Chapter 31
A nurse named Kimberly Clark Sharp once met a patient named Maria. Maria had just survived cardiac arrest. While doctors worked on her heart, Maria later said, she had floated up out of her body and ended up on the other side of the hospital. There, on a third‑floor window ledge — a ledge she could not have seen from her bed and had never visited — she saw a worn tennis shoe. She described it in detail: dark blue, with a small toe rubbed thin and a shoelace tucked under the heel. Sharp went looking. The shoe was there. Exactly as described.1
Now here is the question. If you are a skeptic, what do you do with this case?
The story has several strands you have to explain. Maria reports an out‑of‑body experience. That experience is set during the time her heart had stopped. She describes a real, physical object. She gets specific details right. The object was hidden — invisible from her bed, invisible from any room she had ever been in. And no staff member had any reason to walk her past that ledge after her resuscitation.
You can find a possible physicalist explanation for any one of those strands. The question is whether you can find one that explains all of them at once — and whether the resulting explanation is anywhere near as simple as the dualist alternative.
That is the question of this chapter.
John Martin Fischer and Benjamin Mitchell‑Yellin have given the most sophisticated philosophical case against the dualist reading of NDEs. Their book is careful, fair, and worth taking seriously.2 Two of their arguments form the spine of philosophical NDE skepticism, and both deserve a hearing on their own terms.
The first is the piecemeal strategy. In chapters 8 and 11 of Near‑Death Experiences: Understanding Visions of the Afterlife, Fischer and Mitchell‑Yellin argue that pro‑NDE researchers like Pim van Lommel and Eben Alexander rely on a hidden mistake. These researchers run down a list of physical mechanisms — hypoxia, drugs, REM intrusion, temporal lobe activity — and reject each one because no single mechanism can account for every feature of every NDE.3 But that, the philosophers say, is the wrong test. Why must one factor explain everything? House fires usually have multiple causes. So do illnesses. So might NDEs.
Their proposed strategy is a multi‑factor explanation. Hypoxia might explain part of the experience. Terror management theory might explain the reunion with deceased loved ones. False memory might explain how a patient comes to “remember” things he learned only later. Cultural priming might explain the tunnel and the light. They lay this out as a three‑step procedure: explain how the subject acquired the information; explain why that content shows up in an NDE; explain when it took place.4
The second argument is their take on Occam’s Razor. Pro‑NDE writers like E. W. Kelly, Bruce Greyson, and Ian Stevenson have argued that when several anomalous features cluster together — enhanced cognition during a flat brain, accurate perception from outside the body, knowledge that should be impossible — a single hypothesis (consciousness can function independently of the brain) is simpler than a stack of separate physical mechanisms.5
Fischer and Mitchell‑Yellin push back hard. Simplicity, they argue, is not a reliable guide to truth. They quote the philosopher of science Bas van Fraassen, who pointed out that there is no general reason to expect the world to be simple rather than complicated.6 And they argue that the dualist hypothesis is not even simpler once you take seriously what dualism actually requires. To do its explanatory work, an immaterial consciousness must somehow interact with the physical brain in ordinary life, leave and re‑enter during NDEs, and get remembered afterward through ordinary brain processes. That is not one factor. That is a whole new physics on top of the physics we already have.
Add the so‑called interaction problem — how an immaterial soul could push around a material brain at all — and they conclude that supernaturalism is actually more complicated than physicalism, not less. Their verdict: physicalism wins, and supernaturalism “is not even probably true.”7
That is a serious case. The rest of this chapter is the defense.
Three problems undercut the force of these arguments.
First, the piecemeal strategy gets more complicated with each strand it has to handle. Fischer and Mitchell‑Yellin frame their multi‑factor approach as the simpler alternative to single‑factor supernaturalism. But that framing only works if you ignore what their strategy actually requires. Each new feature of an NDE adds another mechanism. Out‑of‑body sensation? Add temporo‑parietal junction stimulation. Tunnel? Add retinal hypoxia. Light? Add REM intrusion. Life review? Add temporal lobe activation. Veridical perception? Add lucky guessing or post‑recovery sensory leakage. Reunion with the deceased? Add terror management. Lucid mentation during cardiac arrest? Add residual brain activity not picked up by EEG.
That is seven mechanisms — at minimum — for one experience the experiencer reports as one continuous event. None has been shown to operate during cardiac arrest. Each carries empirical baggage of its own. And every one has been answered, mechanism by mechanism, in earlier chapters. We treat hypoxia in Chapter 11, the temporal lobe in Chapter 12, the TPJ in Chapter 13, dreams in Chapter 15, ketamine in Chapter 16, the timing problem in Chapter 17, and memory reconstruction in Chapter 18. Stacking them together does not make them collectively stronger. It makes the explanation less plausible than any of them alone.
Second, van Fraassen’s point about simplicity cuts both ways. Fischer and Mitchell‑Yellin invoke van Fraassen to deflate the dualist’s appeal to parsimony. Fair enough. But if simplicity is not a reliable guide to truth, then their own case — which assumes the methodological superiority of the physicalist paradigm — loses its main support too. The relevant question is not which theory is simpler. It is which theory fits the evidence. On the evidence, dualism does considerably better than the multi‑factor physicalism Fischer and Mitchell‑Yellin propose.
Third, the interaction problem cuts both ways too. They are right that immaterial consciousness interacting with the physical brain is mysterious. But physicalism faces its own version of the same mystery. How does material brain matter produce felt subjective experience? That is the hard problem of consciousness, and after a hundred and fifty years of neuroscience no one has solved it.8 When physicalists complain about the dualist’s interaction problem, they are objecting that dualism cannot explain the origin of the very thing physicalism also cannot explain. That is not an argument against dualism. It is a confession that consciousness is hard. We treat this fully in Chapter 23.
Set aside the procedural moves and ask the empirical question. What theory accounts for what we see?
Return to Maria’s shoe. The piecemeal strategy says: take each feature, find a mechanism. But the features in Maria’s case are not separable in the way the strategy assumes. They are tied together by a single timeline (her cardiac arrest), a single mind (Maria’s), and a single coherent report given afterward.
Suppose hypoxia gives her the tunnel. Suppose terror management gives her the peace. Suppose REM intrusion gives her the floating sensation. Stipulate them, even though none has been shown to occur during cardiac arrest. None of them explains the shoe. The shoe is the problem. To explain the shoe, you must add another mechanism — sensory leakage, post‑recovery learning, false memory, lucky guess. None works. Maria’s bed had no view of the ledge. She had not seen the shoe before her arrest. No staff member had reason to walk her past it after. Sharp herself had to physically search the building.
The piecemeal strategy assumes each feature can be peeled off and treated alone. The veridical features are exactly the ones that resist peeling. They braid into the rest of the experience. They cannot be explained without smuggling in extra coincidences. Once you add up the coincidences, the “simple” multi‑factor account is not simpler than dualism. It is much more complicated.
Step back. Look at the strands together: veridical perception during clinical death, blind people seeing for the first time only during NDEs, small children meeting deceased relatives whose deaths they did not know about, deathbed visions corroborated by family members, terminal lucidity, shared death experiences in healthy bystanders, transformation that lasts for decades, and core features that show up across cultures and centuries.
To explain all of that physicalistically, you need a different mechanism for each strand — and each mechanism has to fail to apply to the cases the others were meant to explain. Hypoxia cannot explain blind NDEs. Cultural conditioning cannot explain children’s NDEs. Brain malfunction cannot explain shared death experiences in healthy bystanders. False memory cannot explain veridical perceptions verified at the time. Terror management cannot explain terminal lucidity in dementia patients.
Each strand requires its own ad hoc explanation. Each must be tailored to that one strand and disconnected from the others. That is the textbook profile of an inelegant theory. The dualist hypothesis covers every strand with a single proposal: human consciousness is not entirely produced by the brain. Ordinarily the brain mediates and constrains it. When the brain is impaired or dying, consciousness can sometimes operate apart from it. By the very standard of explanatory unification Fischer and Mitchell‑Yellin claim physicalism enjoys, dualism wins.
Key argument. The dualist hypothesis explains every strand of NDE evidence with a single proposal. The physicalist piecemeal alternative requires a different mechanism for each strand — and each mechanism has to be tailored so that it cannot apply to the cases the others were invoked for. That is not parsimony. That is the opposite.
The strongest single strand is veridical perception — cases where experiencers accurately report what was happening around them while their bodies were unresponsive and their brains, by every available measure, could not have generated perception. We owe the most rigorous catalogue to Rivas, Dirven, and Smit, whose The Self Does Not Die assembles 128 corroborated cases.9 Maria’s shoe is one. The dentures man from van Lommel’s Lancet study is another (Chapter 4). Pam Reynolds is a third (Chapter 5). Janice Holden’s review of the published literature found that of NDE cases reporting verifiable details about the physical environment, roughly 92 percent were entirely accurate, with another 6 percent mostly accurate.10 A 92 percent accuracy rate over hundreds of cases is something the piecemeal strategy must explain — and cannot.
If consciousness is brain‑generated, congenitally blind people should not have visual experiences. Their occipital cortex has never processed visual data. Yet Vicki Umipeg, blind from birth, reported seeing for the first and only time during her NDE — and her account included verifiable visual details of the operating room.11 Cooper and Ring documented dozens of similar cases (Chapter 6). A hallucinating brain cannot hallucinate visual content it has never processed.
Skeptics often appeal to cultural conditioning — the idea that NDErs reproduce the religious imagery they have absorbed since childhood. But very young children, with little exposure to NDE concepts, report the same core features as adults. More striking, children sometimes meet deceased relatives they did not know had died.12 The “Peak in Darien” pattern is at its strongest in children, who could not be expected to confabulate around accurate medical information they had no access to (Chapter 7).
If NDEs were entirely culture‑bound, you would expect the core experience to vary as widely as the cultures that produce it. The opposite is what you find. Core features — departure from the body, peaceful awareness, encounter with a being or beings, life review, return — appear across continents and centuries: in Christian Europe, Hindu India, Buddhist Tibet, secular America. Cultural details adjust. The structure does not. We treat this in Chapter 8, and the related “but accounts vary” objection in Chapter 22.
These three corroborating phenomena, treated together in Chapter 9, are devastating to a brain‑only model. Deathbed visions sometimes include cases where the dying person sees a relative they did not know had recently died — and turns out to be right.13 Terminal lucidity is the well‑documented return of clear consciousness in severely demented or brain‑damaged patients shortly before death — when the brain has degenerated past the point where lucid thought should be possible.14 Shared death experiences are NDE‑like phenomena reported by healthy bystanders at the moment of a death. The dying‑brain hypothesis cannot apply to a brain that is not dying.
The skeptical literature has proposed mechanism after mechanism, and we have devoted a chapter to each. Hypoxia (Chapter 11). Temporal lobe activity (Chapter 12). The temporo‑parietal junction (Chapter 13). Phantom‑limb illusory body (Chapter 14). REM intrusion (Chapter 15). Ketamine and DMT (Chapter 16). The claim that the experience must be timed to recovery rather than to clinical death (Chapter 17). The pattern is consistent. Each mechanism can produce something resembling a fragment of an NDE under non‑near‑death conditions. None produces the lucid, structured, veridical experience NDErs report. None operates during cardiac arrest, when the brain is in no condition to produce anything.15
Skeptics also raise general objections about memory reconstruction (Chapter 18), researcher bias (Chapter 19), cultural priming (Chapter 20), and the difference between vivid and veridical (Chapter 21). Each receives a full chapter; none survives close inspection. Memory reconstruction does not produce content the patient had no access to. Bias cuts both ways. And the gap between vivid and veridical is irrelevant once veridical content is independently verified, which is what the corroborated cases provide.
Behind the skeptical case sits an unstated philosophical commitment: that the brain is wholly responsible for consciousness, full stop. We address this assumption in Chapter 25. Physicalism faces large‑scale problems quite apart from NDEs — the hard problem of consciousness, the failure of any reductive theory to give a satisfying account of subjective experience, and persistent trouble explaining intentionality, qualia, and the unity of mind.16 Substance dualism — not Platonic dualism, but the embodied dualism of historic Christianity — handles these problems with much less strain (Chapter 24). NDE evidence corroborates the dualist picture rather than founding it.
For Christian readers, there is one more strand. Scripture has taught from the beginning that human beings are body and soul; that the soul departs at death (Gen. 35:18; Eccl. 12:7); that to be absent from the body is to be present with the Lord (2 Cor. 5:8); that the souls of the martyrs are conscious before the throne (Rev. 6:9–11). The conscious intermediate state is not a fringe Christian doctrine. It is the historic teaching of the church, affirmed in the early creeds, defended in detail by John Cooper in Body, Soul, and Life Everlasting.17 We treat the biblical evidence in Chapter 26, and the supposed conflict between soul and resurrection in Chapter 27. NDEs do not establish biblical anthropology. Scripture does. But the empirical evidence corroborates what Scripture has taught all along.
These strands are unequal in weight. Some are nearly conclusive on their own. Some are merely suggestive. None is unanswerable in isolation. But isolation is the wrong frame. Each strand reinforces the others. Veridical perception is why blind NDEs and shared death experiences are not anomalous flukes. Children’s NDEs are why cultural conditioning cannot do the work skeptics need it to do. Deathbed phenomena are why “dying brain” is too narrow to handle the full pattern. The hard problem is why physicalism keeps reaching for new mechanisms instead of solving the old one.
A chain of nine strands is only as strong as its weakest link. A rope of nine is much stronger than any one of them.
Two objections deserve a hearing here.
The first is the promissory move. Fischer and Mitchell‑Yellin themselves rely on it. Neuroscience is in its infancy, the relevant sciences are works in progress, and we should not write off physicalism just because the current toolkit is incomplete.18 Maybe the dying‑brain hypothesis will look very different in a hundred years.
The principle is fair. Science does progress. But two things follow. First, “wait and see” is not an explanation. It is a promise of one. The current evidence has to be weighed against the current alternatives. Second, the gap that future neuroscience would have to close is enormous. To explain veridical perception during clinical death, it would need to discover a mechanism by which a non‑functioning brain registers physical events at a distance, at the same level of precision as ordinary perception, and stores those registrations for later recall. That is not an incremental refinement. That would be a revolution. And if it ever happens, it will look more like the filter model — consciousness operating partly independently of the brain — than like classical physicalism.19
The second is the reliability move. Skeptics insist that NDE accounts are “merely anecdotal,” reported years after the fact by self‑selected witnesses. But the rigorous portion of the literature is not anecdotal. Pim van Lommel’s Lancet study was prospective, peer‑reviewed, and conducted across multiple Dutch hospitals. Sam Parnia’s AWARE studies are prospective and multi‑center. Holden’s veridical‑accuracy work is a systematic literature review. Bruce Greyson’s NDE Scale is a validated psychometric instrument. Rivas, Dirven, and Smit document 128 corroborated cases with multiple independent witnesses. This is mainstream scholarship in a recognized field. To dismiss it as anecdote is not skepticism. It is refusal.20
Worth noticing. The skeptical case has had several books, decades of effort, and the considerable talent of Marsh, Fischer, Mitchell‑Yellin, Blackmore, and others. It has produced sharp arguments, clarifying objections, and useful caution against the worst excesses of popular NDE writing. It has not, in the end, accounted for what the evidence shows.
The cumulative case stands. Marsh hopes his neurophysiological account will eventually persuade.21 Fischer and Mitchell‑Yellin hope future science will fill in their multi‑factor strategy. We can grant the hope, and still ask what the evidence we already have actually points to. It points to a human person whose conscious life is not exhausted by the firing of neurons — who, in extreme moments, can perceive and reason and remember when no neurons are firing in the way they would need to. That is not the conclusion of one strand. It is the convergence of many.
What this means for life and death and hope is the subject of Chapter 32.
↑ 1. The Maria case was first reported by Kimberly Clark Sharp; for a careful presentation see Janice Miner Holden, “Veridical Perception in Near‑Death Experiences,” in Janice Miner Holden, Bruce Greyson, and Debbie James, eds., The Handbook of Near‑Death Experiences: Thirty Years of Investigation (Santa Barbara: Praeger, 2009), and the discussion in Titus Rivas, Anny Dirven, and Rudolf H. Smit, The Self Does Not Die: Verified Paranormal Phenomena from Near‑Death Experiences, 2nd ed. (Durham, NC: International Association for Near‑Death Studies, 2023), Case 1.4. We treat the case more fully in Chapter 4.
↑ 2. John Martin Fischer and Benjamin Mitchell‑Yellin, Near‑Death Experiences: Understanding Visions of the Afterlife (Oxford: Oxford University Press, 2016).
↑ 3. Fischer and Mitchell‑Yellin, Near‑Death Experiences, ch. 8 (“Can Near‑Death Experiences Be Explained by a Single Factor?”), critiquing what they call the “Single Explanation” assumption in van Lommel and Alexander.
↑ 4. Fischer and Mitchell‑Yellin, Near‑Death Experiences, ch. 11 (“A Strategy for Explaining Near‑Death Experiences”). The three‑step framework is laid out at the start of the chapter and applied to the Pam Reynolds, James Leininger, and Colton Burpo cases.
↑ 5. The argument from explanatory unification originates with Emily Williams Kelly, Bruce Greyson, and Ian Stevenson, “Can Experiences Near Death Furnish Evidence of Life After Death?” Omega 40, no. 4 (1999–2000): 513–19. Fischer and Mitchell‑Yellin engage and respond to it in ch. 9 of Near‑Death Experiences.
↑ 6. Bas C. van Fraassen, Laws and Symmetry (Oxford: Clarendon, 1989), as quoted in Fischer and Mitchell‑Yellin, Near‑Death Experiences, ch. 9. Their use of van Fraassen against the dualist case is a centerpiece of the chapter.
↑ 7. Fischer and Mitchell‑Yellin, Near‑Death Experiences, ch. 9 (closing) and ch. 11. The specific verdict that supernaturalism “is not even probably true” closes their treatment of explanatory simplicity in chapter 9.
↑ 8. The classic statement is David J. Chalmers, “Facing Up to the Problem of Consciousness,” Journal of Consciousness Studies 2, no. 3 (1995): 200–19; see also Chalmers, The Conscious Mind: In Search of a Fundamental Theory (New York: Oxford University Press, 1996). Marsh himself acknowledges the hard problem in Out‑of‑Body and Near‑Death Experiences, pp. 99–100.
↑ 9. Rivas, Dirven, and Smit, The Self Does Not Die, foreword and chs. 1–3. The book’s explicit purpose is to gather corroborated cases in one place so that the cumulative weight cannot be dismissed by the kind of one‑case‑at‑a‑time refutation often attempted by skeptics.
↑ 10. Holden, “Veridical Perception in Near‑Death Experiences,” in Holden, Greyson, and James, Handbook of Near‑Death Experiences. Holden examined ninety‑three published cases of NDE perceptions of the physical environment with sufficient detail to allow accuracy assessment.
↑ 11. 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); Vicki Umipeg’s case is a centerpiece of the study and is discussed in detail in Chapter 6.
↑ 12. Cherie Sutherland, “‘Trailing Clouds of Glory’: The Near‑Death Experiences of Western Children and Teens,” in Holden, Greyson, and James, Handbook; Melvin Morse with Paul Perry, Closer to the Light: Learning from the Near‑Death Experiences of Children (New York: Villard, 1990); Jeffrey Long with Paul Perry, God and the Afterlife: The Groundbreaking New Evidence for God and Near‑Death Experience (New York: HarperOne, 2016), ch. 3.
↑ 13. J. Steve Miller, Deathbed Experiences as Evidence for the Afterlife: A Groundbreaking, Scientific Apologetic (Acworth, GA: Wisdom Creek, 2024), chs. 1–5; see also Karlis Osis and Erlendur Haraldsson, At the Hour of Death, 3rd ed. (Norwalk, CT: Hastings House, 1997).
↑ 14. Michael Nahm et al., “Terminal Lucidity: A Review and a Case Collection,” Archives of Gerontology and Geriatrics 55, no. 1 (2012): 138–42; Miller, Deathbed Experiences, chs. 6–7. We treat terminal lucidity in Chapter 9.
↑ 15. See Pim van Lommel et al., “Near‑Death Experience in Survivors of Cardiac Arrest: A Prospective Study in the Netherlands,” The Lancet 358, no. 9298 (2001): 2039–45, on the absence of measurable cortical activity during cardiac arrest; and Chris Carter, Science and the Near‑Death Experience: How Consciousness Survives Death (Rochester, VT: Inner Traditions, 2010), ch. 13, for a survey of the failure of neurological mechanisms to account for NDEs as a class.
↑ 16. J. P. Moreland, The Soul: How We Know It’s Real and Why It Matters (Chicago: Moody, 2014); Brandon Rickabaugh and J. P. Moreland, The Substance of Consciousness: A Comprehensive Defense of Contemporary Substance Dualism (Hoboken, NJ: Wiley‑Blackwell, 2024); Thomas Nagel, Mind and Cosmos: Why the Materialist Neo‑Darwinian Conception of Nature Is Almost Certainly False (New York: Oxford University Press, 2012).
↑ 17. John W. Cooper, Body, Soul, and Life Everlasting: Biblical Anthropology and the Monism‑Dualism Debate, 2nd ed. (Grand Rapids, MI: Eerdmans, 2000), chs. 2–7. Cooper’s argument for “holistic dualism” is the standard scholarly defense of the historic Christian view.
↑ 18. Fischer and Mitchell‑Yellin, Near‑Death Experiences, ch. 9, where they appeal to ongoing scientific progress to defer the dualist conclusion. They are explicit that “neuroscience is in its infancy” and that the prospect of a future physical explanation should weigh against current dualist inferences.
↑ 19. The filter or transmission model has its modern roots in William James, Human Immortality: Two Supposed Objections to the Doctrine (Boston: Houghton Mifflin, 1898), and Henri Bergson, Matter and Memory (1896; New York: Zone Books, 1990). For a contemporary defense see Edward F. Kelly et al., Irreducible Mind: Toward a Psychology for the 21st Century (Lanham, MD: Rowman & Littlefield, 2007), ch. 9.
↑ 20. Van Lommel et al., “Near‑Death Experience in Survivors of Cardiac Arrest”; Sam Parnia et al., “AWARE—AWAreness during REsuscitation—A Prospective Study,” Resuscitation 85, no. 12 (2014): 1799–1805; Bruce Greyson, “The Near‑Death Experience Scale: Construction, Reliability, and Validity,” Journal of Nervous and Mental Disease 171, no. 6 (1983): 369–75; Rivas, Dirven, and Smit, The Self Does Not Die.
↑ 21. Michael N. Marsh, Out‑of‑Body and Near‑Death Experiences: Brain‑State Phenomena or Glimpses of Immortality? (Oxford: Oxford University Press, 2010), Introduction (pp. xv–xxv) and ch. 12. Marsh frames his project as an attempt to anchor NDEs in “metabolically disturbed brains” rather than in transcendent reality.