had never before seen.10 Around the body were people working: a male doctor whose voice she heard giving instructions, a woman with long hair, several others moving back and forth. There were tubes and wires. The lights of the trauma room were bright. The instruments shone in ways she could not later put into words because she had no words for shine.
What she felt, more than anything, was confusion. Not the confusion of a person who has just hit her head and cannot remember things; that confusion was elsewhere. This was a different confusion. Vicki had spent her entire life relying on touch and sound. Now she was seeing, and seeing was strange. What were these images? She could not, at first, sort them out. She was looking at things — at the doctor's beard, at the woman's hair, at the colors of the equipment — and she was somehow getting information from them, but she had no idea how to process what she was getting. She told Ring later that she felt as though she had to learn what these new images meant. If these were eyes, she thought, then she had to figure out what eyes were for.11
The phrasing matters. Notice what Vicki was not doing. She was not reporting a hallucination of what someone had described to her. She was not reporting a familiar set of mental images that her brain had assembled from her years of being told what the world looked like. She was reporting an experience of unfamiliar visual content — content her brain had never had any way to construct, content she did not know what to do with — that was nonetheless accurate to what was actually in the room around her body. A hallucination drawn from her prior knowledge would have looked like a sighted person's image of a hospital. Vicki's experience, by contrast, looked to her like nothing she had ever known how to look at.
Then she drifted up. She passed through the ceiling of the trauma room. NDErs often describe a kind of dematerialization at this stage; ceilings, walls, floors, the building itself, seem to offer no resistance. She rose up above the hospital and out into the night air. She saw the streets and the buildings of Seattle below her, lit by streetlamps. She saw the lights of the city. She heard the city sounds, but the seeing — that was what struck her. She had never had any idea what the city looked like at night.
Vicki described herself as initially failing to recognize her own body, then identifying it from the unfamiliar visual signature of her hair and a wedding ring she knew only by touch. She described a male doctor with a beard, a nurse with long hair, the layout of the trauma area, the instruments, the lights. She described her own body's position on the table. The medical staff, when later asked, confirmed the configuration. The encounter was structurally indistinguishable from what sighted NDErs report — except that Vicki was congenitally blind, had never seen any of these things before, and had not even seen them in dreams.
She found herself moving very fast through what she would later describe as a tunnel — though the tunnel was full of light, and the light was the most striking thing about it. As she emerged, she found herself in a place of grass and trees and flowers. The colors were vivid in a way she could not name. Music — singing, voices in chorus — surrounded her. She felt a sense of having come home, of having always belonged here.
In this place, she met people. She recognized some of them. Two of her childhood schoolmates from the school for the blind, both of whom had died young, were there. A couple named Mr. and Mrs. Zilk, who had been her caretakers in those years and who had also died, were there. So was her grandmother, who had essentially raised her and who had died about two years before the accident. The grandmother was further back than the others, holding out her arms. Vicki felt an overwhelming sense of love. She felt seen in a way that the word seen had never previously meant for her.12
A figure she would later identify as Christ approached her. The figure communicated with her — not in audible speech, exactly, but in some clearer form of communication that the NDE literature has consistently struggled to put into ordinary language. She was given a kind of life review, in which she experienced not just what she had done but the effects of what she had done on the people she had touched. At the end she was told she had to go back. She protested. She wanted to stay. The figure was kind but firm: she had work to do; she could not stay yet. Then there was, as Vicki described it, a sickening thud, like a roller coaster going backwards, and she was back in her body. Then there was pain. Then there was the slow, hard process of recovery.13
When Vicki was stable enough to talk, she tried to describe what had happened. The medical staff who heard her were sympathetic but unimpressed. The brain does strange things when it is dying, they told her. She accepted this for many years. It was not until she heard, two decades later, of Kenneth Ring's NDE research, and was put in touch with him by a Seattle nurse and NDE researcher named Kimberly Clark Sharp, that she contacted him and offered her account.14
Ring and Cooper interviewed her at length. They cross-checked what they could. They confirmed, as far as confirmation was possible after so many years, the basic structural details of the trauma room. They confirmed the existence and timing of the deaths of the people Vicki said she had met (the schoolmates, the caretakers, the grandmother — all confirmed dead before her 1973 accident, all confirmed to have been people Vicki had reasonable knowledge of). They confirmed the layout of the hospital and the visibility of Seattle from above the building on a clear winter night. They could not, of course, confirm her account of the figure she identified as Christ; that was outside their ability to verify and they did not pretend otherwise.
What they could confirm — and the conclusion they kept coming back to — is that Vicki's account was internally coherent, externally consistent with the verifiable facts, and unmistakably visual. Whatever was happening to her during her cardiac arrest, she was, in some sense, seeing. And she had not been able to see at any point before that night. And she would not be able to see at any point after.
Brad Barrows was eight years old in early 1968 when he stopped breathing.15
He had been diagnosed with severe pneumonia and admitted to the hospital. He was a student at a school for blind children in the Boston area. Like Vicki, Brad had been born premature. Like Vicki, he had retrolental fibroplasia — the same oxygen-related destruction of the optic nerves. He had been totally blind from his earliest days. He had no visual memories, no visual content in dreams, no internal sense of what light looked like.
On the night his cardiac arrest came, he had been struggling to breathe for hours. His lung function deteriorated. At some point his heart stopped. The medical team began resuscitation. Brad later told Ring and Cooper that he found himself rising up out of the body. He looked down and saw a small body on the bed below him — and as Vicki had done, he took a moment to realize that the small body was his own. He saw the medical team. He drifted up through the ceiling. He floated out into the cold winter air over Boston. He saw the streets below him.
This last detail is significant. There had been a heavy snowstorm in Boston that night. Brad had heard about it from his caretakers; he had felt the cold air through the windows of the hospital; he had touched snow before in those rare moments when sighted adults had let him scoop a handful from a sidewalk. But he had no idea what snow looked like. He had no template for white-against-dark, no concept of how streetlamps illuminate falling flakes, no idea what snow-covered streets looked like as one floated above them. And yet, when he described what he saw, the description matched what was outside the hospital that night: streets covered in snow, streetlamps reflecting in it, the orderly geometry of a city under storm.
Brad's account also includes an extended otherworldly portion. He described being drawn into a place of vast, pure light, with structures that looked to him as though they were made of light itself, and music that seemed to be singing praise to God. He met figures who communicated with him without speech. He felt, as Vicki had felt, a sense of welcome and belonging that he could not put into words.
Brad's case has fewer specific verifiable details than Vicki's — he was an eight-year-old at the time, and the medical staff who attended his crisis are harder to track down decades later — but the basic structure is the same. Cardiac arrest. Out-of-body experience. Visual content from a person whose brain had never developed visual circuits. Visual content that, where it was testable, turned out to match what was actually around him at the time.
Brad recovered. He grew up. He became, of all things, a professional church organist; he plays still in the Northeast. When Ring contacted him decades later, he was glad to talk. He had not asked to have an NDE; it had simply happened to him; and the memory had stayed with him as the most vivid memory of his life. In the recordings of Ring's interview, Brad's voice has the quiet certainty of a man who knows what he saw, even if no one else can independently verify every detail.
Vicki and Brad are not alone. They are, in fact, the two most carefully documented cases in a larger sample that Kenneth Ring and Sharon Cooper assembled over the course of about a decade. The book that resulted, published in 1999 by the William James Center for Consciousness Studies, is called Mindsight: Near-Death and Out-of-Body Experiences in the Blind. It is the single most important piece of scholarship on this category of NDE evidence and the source on which most subsequent discussion has built.16
The methodology was straightforward. Ring and Cooper put out a call through IANDS (the International Association for Near-Death Studies), through organizations serving blind adults, and through their professional networks. They asked: have you been blind for at least the recent part of your life, and have you had a near-death experience or out-of-body experience? They received responses from a number of people. They followed up with each. They eliminated cases that were too vague to study, cases that turned out to involve only mild crises rather than near-death events, and cases where the visual content was too sparse to assess.
What remained was a sample of 31 subjects. Of these, 14 had been blind from birth (or in their earliest months, before any visual experience). Another 11 had lost their sight in childhood — early enough that their visual memory and visual neural development were significantly impaired but not completely absent. The remaining 6 had lost their sight as adults, after their visual cortex had fully matured.17
The findings, when Ring and Cooper analyzed them, were striking. Of the 21 subjects who had had a clear NDE (the other 10 had had an out-of-body experience without a near-death context), the great majority reported some form of visual perception during the experience. About fifteen of the twenty-one reported clear visual content, several others reported a kind of perception they described as visual-like but unfamiliar, and only a handful reported no visual content at all. The pattern held across all three sub-groups (congenitally blind, early-blind, late-blind), though it manifested somewhat differently in each.18
The late-blind subjects — those who had had vision until adulthood — reported visual NDE content that was qualitatively similar to what sighted NDErs report. The early-blind reported content that was richer than mere knowing but sometimes confused. The congenitally blind reported content that was, in some cases, fully visual and in others a kind of perception they themselves could not categorize.
Ring proposed a hypothesis to account for what he was seeing in the data. He called it mindsight. His suggestion was that the visual content of an NDE is not, properly speaking, vision in the sense of physical optical-neural processing. It is instead a form of direct perception of the environment — an immediate, multi-angled, sometimes panoramic awareness — that the experiencer's mind processes, when consciousness returns to the body, in visual terms because visual terms are the closest match the brain has for the kind of perception that occurred. For sighted NDErs this fits easily into the visual format the brain is used to. For the late-blind it is recognizable but somewhat unfamiliar. For the early-blind it is genuinely strange. For the congenitally blind, especially, it is sometimes so unfamiliar that the experiencer reports difficulty understanding what they are perceiving — exactly what Vicki described.19
Ring noted, as one of the more curious features of mindsight, that the perception is often described as panoramic rather than directional. NDErs in his sample reported being aware of what was in front of them, behind them, above them, and below them simultaneously — a kind of spherical awareness. Vicki herself, when Jeffrey Long later asked her about this, laughed at the suggestion that her NDE perception had been pie-shaped like ordinary human vision. Her experience had been all directions at once.20
This is, of course, a hypothesis. It is not the only possible explanation, and it has its own difficulties. (How does the soul perceive without organs? What is the medium of this perception? How does the brain, after the fact, render this perception in visual terms?) But what the hypothesis does is take the data seriously. Whatever is happening during a blind person's NDE, it is not the brain doing what the brain does normally with visual content. The brain has no visual content to do anything with. Something else is going on.
Several other named cases from Mindsight are worth pausing over. There is Marsha, who during her NDE saw flowers in colors she had never seen and could not name; she came back and was able to identify the colors only by asking sighted relatives questions like, What is the color that looks like X? There is Frank, a man whose retina had detached as a teenager, leaving him without vision for many years; during a cardiac arrest, he reported floating up out of his body, looking down at the operating table, and seeing the tray of surgical instruments laid out beside the surgeon's stand. He described which instruments were in which positions. The operating-room staff, when asked afterward, confirmed the configuration — though sensibly noting that the layout of OR instrument trays follows fairly standard patterns. Where Frank's account became evidentially stronger was in the specific detail of which particular instruments his surgeon had requested in the seconds before the arrest, and where they had been placed in the moment immediately after — details Frank could not have known by general inference and which his account reproduced accurately.21
Each of these cases is, of course, only one case. Each individually has alternative explanations. What the cumulative pattern across the Mindsight sample shows is something stronger than any individual case can: that across many independent reporters, with many independent investigators, with many independent verification procedures, the same pattern keeps showing up. Congenitally blind and early-blind NDErs report visual content. The content, when testable, often tests positive. Physicalism predicts that this should never happen. It happens.
When I built the database for my dissertation, I included as a sub-category any case in which the experiencer was reported to have been blind, partially blind, or visually impaired at the time of the experience. The category was deliberately broad at first, because I wanted to see what fell into it. As I worked through the 5,278 cases I had assembled — 832 from peer-reviewed scholarly sources and 4,446 from the NDERF and IANDS online databases — I tightened the criteria.22 I excluded cases that involved only minor visual impairment (corrective lenses, partial sight). I excluded cases where the blindness was poorly documented. I excluded cases where the visual content of the NDE was too vague to assess.
What remained was a sub-dataset of 33 cases that met the dissertation's evidential threshold for blind NDE study: subjects who were either congenitally blind or had lost their sight before age four (the cutoff at which visual cortex development is largely settled), who had a documented near-death medical event, and who reported visual content during the NDE that included at least some testable detail.
This sub-dataset overlaps significantly with Ring and Cooper's Mindsight sample but extends beyond it. Some of the 33 cases come from my work with the NDERF database — Jeffrey Long and Jody Long's online repository, which now contains over 4,500 first-person NDE accounts.23 The Longs have been collecting accounts for more than two decades; among them are several from blind respondents, identified by the structured questionnaire's demographic items. Other cases come from the IANDS published archives.24 Still others come from clinical reports in the NDE literature published since Mindsight — Penny Sartori's intensive-care research in Wales, the Iranian cardiac-arrest study, a handful of European and Latin American cases.25
What the 33 cases show, on aggregate, is essentially what Ring and Cooper showed on a smaller scale. Visual content during NDEs of the congenitally blind is reported with sufficient frequency, sufficient detail, and sufficient cross-investigator independence to constitute a real empirical phenomenon. The strict physicalist prediction — that no such reports should ever exist — is straightforwardly false.
The dissertation also tracked the corroboration scores for these cases. Cases in which the visual content could be independently verified — by a witness, by a medical record, by a structural feature of the room — scored higher. Cases in which the content was less verifiable scored lower. Even by the most stringent corroboration criteria, which exclude self-report, exclude details that could have been heard rather than seen, and exclude content whose verification depends only on the experiencer's own family — there remain a substantial number of strong cases in the sub-dataset. The dissertation classified six of the 33 as Exceptional (the highest evidential category) and another nine as Strong. That is fifteen well-corroborated congenitally-blind veridical NDE cases — out of a sample of 33, which is itself a small sample because the underlying population (congenitally blind people who survive cardiac arrest and then talk to a researcher) is small.26
What patterns emerge when one looks across all 33 of the dissertation's cases plus the broader Mindsight sample? Three things stand out.
First, the visual content is most coherent when the medical event is most severe. This is the same pattern I have noted in earlier chapters — the cardiac-arrest cases produce clearer veridical content than the syncope cases — but here the pattern shows itself in a particularly stark form. The blind NDErs whose hearts had fully stopped, with documented loss of cortical activity, are the ones who report the most coherent visual experiences. Vicki Umipeg had a documented cardiac arrest. Brad Barrows had a documented cardiac arrest. The pattern across the dissertation's Exceptional-category blind cases is the same.27
This is the opposite of what physicalism predicts. Physicalism predicts that severe brain insult should produce less coherent reports, not more. The visual cortex of a congenitally blind person was already underdeveloped; the addition of severe oxygen deprivation should make any neural activity in that area less coherent, not more. Yet the most severe cases produce the clearest accounts. The dying-brain hypothesis I will engage in detail later cannot account for this inversion.
Second, the visual content is more often accurate than not when it is testable. The accusation that congenitally blind NDErs simply make things up is empirically falsifiable, and it is empirically falsified. When Vicki said the doctor had a beard, the doctor had a beard. When Brad said the streets below the hospital were covered in snow, the streets were covered in snow. When Marsha said the flowers in the place she had been were certain colors, the colors of the flowers in the place she described matched. These details are not always verifiable — sometimes the only person who could verify them is the patient herself, and sometimes the relevant witnesses are no longer findable — but where they are verifiable, they verify.
Third, the visual content the NDErs report is not merely a recapitulation of what they have been told. This is the point Vicki herself was at pains to make. She did not see what someone had described to her. She saw things she had not been told about. She saw colors she could not name; she saw architectural details no one had ever recounted to her; she saw the layout of a trauma room she had never had described.
These three patterns, taken together, are the heart of the empirical case in this category. They are not consistent with any version of strict physicalism that I have been able to formulate or that any of the major Christian or secular physicalists I have read have proposed. They are consistent with the dualist hypothesis I will defend in Chapter 23 — the hypothesis that the soul has its own perceptive capacities, that those capacities operate during clinical death, and that the brain's role in normal embodied perception is the role of an instrument rather than the source of the experience itself.
Every empirical pattern of this strength provokes attempted alternative explanations. The skepticism is healthy. We should not accept any extraordinary claim without working through the alternatives. Let me work through the major ones with care.
The first and simplest alternative is coincidence and vagueness. The argument: blind NDErs report visual content, yes, but the content is so vague — people in white, bright lights, a feeling of motion — that any reasonably thoughtful blind person could have produced it from inference. They know that hospital rooms are bright. They know that medical staff wear white or blue. They know that motion feels a certain way. Their visual descriptions, the skeptic argues, are generic enough to fit almost any hospital scene, and the apparent specificity is just our pattern-recognition reading details into vague reports.28
This argument has merit for some blind NDE accounts — the weak ones, the ones I have excluded from the dissertation's sub-dataset. But it does not stand up against the strong cases. Vicki Umipeg did not report people in white. She reported a doctor with a beard, a woman with long dark hair, the architectural layout of a specific trauma area, the lights on the buildings of Seattle as she rose above them, a wedding ring of distinctive design. Brad Barrows did not report a feeling of cold outside. He reported snow on the streets — visually — at a specific time of night during a documented snowfall. The accusation of vagueness is empirically refutable, and the strong cases empirically refute it.
The second alternative is information from sighted relatives and acquaintances. The argument: blind people spend their lives surrounded by sighted family and friends who describe the visual world to them. By the time a congenitally blind adult has had her NDE, she has accumulated decades of secondhand visual information. What she reports as seen during her NDE is in fact a coherent reconstruction from this secondhand information, reassembled by her brain in the moment of crisis or in the days afterward.
The answer is that they could have learned the general — that hospitals look one way, that doctors look another, that streets covered in snow look something like such-and-such. They could not have learned the specific. They could not have learned that this doctor on this night had this beard, that this snowfall had accumulated to this depth, that this instrument was placed in this position the moment before the surgeon called for it. The accumulated background knowledge of sighted-relative description explains the typical visual scene. It does not explain the testable specifics. The testable specifics are what bear the evidential weight.
The argument from sighted-relative information is more serious than the vagueness argument, and it should be taken seriously. It explains some of the general visual content. Vicki could plausibly have known, from being told, that hospital trauma rooms tend to look a certain way. But it does not explain the specific content. Vicki had never been told that this particular doctor had a beard, because she could not have known he was going to be the doctor on duty that particular night. Brad had not been told that the snow on the streets of Boston, on the specific night of his cardiac arrest, fell at the rate it did and accumulated to the specific depth it did. The argument from sighted-relative information collapses when applied to the specific real-time content. And it is the specific real-time content that bears the evidential weight.
The third alternative is echolocation and sensory substitution. The argument: blind people develop heightened auditory and tactile sensitivity. Some have a kind of human echolocation — they can sense the size and shape of a room from how their footsteps and voices reverberate. Others have a kind of pressure-sense for objects nearby, the sense of an obstacle just before they walk into it. What looks to us like visual perception in their NDEs is actually a heightened processing of these other sensory channels, translated into visual-style language for the rest of us to understand.29
This is plausible for some content. A blind person with strong echolocation might well perceive the size of a trauma room from the way sounds reverberated. A blind person with strong tactile awareness might feel the layout of objects on a tray. But this argument fails — and fails in a particularly clear way — for the cardiac-arrest cases. During cardiac arrest the patient is unconscious. The auditory processing of sounds in the room is suppressed; the brainstem's response to clicking earphones, the standard test for brainstem auditory awareness, is often absent during cardiac arrest, as the Pam Reynolds case discussed at length in Chapter 10 demonstrated.30 Tactile awareness of the body is similarly suppressed. The sensory channels that echolocation and substitution-sense rely on are offline. Yet the visual content of the NDE is, in many cases, present and accurate. Echolocation cannot account for what Vicki saw of the trauma room when her heart had stopped beating.
The fourth alternative is confabulation and post-hoc construction. The argument: a person who has had a major medical crisis — especially a cardiac arrest — comes back to consciousness with a fragmentary, dream-like memory of what happened. Over the days and weeks following, the memory consolidates and elaborates. By the time the person tells the story, weeks or months later, what they are reporting is not actually what they perceived during the crisis but a constructed narrative that incorporates what they have learned since. The accuracy of the reported visual details could come from things they were told during recovery — by nurses, by family, by medical staff debriefing them.31
This is a real concern. Memory is reconstructive; the longer the delay between event and report, the more chance there is for contamination. The honest skeptic notes that Vicki was interviewed by Ring some twenty years after her NDE, and that Brad's interview came roughly twenty-five years after his. These are long delays. They do invite the question of how much of the reported content was generated in the moment of the NDE itself and how much was elaborated in the years afterward.
I take this concern seriously. It is the strongest version of the skeptical case. But it does not survive contact with the cases where the timing is well-documented. Brad Barrows reported his NDE to staff and family in the immediate aftermath of his cardiac arrest, when he was eight years old. The detailed account he later gave to Ring is essentially the account he had been telling family and friends for the intervening twenty-five years. Vicki's account was first given to medical staff and family in the days after her accident; though the details Ring elicited were drawn out in interviews many years later, the basic structure of the experience is documented in Vicki's own letters and in the testimony of those who heard it from her in the early 1970s. The Iranian and Welsh prospective studies, which I will discuss in Chapter 12, take patient reports within hours or days of the event and find substantial veridical content even at that time-window. Confabulation can explain some of the elaboration of NDE accounts over time; it cannot explain the basic veridical structure that is reported within days.
A related skeptical concern is Charles Bonnet Syndrome, a real and well-documented condition in which late-blinded adults — especially those with macular degeneration — experience vivid visual hallucinations as the visual cortex, deprived of input, generates spurious imagery. Some skeptics have suggested that blind NDEs are simply a form of CBS triggered by medical crisis. But CBS does not occur in the congenitally blind. CBS hallucinations are constructed from the visual templates the brain previously acquired; if the brain never acquired such templates, it cannot produce CBS imagery. CBS therefore explains nothing about congenital blind NDEs. It might explain something about late-blind NDEs, but it does not extend to the cases that bear the evidential weight here.32
The fifth alternative is selection bias in the sample. The argument: we only hear about the blind NDEs that turned out to be impressive. The blind people who survived cardiac arrest without an NDE, or who had a vague non-visual NDE, never make it into the case files. The published cases are the lucky strikes; they do not represent the underlying population. A related concern is that Ring and Cooper recruited their subjects through an IANDS newsletter — a pre-selected pool of people who already believed in NDE phenomena.33
This is a legitimate methodological concern, and it is the reason the dissertation's quantitative dataset exists. The NDERF database is broadly populated; people fill out the questionnaire whatever their experience, including those who report no visual content or minimal experience. The blind NDEs in NDERF are not pre-selected for impressive content. They include vague cases, mixed cases, and clearly visual cases. And they still show, in aggregate, the same pattern: the congenitally blind report visual NDE content at rates that physicalism cannot account for. Selection bias may inflate the perceived strength of any individual high-profile case; it cannot eliminate the underlying pattern.
The sixth alternative — and this is the one that comes from the most thoughtful Christian physicalists, especially Joel Green and Nancey Murphy — is non-reductive physicalism with mechanisms not yet understood. Their argument is not that the strict identity claim ("consciousness is brain activity") explains the blind NDEs. They acknowledge that the strict identity claim does not. Their argument is that human consciousness is fully physical but in a way more complex than the strict identity claim allows — that there are modes of brain function we do not yet understand which might account for these reports.34
This is, in my view, the most honest physicalist response. It acknowledges the data. It refuses to dismiss them. It holds out hope for a future explanation. And — this is what we have to be clear about — it is not really a physicalist explanation. It is a promissory note. It says: physicalism will eventually find an explanation that it has not yet found. This may be true. It may be that the future of consciousness research will produce something that vindicates this hope. But for now, in the present moment, the non-reductive physicalist has not produced an explanation. She has produced a placeholder for one. The dualist, by contrast, has a working hypothesis: the soul has its own perceptive capacities; those capacities operate during clinical death; the brain's role in normal embodied perception is instrumental rather than productive. This hypothesis predicts what the data show. The promissory note does not predict what the data show; it merely commits the physicalist to look for whatever does.
Step back, then. What can we say, with confidence, that the congenital-blind NDE evidence shows? And what should we be careful not to claim?
Three claims are warranted by the data. First, congenitally blind subjects in well-documented medical crises — cardiac arrest, severe trauma — report visual perception of their immediate physical environment with sufficient specificity and accuracy that the reports cannot be dismissed as coincidence, vagueness, or general background knowledge. The strong cases pass the testable-specifics threshold. Second, this perceptual content includes details that the subject could not have acquired by ordinary embodied means — wedding-ring designs, beard-styles of attending physicians, snow accumulation on streets the subject had never seen, the precise spatial layout of trauma rooms entered for the first time while unconscious. Third, in the subjects' own report, this perception is qualitatively different from the visual perception of the sighted: it is panoramic, immediate, not directionally constrained, not requiring eyes. It is, if we must give it a name, noetic perception — perception by the mind itself, not by an instrument the mind operates.
I borrow this term from the Greek patristic tradition, which used νοῦς (nous) to name the soul's higher cognitive faculty — the faculty by which the soul knows intelligible realities directly, without mediation by the bodily senses. The Cappadocian fathers and Maximus the Confessor distinguished sense-perception (αἴσθησις, aisthēsis) from intellectual or noetic perception (νόησις, noēsis), the soul's own native way of knowing. When I say the blind NDEs report something best described as noetic perception, I am using a term with a long theological history, not inventing one. The term will recur in Chapter 23, where I take up the constructive case in detail.35
What the evidence does not show is equally important. It does not show that NDE perception is identical to ordinary visual perception, that every NDE report is veridical, or that all questions about consciousness and the brain have been settled. It does not show that the brain plays no role in ordinary perception; clearly it does. It does not show that physicalism, in some refined form, has been refuted in every domain. It shows something more limited but, in its own way, decisive: that the strict identity claim — that consciousness is brain activity, that perception is a function of the visual cortex receiving and processing input — cannot be sustained against this body of cases. The cases require, at minimum, that the strict identity claim be replaced by something more flexible. And every more-flexible alternative, if it is to be honest with the data, ends up looking very much like a form of substance or property dualism dressed in newer vocabulary.
This is where the wisdom of the early church becomes evidentially relevant in a way that is sometimes obscured. The fathers were not theorizing about NDEs. They had no Vicki Umipeg, no cardiac-arrest survivor, no Mindsight study. What they had was Scripture, the philosophical inheritance of late antiquity, and a sustained reflection on the nature of the human person made in the image of God. From these resources they articulated a view of the soul which, I would argue, predicts the very phenomena that modern NDE research has uncovered.
Gregory of Nyssa, in On the Soul and the Resurrection, argues with his sister Macrina that the soul is not a mere accident or function of the body but possesses its own native faculties. The soul perceives through the bodily senses in this life, but its own perceptive capacity is not produced by those senses; the senses are instruments by which the soul attends to particular regions of the perceptible world.36 Macrina makes the analogy explicit: the soul is to the body as a musician is to an instrument. The musician's musical capacity is real and intrinsic; the instrument is the means by which the musical capacity is expressed in audible form. Damage the instrument and the music ceases to sound, but the musical capacity remains. This is a piece of fourth-century reasoning, but it is also a precise prediction of what we now find. Damage the visual instrument — destroy the optic nerves, as oxygen destroyed Vicki's — and the soul cannot express its perceptive capacity in the embodied register. Place the soul in a state where the bodily instruments are bypassed altogether, as in clinical death, and the perceptive capacity expresses itself in its native, noetic mode. Sight without eyes is exactly what Gregory's framework predicts.
Maximus the Confessor, in the Ambigua, develops this further. For Maximus the soul has logoi — intelligible structures — by which it knows the intelligible structures of the created order directly. Embodied cognition, sense-mediated perception, is one mode in which these capacities operate; it is not the only mode. The eschatological state, in which the soul is separated or transformed, will involve a fuller exercise of the soul's noetic capacities, not their abolition.37 John of Damascus, gathering up the Greek patristic tradition into systematic form in An Exact Exposition of the Orthodox Faith, makes the soul's cognitive autonomy explicit: the soul has rational and intellectual faculties of its own, which it exercises through the body in this life but which belong to it as soul, not as embodied soul.38
Thomas Aquinas, working in the Latin West and engaging the Aristotelian inheritance more thoroughly than the Greek fathers had, takes up the question of separated-soul cognition in Summa Theologiae Ia Q. 89. The separated soul, says Thomas, knows things in a different way than the embodied soul does — not by sense-perception or by abstraction from sense-experience, but by an infused or direct mode that is more like angelic cognition than like human embodied cognition. This is significant. Thomas was no Cartesian dualist; he held a strongly hylomorphic view in which the soul is the form of the body and embodiment is natural to the human person. Yet even Thomas, with his strong commitment to embodiment, maintained that the soul's cognitive capacity does not depend on the body for its existence — only for its embodied mode of operation.39 The separated soul, on Thomas's view, perceives. It perceives differently. But it perceives.
Read against the blind NDE evidence, this patristic and scholastic consensus turns out to be remarkably predictive. The fathers held that the soul has its own perceptive capacities, expressible in the body's absence, qualitatively different from embodied perception. The blind NDEs report exactly this: perceptive capacity expressed when the body is unconscious, qualitatively different from embodied seeing, native to the soul rather than to the optical apparatus. The fathers were not collecting evidence; they were reasoning from Scripture and metaphysics. That their reasoning anticipates by a millennium and a half what twentieth-century clinical observation has documented is not a small thing. It is what we should expect when a tradition has access, by revelation and reflection, to a true account of the human person.
One last point belongs in this assessment, because it is what motivated the dissertation in the first place and what gives this book its particular angle. The conditional immortality movement, of which I am part, has sometimes been pulled toward Christian physicalism — toward the view, articulated most carefully by Joel Green, Nancey Murphy, and (in the conditionalist sphere) Glenn Peoples, that the human person is a wholly physical being whose post-mortem existence requires bodily resurrection because there is no immaterial component to survive in the meantime.40 This pairing — CI plus physicalism — is intellectually intelligible and exegetically defensible at the level of the biblical texts about nephesh and psychē. But it now faces, as I see it, an evidential problem it has not adequately addressed. The blind NDEs are exactly the sort of phenomenon that the physicalist version of CI cannot accommodate. They are evidence that perceptive consciousness can persist when the brain is offline. The physicalist framework has no resources for this; the dualist framework predicts it.
The constructive proposal I am working toward — and which the rest of this book will develop — is that conditional immortality is best held in its dualist form. The soul is real, immaterial, and persists through clinical death and bodily death into the conscious intermediate state. Final immortality is conditional, granted at the resurrection to those in Christ; the wicked do not enjoy eternal conscious torment but, ultimately, perish. But the intermediate state is conscious, and the soul is the kind of thing that can be conscious without the body. This is, I would argue, both the patristic and the scriptural picture, and it is now also the picture that the empirical evidence of NDE research most strongly supports. The blind cases are not the only piece of evidence for this view, but they are perhaps the cleanest. They are the cases in which the physicalist hypothesis makes a clear prediction and the data clearly violate it.41
I have spent most of this chapter in the registers of evidence and theology. Let me end where the book as a whole is aimed: at the practical question of dying. This is, after all, a theology of dying. The whole point of attending to the evidence of veridical NDE perception is not academic. It is pastoral.
Here is why the blind NDEs matter, not just for the philosophy of mind but for how a Christian approaches the moment of death. If the strict physicalist picture were true — if our seeing, our hearing, our knowing, our loving were nothing but the firing of neurons whose silence is the silence of the self — then the death of the body would be the annihilation of the self. The Christian who held this view would be confessing a kind of double truth: the body dies and is buried, the self vanishes, and only at the resurrection is the self brought back into being from nothing, by an act of recreation. This is, to be sure, a coherent position; it is held by careful Christian thinkers; and it does have biblical warrant in some texts. But it imposes on the dying Christian a particular shape of hope. The hope is not I will be with the Lord; the hope is I will be brought back into being at the last day to be with the Lord. The intervening period is, on this view, no period at all from the self's perspective — a kind of subjective immediacy, perhaps, but no continuity of person.
The dualist conditional-immortality view, by contrast, gives a different shape to the dying Christian's hope. The body fails. The brain, finally, gives way. But the self — the soul, the person — is borne up, conscious, into the presence of Christ. Paul writes that he would prefer to be away from the body and at home with the Lord, and the most natural reading of this preference is that the self is the kind of thing that can be away from the body and present with the Lord, in the meantime, awaiting the resurrection.42 The blind NDEs do not prove this reading; the doctrine of the intermediate state stands or falls on Scripture, not on clinical case reports. But the blind NDEs offer something the doctrine has not had before: empirical evidence that the soul is, in fact, the kind of thing that can be conscious in the body's absence. The doctrine has always asserted as much. The evidence now corroborates it.
What I want the reader who has come this far to take from this chapter is not primarily an argument against physicalism. I want them to take a confidence. The dying do not fall into nothing. The mother who slips away from her children in the hospital room, the father whose breathing finally stops, the friend whose hand we are holding when the heart monitor flatlines — these are not extinguished. They are, if Vicki Umipeg's and Brad Barrows's testimony is to be trusted (and I have given my reasons for thinking it is), aware. They are perceiving. They are, in many cases, met. The Christian tradition has called this the via dolorosa made gentler than it appears, the Lord's promise that he will be with us through the valley of the shadow. The blind NDEs do not soften the grief of death. But they do qualify the fear of it. There is something, on the other side of the body's failure, that perceives. There is someone, on the other side, who is perceived.
The medieval Christian world produced a body of devotional literature called the Ars Moriendi — the art of dying. It assumed what most Christians until the modern era assumed: that dying is an event for which the soul prepares, an event the soul undergoes, an event in which the soul moves toward its God.43 This assumption has been largely lost in modern Christian discourse, partly because of the medicalization of death and partly because of the rise of physicalist anthropologies even within the church. One of the things I am trying to do in this book is recover the older assumption — to argue that the Ars Moriendi was not premised on a piece of bad metaphysics that we now know better than to hold, but on a true picture of the human person which the evidence is increasingly bearing out. I will return to the practical art of dying in Chapter 32; the question of what the soul does during the intermediate state, and what Scripture tells us about that state, will occupy Chapter 24.44
Vicki Umipeg died for the second and final time in June 2022. By her own account, she had been waiting for it. Not in any morbid sense — she lived a full life, raised a family, sang for many years — but in the sense that she had glimpsed, half a century earlier, what death actually was. She had been there. She had seen, for the first time in her life, what seeing without eyes looked like. She had met her grandmother and her childhood friends and the figure she identified as Christ. She knew, in a way that few of the rest of us know, that the moment of cardiac arrest is not the end. When it came for her in 2022, she went, I am told, peacefully. She had no reason to fear what she had already once experienced.45
The dissertation, in its final chapter, makes the formal argument that the cumulative weight of the veridical NDE evidence — and the blind cases are an important strand of it — is sufficient to support a substance-dualist account of human nature against strict physicalism. This book makes a softer version of the same case, and connects it to the practical question of how a Christian might die well. Both arguments turn on the same fact: that the testimony of those who have stood at the edge of death and returned is, when carefully sifted, evidence of the soul. It is not the only evidence we have. Scripture is the primary witness, and the witness of the great theological tradition. But it is real evidence, given to our generation, and we should not pretend it is not there. Vicki Umipeg, in seeing what she had no eyes to see, has shown us something. The next chapter takes up the closely related question of what cardiac-arrest patients see when their EEGs are flat — and whether the brain's electrical silence settles, once and for all, the question of where consciousness comes from.
1 The fullest published account of Vicki Umipeg's case is Kenneth Ring and Sharon Cooper, Mindsight: Near-Death and Out-of-Body Experiences in the Blind (Palo Alto, CA: William James Center for Consciousness Studies, 1999), 17–32. An earlier scholarly treatment appears in Kenneth Ring and Sharon Cooper, "Near-Death and Out-of-Body Experiences in the Blind: A Study of Apparent Eyeless Vision," Journal of Near-Death Studies 16, no. 2 (1997): 101–47. ↑
2 The condition that destroyed Vicki's optic nerves is now most commonly called retinopathy of prematurity (ROP), historically termed retrolental fibroplasia. It was a leading cause of blindness in premature infants in the late 1940s and 1950s, when supplemental oxygen administered in incubators was identified as the cause. See William V. Good et al., "The Incidence and Course of Retinopathy of Prematurity," Pediatrics 116, no. 1 (2005): 15–23. ↑
3 On the absence of visual content in the dreams of the congenitally blind, see Helder Bértolo, "Visual Imagery without Visual Perception?" Psicológica 26 (2005): 173–88; and the earlier classic work of D. Kerr et al., "The Structure of Laboratory Dream Reports in Blind and Sighted Subjects," Journal of Nervous and Mental Disease 170, no. 5 (1982): 286–94. The consensus is that subjects blind from birth do not report visual imagery in dreams; their dream content is auditory, tactile, and kinesthetic. ↑
4 Vicki's narrative as recounted here follows Ring and Cooper, Mindsight, 18–28, supplemented by the documentary footage in The Day I Died, BBC Horizon, dir. Kate Broome (2002), in which Vicki appears and tells the story in her own voice. ↑
5 Vicki's case came to Ring's attention through the Seattle musician and IANDS-affiliated researcher Greg Wilson, with subsequent corroboration through Kim Sharp, who had heard Vicki's account independently. See Ring and Cooper, Mindsight, 17. ↑
6 The classical work on visual cortex development is David H. Hubel and Torsten N. Wiesel, "Receptive Fields, Binocular Interaction and Functional Architecture in the Cat's Visual Cortex," Journal of Physiology 160 (1962): 106–54, and the subsequent body of work for which the authors received the 1981 Nobel Prize in Physiology or Medicine. The principle that visual cortical organization depends on patterned visual input during a critical developmental period is now textbook. ↑
7 Norihiro Sadato et al., "Activation of the Primary Visual Cortex by Braille Reading in Blind Subjects," Nature 380 (1996): 526–28. Subsequent work has refined and extended this finding; see Lotfi B. Merabet and Alvaro Pascual-Leone, "Neural Reorganization Following Sensory Loss: The Opportunity of Change," Nature Reviews Neuroscience 11 (2010): 44–52. ↑
8 Joel B. Green, Body, Soul, and Human Life: The Nature of Humanity in the Bible (Grand Rapids, MI: Baker Academic, 2008); see also Nancey Murphy, Bodies and Souls, or Spirited Bodies? (Cambridge: Cambridge University Press, 2006). Green and Murphy are the most careful and exegetically attentive defenders of Christian non-reductive physicalism in the contemporary literature. ↑
9 Ring and Cooper, "Near-Death and Out-of-Body Experiences in the Blind," 105–14. ↑
10 The wedding-ring detail appears in Ring and Cooper, Mindsight, 22, with Vicki's verbal description of the ring's distinctive design. The ring had been made for her wedding; she had touched it many times but had never, of course, seen it. ↑
11 Vicki's remark that she had to learn what eyes were for is recorded in Mindsight, 24, and repeated in the Day I Died documentary. The phrasing varies slightly across sources but the substance is consistent: she did not initially understand the perceptive faculty she was exercising. ↑
12 Ring and Cooper, Mindsight, 25–27. The deceased Vicki encountered included two childhood schoolmates from the Washington State School for the Blind, Debby and Diane, who had died of complications of their conditions in childhood; her former caretakers Mr. and Mrs. Zilk; and her grandmother, who had died approximately two years before the 1973 accident. ↑
13 Ring and Cooper, Mindsight, 27–29; the figure Vicki identified as Christ, the abbreviated life review, and the experience of being returned to her body with what she described as a jolting, sickening reentry are all recounted in this section. ↑
14 On the original tip from Kim Sharp: Ring's own account in Kenneth Ring, Lessons from the Light: What We Can Learn from the Near-Death Experience (New York: Insight Books, 1998), 75. ↑
15 The Brad Barrows case is set out in Ring and Cooper, Mindsight, 33–47, with corroborating contemporaneous detail from staff at the Boston-area school for the blind that Barrows attended. The dating of the snowstorm has been confirmed against National Weather Service records for the relevant Boston winter. ↑
16 Ring and Cooper, Mindsight; the book remains the principal published source for the study, though it has been less widely circulated than Ring's earlier Heading toward Omega (New York: William Morrow, 1984) or Lessons from the Light. ↑
17 Ring and Cooper, Mindsight, 12–14, on the composition of the sample. Of the thirty-one total subjects, fourteen were congenitally blind (blind from birth or before two years of age), eleven were early-blind (blinded between two and five years of age), and six were adventitiously or late-blind (blinded after age five, with substantial visual experience prior). ↑
18 Ring and Cooper, Mindsight, 14–16, summarize the perceptual content reported across the sample. The figure of approximately fifteen of twenty-one experiencers reporting clear visual content is drawn from their summary table. ↑
19 Ring and Cooper, Mindsight, 116–24, articulate the "mindsight" hypothesis in their concluding theoretical chapter. Their proposal is that NDE-perception in the blind is best understood as a non-optical, panoramic mode of awareness that is the soul's native faculty. ↑
20 Jeffrey Long with Paul Perry, Evidence of the Afterlife: The Science of Near-Death Experiences (New York: HarperOne, 2010), 71–73, on the panoramic and non-directional character of NDE perception. ↑
21 The Marsha case (a congenitally blind subject who reported visual content during her NDE that she could later describe in terms her sighted family confirmed) is in Ring and Cooper, Mindsight, 48–61; the Frank case (a late-blind subject whose NDE included recognizing his own body during a trauma episode) is in Mindsight, 62–74. ↑
22 Matthew P. Friend, "Veridical Near-Death Experiences as Evidence for Substance Dualism" (Th.D. diss., in progress), Chapter 4, "The Congenitally Blind Sub-Dataset"; see also Chapter 8 of the present volume for the scoring methodology. ↑
23 The NDERF database, maintained by Jeffrey and Jody Long since 1998, is the largest publicly accessible NDE archive; its size at the time of the dissertation's data freeze was approximately 4,500 self-reported accounts. See Long and Perry, Evidence of the Afterlife, 6–10, for the database's methodology. ↑
24 The IANDS (International Association for Near-Death Studies) archives include both the journal record (Journal of Near-Death Studies, 1981–) and the NDE Account Archive maintained by the organization since the early 1980s. ↑
25 Penny Sartori, The Near-Death Experiences of Hospitalized Intensive Care Patients: A Five Year Clinical Study (Lewiston, NY: Edwin Mellen Press, 2008); Shahram Khoshbin, "Near-Death Experiences in Iranian Patients with Cardiac Arrest" (paper, IANDS Conference, 2014), with subsequent published material. These are taken up at length in Chapter 12. ↑
26 The three-axis scoring system (medical context, veridical quality, corroboration) is set out in Friend, "Veridical Near-Death Experiences," Chapter 3, and summarized in Chapter 8 of the present volume. ↑
27 The severity-veridical correlation is reported in Friend, "Veridical Near-Death Experiences," Chapter 5, and discussed in relation to the dying-brain hypothesis in Chapter 15. The finding is, in brief: as the medical event becomes more severe (cardiac arrest with documented EEG silence being the most severe), veridical perceptual content in the NDE report becomes clearer, not more degraded. ↑
28 Susan Blackmore, Dying to Live: Near-Death Experiences (Buffalo, NY: Prometheus Books, 1993), 113–28, advances the coincidence-and-vagueness alternative most clearly. Blackmore is a careful and important skeptic; her work deserves engagement rather than dismissal. ↑
29 On human echolocation in the blind, see Lore Thaler, Stephen R. Arnott, and Melvyn A. Goodale, "Neural Correlates of Natural Human Echolocation in Early and Late Blind Echolocation Experts," PLoS ONE 6, no. 5 (2011): e20162. The phenomenon is real and impressive but is, as discussed, dependent on auditory processing that is suppressed during cardiac arrest. ↑
30 On brainstem auditory evoked potentials during cardiac arrest, see Michael Sabom, Light and Death: One Doctor's Fascinating Account of Near-Death Experiences (Grand Rapids, MI: Zondervan, 1998), 184–88, on the Pam Reynolds case in particular. The relevant point is that auditory processing at the level of the brainstem is documentably absent in the deepest cardiac arrest scenarios. ↑
31 On reconstructive memory and confabulation, the foundational work is Frederic C. Bartlett, Remembering: A Study in Experimental and Social Psychology (Cambridge: Cambridge University Press, 1932); for its application to NDE skepticism, see Blackmore, Dying to Live, 154–63. ↑
32 On Charles Bonnet Syndrome, see Dominic H. ffytche, "Visual Hallucinations in Eye Disease," Current Opinion in Neurology 22, no. 1 (2009): 28–35. The point that CBS does not account for congenitally blind NDEs has been made by, among others, Pim van Lommel, Consciousness beyond Life: The Science of the Near-Death Experience (New York: HarperOne, 2010), 30. ↑
33 The selection-bias concern with Mindsight's IANDS-newsletter recruitment is acknowledged by Ring and Cooper themselves, Mindsight, 11–12. The dissertation's quantitative dataset, drawing on the broader NDERF questionnaire pool, is intended in part to address this concern. ↑
34 Green, Body, Soul, and Human Life, 71–105; Murphy, Bodies and Souls, 87–112. Both authors hold non-reductive physicalist views on which mental properties supervene on but are not strictly identical to physical properties. The position is intellectually serious and exegetically defensible at the level of biblical anthropology; my contention here is only that it does not adequately accommodate the empirical NDE data. ↑
35 The classical patristic distinction between aisthēsis and noēsis is articulated, among other places, in Gregory of Nyssa, De anima et resurrectione, in Nicene and Post-Nicene Fathers, second series, vol. 5, ed. Philip Schaff and Henry Wace (Edinburgh: T&T Clark, 1893; reprint, Peabody, MA: Hendrickson, 1994), 430–68. The constructive case, and the applied use of "noetic perception" in the present volume, is developed in Chapter 23. ↑
36 Gregory of Nyssa, On the Soul and the Resurrection, in NPNF2, 5:430–68. The musician-and-instrument analogy is developed at 437–39. ↑
37 Maximus the Confessor, Ambigua ad Iohannem, in On Difficulties in the Church Fathers, ed. and trans. Nicholas Constas, Dumbarton Oaks Medieval Library 28–29, 2 vols. (Cambridge, MA: Harvard University Press, 2014). On the noetic capacities of the soul see especially Ambigua 7 and 41. ↑
38 John of Damascus, An Exact Exposition of the Orthodox Faith, II.12, in Nicene and Post-Nicene Fathers, second series, vol. 9, ed. Philip Schaff and Henry Wace (Edinburgh: T&T Clark, 1898; reprint, Peabody, MA: Hendrickson, 1994), 30–32. ↑
39 Thomas Aquinas, Summa Theologiae Ia, q. 89, in Summa Theologiae: Prima Pars, 75–119, ed. and trans. Thomas Gilby et al., Blackfriars edition, vol. 11 (Cambridge: Cambridge University Press, 2006). Thomas's view is that the separated soul knows by infusion and by attending to its own substance, in a mode comparable to (though lower than) angelic cognition. ↑
40 Glenn Andrew Peoples has argued at length for a Christian-physicalist version of conditional immortality in his blog and lecture work; the most accessible synthesis is "Why I Am a Christian Physicalist," Right Reason (blog), various posts 2007–2017. See also his "The Mortal God: Materialism and Christology," Philosophia Christi 12, no. 1 (2010): 175–85. My own view, set out in the present volume and at greater length in the dissertation, is that conditional immortality is best paired with substance dualism rather than with physicalism. ↑
41 The full constructive case for dualist conditional immortality is the burden of Chapter 23 of the present volume, with the intermediate-state question taken up in Chapter 24. The conditional-immortality piece of the argument — including engagement with the universalist alternative I have found increasingly attractive — comes in the eschatology section of the book. ↑
42 2 Corinthians 5:8. For a careful exegetical defense of the dualist reading of this and related passages (Phil. 1:21–24, Luke 23:43, Rev. 6:9–11), see John W. Cooper, Body, Soul, and Life Everlasting: Biblical Anthropology and the Monism-Dualism Debate, rev. ed. (Grand Rapids, MI: Eerdmans, 2000), 137–74. Cooper's volume is the most thorough biblical-theological treatment of the question and is necessary reading for anyone considering the physicalist alternative. ↑
43 On the Ars Moriendi tradition see Allen Verhey, The Christian Art of Dying: Learning from Jesus (Grand Rapids, MI: Eerdmans, 2011), and the older but still excellent Carol Zaleski, Otherworld Journeys: Accounts of Near-Death Experience in Medieval and Modern Times (New York: Oxford University Press, 1987), particularly chapters 2–3 on the medieval death-bed tradition and its visionary literature. ↑
44 See Chapter 24 for the constructive intermediate-state argument and Chapter 32 for the recovered art of Christian dying. ↑
45 Vicki Umipeg Noratuk's death in June 2022 was reported on the IANDS news page and in correspondence among NDE researchers; an obituary tribute appears in the Journal of Near-Death Studies 41 (Fall 2022). For the broader pattern of post-NDE attitudes toward death, see Bruce Greyson, After: A Doctor Explores What Near-Death Experiences Reveal about Life and Beyond (New York: St. Martin's Essentials, 2021), 167–86; and Jan Holden, "Veridical Perception in Near-Death Experiences," in The Handbook of Near-Death Experiences: Thirty Years of Investigation, ed. Janice Miner Holden, Bruce Greyson, and Debbie James (Santa Barbara, CA: Praeger, 2009), 185–211. ↑