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Near-death experience
A near-death experience (NDE) refers to a personal experience associated with impending death, encompassing multiple possible sensations including detachment from the body, feelings of levitation, total serenity, security, warmth, the experience of absolute dissolution, and the presence of a light.[1][2]
Popular interest in near-death experiences was initially sparked by Raymond Moody's 1975 book Life After Life[3] and the founding of the International Association for Near-Death Studies (IANDS) in 1981.[4] According to a Gallup poll, approximately eight million Americans claim to have had a near-death experience.[5]
Scientists generally regard the NDE to be a hallucinatory experience caused by various neurological factors such as cerebral anoxia, hypercarbia, abnormal activity in the temporal lobes or brain damage, whilst some parapsychologists, philosophers and NDE researchers consider them to be evidence for an afterlife and mind-body dualism.[6][7][8][9]
- 1 Characteristics
- 2 Research
- 3 Personal experiences
- 4 See also
- 5 References
- 6 Further reading
- 7 External links
The earliest accounts of this type of experience can be traced to the Myth of Er, recorded in the 4th century BC by Plato's The Republic (10.614-10.621), wherein Plato describes a soldier telling of his near-death experiences.[3]:115[10]:96–99
The equivalent French term expérience de mort imminente (experience of imminent death) was proposed by the French psychologist and epistemologist Victor Egger as a result of discussions in the 1890s among philosophers and psychologists concerning climbers' stories of the panoramic life review during falls.[12][13] In 1968 Celia Green published an analysis of 400 first-hand accounts of out-of-body experiences.[14] This represented the first attempt to provide a taxonomy of such experiences, viewed simply as anomalous perceptual experiences, or hallucinations. These experiences were popularized by the work of psychiatrist Raymond Moody in 1975 as the near-death experience (NDE).
Researchers have identified the common elements that define near-death experiences.[15] Bruce Greyson argues that the general features of the experience include impressions of being outside one's physical body, visions of deceased relatives and religious figures, and transcendence of egotic and spatiotemporal boundaries.[16] Many common elements have been reported, although the person's interpretation of these events often corresponds with the cultural, philosophical, or religious beliefs of the person experiencing it.
The traits of a classic NDE are as follows:
- The notice of unpleasant sound or noise (claimed by Raymond Moody).[3]
- A sense/awareness of being dead.[15][17]
- A sense of peace, well-being and painlessness. Positive emotions. A sense of removal from the world.[15][17][18]
- An out-of-body experience. A perception of one's body from an outside position. Sometimes observing doctors and nurses performing medical resuscitation efforts.[15][17][18][19]
- A "tunnel experience" or entering a darkness. A sense of moving up, or through, a passageway or staircase.[15][17][19]
- A rapid movement toward and/or sudden immersion in a powerful light (or "Being of Light") which communicates with the person.[17][18]
- An intense feeling of unconditional love and acceptance.[18]
- Encountering "Beings of Light", "Beings dressed in white", or similar. Also, the possibility of being reunited with deceased loved ones.[15][18][19]
- Receiving a life review, commonly referred to as "seeing one's life flash before one's eyes".[15][17][18]
- Receiving knowledge about one's life and the nature of the universe.[18]
- Approaching a border,[17] or a decision by oneself or others to return to one's body, often accompanied by a reluctance to return.[15][18][19]
- Suddenly finding oneself back inside one's body.[20]
Connection to the cultural beliefs held by the individual, which seem to dictate the phenomena experienced in the NDE and the later interpretation thereof.[21]
Kenneth Ring (1980) subdivided the NDE on a five-stage continuum. The subdivisions were:[22]
- Peace
- Body separation
- Entering darkness
- Seeing the light
- Entering the light
He stated that 60% experienced stage 1 (feelings of peace and contentment), but only 10% experienced stage 5 ("entering the light").[23]
Clinical circumstances associated with near-death experiences include cardiac arrest in myocardial infarction (clinical death); shock in postpartum loss of blood or in perioperative complications; septic or anaphylactic shock; electrocution; coma resulting from traumatic brain damage; intracerebral hemorrhage or cerebral infarction; attempted suicide; near-drowning or asphyxia; apnea; and serious depression.[24] In contrast to common belief, Kenneth Ring argues that attempted suicides do not lead more often to unpleasant NDEs than unintended near-death situations.[25]
The distressing aspects of some NDEs are discussed more closely by Greyson and Bush.[26]
NDE variants[edit]
Some NDEs have elements that bear little resemblance to the "typical" near-death experience. Anywhere from one percent (according to a 1982 Gallup poll) to 20 percent[27] of subjects may have distressing experiences and feel terrified or uneasy as various parts of the NDE occur, they visit or view dark and depressing areas or are accosted by what seem to be hostile or oppositional forces or presences.[28] Persons having bad experiences were not marked by more religiosity or suicidal background. According to one study (Greyson 2006) there is little association between NDEs and prior psychiatric treatment, prior suicidal behavior, or family history of suicidal behavior. There was also little association between NDEs and religiosity, or prior brushes with death, suggesting the occurrence of NDEs is not influenced by psycopathology, by religious denomination or religiosity, or by experiencers' prior expectations of a pleasant dying process or continued postmortem existence.[29] Greyson (2007) also found that the long term recall of NDE incidents was stable and did not change due to embellishment over time.[30]
Bush (2012), a counselor, and board member and former Executive Director to the International Association for Near-Death Studies, holds that not all negative NDE accounts are reported by people with a religious background.[31] Suicide attempters, who should be expected to have a higher rate of psychopathology according to Greyson (1991) did not show much difference from non-suicides in the frequency of NDEs.[32] Bush (2012), holds that frightening NDEs have been ignored too long, in favor of only positive reports: "In fact, because contemporary metaphysical thought has so strongly emphasized the belief (or certainly the hope) that only the light is real and has value, it has by and large denied or ignored the 'dark night' aspects of spirituality."[33]
Negative or distressing NDEs[edit]
Lindley, Bryan and Conley (1981) in a study of 55 near-death encounters found eleven (20 percent) to be "partially negative or Hellish." They defined a "negative" near death experience as one that contains extreme fear, panic or anger. It may also contain descriptions of demonic creatures or embittered human-like voices that mock or taunt the subjects. Such negatives may only form part of the overall NDE incident. Margot Grey's study of NDEs in England (Grey 1985) reports that distressing experiences tend to follow 5 phases: fear and panic, out of body experience, entering a black void, sensing an evil force and entering a hellish environment. These 5 phases parallel the more typical "standard" NDEs of peace, out of body experience, tunnel travel, seeing the light, and entrance to the paradise environment. Distressing experiences were more likely to be reported shortly after the NDE incident than the positive experiences.[34]
Grey's comparative study of British and American near-death experiencers indicates that negative features, while a small minority, definitely exist. Typical negative experiences described by subjects include feelings of panic, anguish, desperation, intense loneliness and desolation. Subjects described environments as either dark and gloomy or barren and hostile; some subjects reported being on the brink of a pit or abyss, or sensing evil or malevolent forces or creatures. Such environments were sometimes conceived of by subjects as intensely hot or cold and often included sounds of despair or mourning. Atwater (1988) also noted patterns parallel to peaceful NDEs in her study including lifeless apparitions, barren expanses, threats or silence, a seeming danger of violence, a sense of hell and coldness. Flynn (1986) notes a general pattern to distressing experiences in which evil or darkness is experienced as a distinct dimension or entity separate from the positively experienced light.[35] Atwater (1992) reports that only adults in her sample experienced distressing NDEs, not children.[36]
Three patterns of distressing NDEs. Greyson and Bush's (2013) analysis of 50 distressing NDEs, report the following three patterns:[37]
- Level one: Experience of certain "typical" NDE features that were interpreted as terrifying. Features such as out of body travel, meeting of persons on "the other side", barriers that separated certain zones from others, etc. were experienced negatively rather than positively, usually from a sense of lack of control.
- Level two: A second pattern of distressing NDE experiences was an experience of nothingness or of existing in an eternal, featureless void. This experience sometimes included a sense of despair, that earthly life itself had been a cruel illusion or joke. Sometimes this sense is amplified by bitter, raging entities similarly suspended in the darkness of the void, who maliciously jeer and taunt the subject, suggesting that they never even existed. Subjects felt trapped, with all they had known before gone, and a sense of trying to prove existence, that now seemed meaningless in the endless gloom.
- Level three: The third pattern was explicit hellish images sometimes involving foreboding or menacing landscapes, a sense of falling down a dark abyss, which had levels filled with scenes of mourning, wailing, despair, or threat by a hostile presence similarly situated in the more intense or abysmal location. The dark or menacing entities who pursued or taunted the NDEr might be perceived as raging or embittered human souls or some other entity, and appeared real to the NDE traveler. Few explicit accounts of horned imps, devils, pitchforks, physical torture or other such elements of hell from popular culture appear however. In some cases, supposedly trapped souls endure tormenting "fire" or "flame"- the tormenting "fire" not being physical, but moral, in the form of remorse or anguish at their own choices, behaviors or attitudes, agony or regret at being separated from the Light or Light Being, or frustration at the inability to satisfy earthly obsessions brought into death.[38]
Moral dimensions of distressing NDEs. A number of writers on Near Death Experiences identify a dark zone or "void" in association with negative or malignant spiritual beings, or a zone of despair, depression or despondency connected with the actions persons have committed in earthly life or their moral character.[39] These negative elements may not be isolated but may blend with other standard NDE features. NDErs who have viewed a "dark" void of depressed or trapped "souls" for example, may still go on to have a Life Review, feeling of warmth and love, and other such elements. The Life Review NDE accounts detail is usually a time of searching exposure and affirmation, having moral implications that the NDE traveler had to confront, including his or her actions and the negative or positive impact they had on others.[40] Some New Age writers like Edgar Cacye[41] and Emmanuel Swedenborg[42] also identify a dark or negative area brought about by the dead person's own behavior, state or obsessions in their earthly physical life. According to Swedenborg: "All who are in the Hells are in evils and in falsities therefrom derived from the loves of self and of the world" (n. 551-565).[43]
This aspect of the Life Review is sometimes described as humbling with inward character, thoughts and outward actions laid bare, and the subject invited to examine how wrong (or right) they were through the eyes of the Divine/Light Being, and how others were affected. While the exposure was felt as distressing in some aspects, the Review is generally in a larger context of being unconditionally loved, though regret and guilt may be experienced. NDErs under the full moral exposure of the Review almost always agreed with the Divine Being as to rightness or wrongness of their actions, as seen through the Being's moral perspective, and the rightness of that perspective.[40] The Being of Light or others may later make clear to the NDE that they are in a temporary transitional not permanent state and must choose to "go back" or "stay". Sometimes the NDEr is told that a "work" or life must be completed. The final moral destiny or fate of the "returning" NDEr is thus pushed back to some future time.[44]
In the 1990s a literature on distressing near-death experiences emerged. One cardiologist (Maurice Rawlins) describes a patient fading in and out of consciousness screaming "I am in hell." The patient later described near-death phenomena but without recalling the hellish aspect. Both doctor and patient were transformed by the experience, each becoming religious. Medical patients appear more likely to forget such frightening experiences than pleasant ones, or may be more reluctant to share negative self-images and memories than positive ones with researchers.[45] According to one study of NDEs- most contemporary near-death experiencers recount that they, not the Light Being perform the moral judgment, their own consciences holding them accountable. The "Figure of Light" serves to provide the standard of judgment. A recurring theme in Life Reviews is that each person is responsible for every thought, word and deed of his or her life.[46] Bush (2012) holds that the notion of being prepared may apply if consciousness is not strictly in the human brain:
- "This concept is part of a much larger conversation involving the growing evidence that consciousness is not strictly located in the brain but has a much greater field, perhaps universe-wide. That being true, it seems likely that the better prepared we are for these kinds of experience, the happier will be the outcome."[47]
Distressing NDE patterns and outcomes. Rommer (2001) found that NDE suicide attempters made up 55% of people in her research who reported a Type II Eternal Void experience, 18% who reported a Type III Hellish experience, and most of those who reported a Type IV Negative Judgment experience, but cautions against jumping to conclusions about suicides since some suicide NDEs are pleasurable, and the emotional turmoil surrounding the suicide event, and/or guilt or fear about the negative consequences for suicides on the other side may play a part in influencing the pattern of these experiences.[48] NDErs who experience distressing experiences may often turn around their lives in a positive way, or attempt to do so. Rommer 2001[49] suggests that distressing NDErs almost always come to see their experiences as blessings in disguise. Bush (2002) holds that "returning" NDErs have a more mixed pattern of post-event edjustment- with those who interpret the experience as a warning to correct previous behaviors healing most quickly and thoroughly. Others may attempt to dismiss the experience as less valid than pleasurable NDEs, or may take a long view, sometimes lasting years, to draw lessons and conclusions from the NDE experience.[50]
NDE messages[edit]
A small percentage of NDE subjects report a prophetic vision that reveals to them the fate of earth and humanity. This is generally an apocalyptic vision showing the end times, but some report visions of humanity evolving into higher beings. Although some claim to have specific forecasts such as the time of a big natural disaster, most NDErs who allege messages or prophecies do not proffer specific information on future world events, save in a general way: such as warning mankind that it is accountable on the other side, a vague coming period of war and chaos, or to turn from environmental destruction or mistreatment of one another, or the vast new realm of light and love beyond physical death.[51] Some prophecies are of a personal nature, such as children that will be born in the future, or the pending death of a relative.[52] Other prophecies are limited to the personal testimony of the NDE, as to the felt reality of the experience, the future of light and hope, or the ethical, moral or religious lessons to be drawn, rather than sweeping claims as to specific future historical incidents.[53]
Messages said to be given sometimes occur during the life review, where the NDEr is given a detailed "playback" exposing all thoughts, actions and motives and their impact, as seen through the moral and spiritual lens of the "being of light". The personal future or outcome of the temporary NDE sojorner is sometimes left ambiguous. A life review may confirm personal safety, protection or salvation upon future death, or may leave the future open until the normal termination of earthly life. Some NDE travelers may conceive of life reviews as a "reprieve" or a "second chance" to put things right in their lives, before they cross over the other side of death, since all actions and thoughts are to be accountable there.[54] NDErs generally are changed by their experience, becoming less ego-centric, more empathetic, and having less interest in status symbols and material possessions.[29]
Standard hypothesis[edit]
In the process of clinical death, the heart stops working and pumping blood to the brain, thereby cutting the brain's essential supply of oxygen and of other less urgent nutrients. In dogs, measurable brain activity ends within 20 to 40 seconds.[55] And during brain death, all brain function halts permanently. As characteristic of all biological cells, brain cells die once deprived of oxygenated blood, destroying the brain. According to the current mainstream neuroscientific view, the mind fails to survive brain death and ceases to exist.[56][57][58]
Because the study of NDEs is a topic that addresses multiple possible feelings, sensations and their origins, research on NDE should be conducted primarily by researchers with credentials in cognitive neuroscience. Cognitive neuroscience addresses the questions of how psychological functions (for example, human feelings and sensations) are produced by neural circuitry (including the human brain). Modern contributions to the research on near-death experiences, however, have come from several academic disciplines that generally do not include neuroscience.[59] There are multiple reasons for this trend.[59] For example, brain activity scans are not typically performed when a patient is undergoing attempts at emergency resuscitation.[60] Claiming that there is no measurable brain activity without having a variety of different EEG, catSCAN, FMRI, etc. is not considered a good scientific practice.[59][60]
Existing research is mainly in the disciplines of medicine, psychology and psychiatry. Heightened brain activity has been recorded in experimental rats directly following cardiac arrest, though there has been no similar research in humans.[61][62][63][64] Individual cases of NDEs in literature have been identified into ancient times.[65] In the 19th century a few efforts moved beyond studying individual cases - one privately done by the Mormons and one in Switzerland. Up to 2005, 95% of world cultures have been documented making some mention of NDEs.[65]
Contemporary interest in this field of study was originally spurred by the writings of Jess Weiss (popular literature author), Elisabeth Kübler-Ross (psychiatrist), George Ritchie (psychiatrist), and Raymond Moody (psychologist and M.D.). Moody's book Life After Life, which was released in 1975, brought public attention to the topic of NDEs.[15] This was soon to be followed by the establishment of the International Association for Near-Death Studies (IANDS) in 1981. IANDS is an international organization that encourages scientific research and education on the physical, psychological, social, and spiritual nature and ramifications of near-death experiences. Among its publications are the peer-reviewed Journal of Near-Death Studies and the quarterly newsletter Vital Signs.[4]
Bruce Greyson (psychiatrist), Kenneth Ring (psychologist), and Michael Sabom (cardiologist), helped to launch the field of near-death studies and introduced the study of near-death experiences to the academic setting. From 1975 to 2005, some 2500 self reported individuals in the US had been reviewed in retrospective studies of the phenomena[65] with an additional 600 outside the US in the West,[65] and 70 in Asia.[65] Prospective studies, reviewing groups of individuals and then finding who had an NDE after some time and costing more to do, had identified 270 individuals.[65] In all close to 3500 individual cases between 1975 and 2005 had been reviewed in one or another study. All these studies were carried out by some 55 researchers or teams of researchers.[65] The medical community has been reluctant to address the phenomenon of NDEs, and grant money for research has been scarce.[4] Nevertheless, both Greyson and Ring developed tools usable in a clinical setting. Major contributions to the field include Ring's construction of a "Weighted Core Experience Index"[66] to measure the depth of the near-death experience, and Greyson's construction of the "Near-death experience scale"[67] to differentiate between subjects that are more or less likely to have experienced an NDE. The latter scale is also, according to its author, clinically useful in differentiating NDEs from organic brain syndromes and non-specific stress responses.[67] The NDE-scale was later found to fit the Rasch rating scale model.[68] Greyson[69] has also brought attention to the near-death experience as a focus of clinical attention, while Melvin Morse, head of the Institute for the Scientific Study of Consciousness, and colleagues[19][70] have investigated near-death experiences in a pediatric population.
Neurobiological factors in the experience have been investigated by researchers in the field of medical science and psychiatry.[71] Among the researchers and commentators who tend to emphasize a naturalistic and neurological base for the experience are the British psychologist Susan Blackmore (1993), with her "dying brain hypothesis",[72] and the founding publisher of Skeptic magazine, Michael Shermer (1998). More recently, cognitive neuroscientists Jason Braithwaite (2008)[73] from the University of Birmingham and Sebastian Dieguez (2008)[74] and Olaf Blanke (2009)[75] from the Ecole Polytechnique Fédérale de Lausanne, Switzerland have published accounts presenting evidence for a brain-based explanation of near-death experiences.
In September 2008, it was announced that 25 U.K. and U.S. hospitals would examine near-death studies in 1,500 heart attack patient-survivors. The three-year study, coordinated by Sam Parnia at Southampton University, hopes to determine if people without heartbeat or brain activity can have an out-of-body experience with veridical visual perceptions.[76] This study follows on from an earlier 18-month pilot project.[77]
The top peer-reviewed journals in neuroscience, such as Nature Reviews Neuroscience, Brain Research Reviews, Biological Psychiatry, Journal of Cognitive Neuroscience are generally not publishing research on NDEs. Among the scientific and academic journals that have published, or are regularly publishing, new research on the subject of NDEs are Journal of Near-Death Studies, Journal of Nervous and Mental Disease, British Journal of Psychology, American Journal of Disease of Children, Resuscitation, The Lancet, Death Studies, and the Journal of Advanced Nursing.
Variance in NDE studies[edit]
The prevalence of NDEs has been variable in the studies that have been performed. According to the Gallup and Proctor survey in 1980-1981, of a representative sample of the American population, data showed that 15% had an NDE.[78] Knoblauch in 2001 performed a more selective study in Germany and found that 4% of the sample population had an NDE.[79] The information gathered from these studies may nevertheless be subject to the broad timeframe and location of the investigation.
Perera et al., in 2005, conducted a telephone survey of a representative sample of the Australian population, as part of the Roy Morgan Catibus Survey, and concluded that 8.9% of the population had an NDE.[80] In a clinical setting, van Lommel et al. (2001), a cardiologist from Netherlands, studied a group of patients who had suffered cardiac arrests and who were successfully revived. They found that 62 patients (18%) had an NDE, of whom 41 (12%, or 66% of those who had an NDE) described a core experience.
According to Martens[81] the only satisfying method to address the NDE-issue would be an international multi-centric data collection within the framework for standardized reporting of cardiac arrest events. The use of cardiac-arrest criteria as a basis for NDE research has been a common approach among the European branch of the research field.[82][83]
Neurobiological and psychological analysis[edit]
Psychologist Chris French has summarized psychological and organic theories that provide a physical explanation for NDEs. One psychological theory proposes that the NDE is a dissociative defense mechanism that occurs in times of extreme danger. A wide range of organic theories of the NDE has been put forward including those based upon cerebral hypoxia, anoxia, and hypercarbia; endorphins and other neurotransmitters; and abnormal activity in the temporal lobes.[84]
In the 1970s professor of psychiatry Russell Noyes and clinical psychologist Roy Kletti suggested the NDE is a form of depersonalization experienced under emotional conditions such as life-threatening danger and that the NDE can best be understood as a fantasy based hallucination.[85][86][87][88]
In the early 1980s the neuropsychologist Daniel Carr proposed the NDE has characteristics suggestive of a limbic lobe syndrome and the NDE can be explained by the release of endorphins and enkephalins in the brain.[89][90] Judson and Wiltshaw (1983) noted how the release of endorphins can lead to blissful or emotional NDEs, whilst naloxone can produce "hellish" NDEs.[91] The first formal neurobiological model for NDE was presented in 1987 by Chilean scientists Juan Sebastián Gómez-Jeria (who holds a PhD in Molecular Physical Chemistry) and Juan Carlos Saavedra-Aguilar (M.D.) from the University of Chile. Their model included endorphins, neurotransmitters of the limbic system, the temporal lobe and other parts of the brain.[92] Extensions and variations of their model came from other scientists such as Louis Appleby (1989) and Karl Jansen (1990).[93][94]
Morse et al. 1989 proposed a neurophysiological model in which serotonin has an important role to play in generating NDEs.[95]
The research of Karl Jansen has revealed how the effects of an NDE can be induced by ketamine. In 1996 he published a paper on the subject which concluded "mounting evidence suggests that the reproduction/induction of NDE's by ketamine is not simply an interesting coincidence... ketamine administered by intravenous injection, in appropriate dosage, is capable of reproducing all of the features of the NDE which have been commonly described in the most cited works in this field."[96]
Whinnery (1997) revealed the similarities between NDEs and G-LOC episodes.[97] Based on the observations of G-LOC, Whinnery noted how the experiences often involved "tunnel vision and bright lights, floating sensations, automatic movement, autoscopy, OBEs, not wanting to be disturbed, paralysis, vivid dreamlets of beautiful places, pleasurable sensations, psychological alterations of euphoria and dissociation, inclusion of friends and family, inclusion of prior memories and thoughts, the experience being very memorable (when it can be remembered), confabulation, and a strong urge to understand the experience."[97]
In the 1990s, Rick Strassman conducted research on the psychedelic drug dimethyltryptamine (DMT) at the University of New Mexico. Strassman advanced the hypothesis that a massive release of DMT from the pineal gland prior to death or near-death was the cause of the near-death experience phenomenon. Only two of his test subjects reported NDE-like aural or visual hallucinations, although many reported feeling as though they had entered a state similar to the classical NDE. His explanation for this was the possible lack of panic involved in the clinical setting and possible dosage differences between those administered and those encountered in actual NDE cases. All subjects in the study were also very experienced users of DMT or other psychedelic/entheogenic agents.[98][99][100]
According to Engmann (2008) near-death experiences of people who are clinically dead are psychopathological symptoms caused by a severe malfunction of the brain resulting from the cessation of cerebral blood circulation.[101] An important question is whether it is possible to "translate" the bloomy experiences of the reanimated survivors into psychopathologically basic phenomena, e.g. acoasms, central narrowing of the visual field, autoscopia, visual hallucinations, activation of limbic and memory structures according to Moody's stages. The symptoms suppose a primary affliction of the occipital and temporal cortices under clinical death. This basis could be congruent with the thesis of pathoclisis—the inclination of special parts of the brain to be the first to be damaged in case of disease, lack of oxygen, or malnutrition—established eighty years ago by Cécile and Oskar Vogt.[102]
Research has shown that hypercarbia can induce NDE symptoms such as lights, visions and mystical experiences.[103] Professor of neurology Terence Hines (2003) claimed that near-death experiences are hallucinations caused by cerebral anoxia, drugs, or brain damage.[104] A 2006 study by Lempert et al. induced syncopes in 42 healthy subjects using cardiovascular manipulations. They found that the subjects reported NDE experiences such as seeing lights, tunnels, meeting deceased family members and visiting other worlds.[105]
Neuroscientists Olaf Blanke and Sebastian Dieguez (2009) have written that NDE experiences can best be explained by different brain functions and mechanisms without recourse to the paranormal. They suggest that the damage to the bilateral occipital cortex and the optic radiation may lead to visual features of NDEs such as seeing a tunnel or lights and interference with the hippocampus may lead to emotional experiences, memory flashbacks or a life review. They concluded that future neuroscientific studies are likely to reveal the neuroanatomical basis of the NDE which will lead to demystification of the subject.[106]
Vanhaudenhuyse et al. 2009 reported that a main component of the NDE is the out-of-body experience and recent studies "employing deep brain stimulation and neuroimaging have demonstrated that out-of-body experiences result from a deficient multisensory integration at the temporo-parietal junction. Ongoing studies aim to further identify the functional neuroanatomy of near-death experiences by means of standardized EEG recordings."[107]
Lakhmir Chawla, an Associate Professor of Anesthesiology and Critical Care Medicine and Medicine at George Washington University medical centre argued that near-death experiences are caused by a surge of electrical activity as the brain runs out of oxygen before death.[108] Levels were similar to those seen in fully conscious people, even though blood pressure was so low as to be undetectable, and could generate vivid images and feelings. The gradual loss of brain activity had occurred in the approximate hour before death, and was interrupted by a brief spurt of action, lasting from 30 seconds to three minutes. Chawla and colleagues from a case series of seven patients wrote "increase in electrical activity occurred when there was no discernable blood pressure, patients who suffer "near death" experiences may be recalling the aggregate memory of the synaptic activity associated with this terminal but potentially reversible hypoxemia."[108]
Research released in 2010 by University of Maribor, Slovenia had put near-death experiences down to high levels of carbon dioxide in the blood altering the chemical balance of the brain and tricking it into 'seeing' things.[109] Of the 52 patients, 11 reported NDEs.[110][111]
NDE subjects have increased activity in the left temporal lobe.[2] Stimulation of the temporal lobe is known to induce hallucinations, out-of-body experiences and memory flashbacks.[112] In an experiment with one patient, electrical stimulation at the left temporoparietal junction lead to an illusion of another person close to her.[113][114] Chris French has written "the temporal lobe is almost certain to be involved in NDEs, given that both damage to and direct cortical stimulation of this area are known to produce a number of experiences corresponding to those of the NDE, including OBEs, hallucinations, and memory flashbacks."[84]
In 2011, Alexander Wutzler and his colleagues at the Charité University of Medicine in Berlin, Germany suggested that near-death experiences may be triggered by an increase of serotonin in the brain.[115][116] Charles Q. Choi in an article for the Scientific American concluded "scientific evidence suggests that all features of the near-death experience have some basis in normal brain function gone awry."[117]
A 2012 study led by neuroradiologist Renemane reached the conclusion that the NDE is considered as a state of unconsciousness resembling oneiroid syndrome.[118]
In a 2013 study, Marie Thonnard and colleagues suggested that the memories of NDEs are flashbulb memories of hallucinations, "NDEs cannot be considered as imagined events. We rather propose that the physiological origins of NDEs lead them to be really perceived although not lived in reality (i.e., being hallucination- or dream-like events), having as rich characteristics as memories of real events."[119] The findings were in accordance with a 2014 study published in Frontiers in Human Neuroscience.[120]
REM state[edit]
It is suggested that the extreme stress caused by a life-threatening situation triggers brain states similar to REM sleep and that part of the near death experience is a state similar to dreaming while awake.[121] People who have experienced times when their brains behaved as if they were dreaming while awake are more likely to develop the near death experience.[122]
Lucid dreaming[edit]
Some sleep researchers, such as Timothy J. Green, Lynne Levitan and Stephen LaBerge, have noted that NDE experiences are similar to many reports of lucid dreaming, in which the individual realizes he is in a dream. Often these states are so realistic as to be barely distinguishable from reality.
In a study of fourteen lucid dreamers performed in 1991, people who perform wake-initiated lucid dreams (WILD) reported experiences consistent with aspects of out-of-body experiences such as floating above their beds and the feeling of leaving their bodies.[123] Due to the phenomenological overlap between lucid dreams, near-death experiences, and out-of-body experiences, researchers say they believe a protocol could be developed to induce a lucid dream similar to a near-death experience in the laboratory.[124]
Computational psychology[edit]
Modeling of NDEs by S. L. Thaler in 1993 [125] using artificial neural networks has shown that many aspects of the core near-death experience can be achieved through simulated neuron death.[126][127][128][129] In the course of such simulations, the essential features of the NDE—life review, novel scenarios (i.e., heaven or hell), and OBE—are observed through the generation of confabulations or false memories, as discussed in Confabulation (neural networks). The key feature contributing to the generation of such confabulatory states are a neural network's inability to differentiate dead from silent neurons.[130] Memories, whether related to direct experience, or not, can be seeded upon arrays of such inactive brain cells.
NDEs are also associated with changes in personality and outlook on life.[15] Kenneth Ring (professor of psychology) has identified a consistent set of value and belief changes associated with people who have had a near-death experience. Among these changes one finds a greater appreciation for life, higher self-esteem, greater compassion for others, a heightened sense of purpose and self-understanding, desire to learn, elevated spirituality, greater ecological sensitivity and planetary concern, and a feeling of being more intuitive. Changes may also include increased physical sensitivity; diminished tolerance of light, alcohol, and drugs; a feeling that the brain has been "altered" to encompass more; and a feeling that one is now using the "whole brain" rather than a small part.[15] However, not all after-effects are beneficial[131] and Greyson[132] describes circumstances where changes in attitudes and behavior can lead to psychosocial and psychospiritual problems.[133] Often the problems are those of the adjustment to ordinary life in the wake of the NDE.
Cross-cultural research[edit]
Recent research into afterlife conceptions across cultures by religious studies scholar Gregory Shushan [134] analyzes the afterlife beliefs of five ancient civilizations (Old and Middle Kingdom Egypt, Sumerian and Old Babylonian Mesopotamia, Vedic India, pre-Buddhist China, and pre-Columbian Mesoamerica) in light of historical and contemporary reports of near-death experiences, and shamanic afterlife "journeys". It was found that despite numerous culture-specific differences, the nine most frequently recurring NDE elements also recur on a general structural level cross-culturally, which tends to suggest that the authors of these ancient religious texts were familiar with NDE or similar. Cross-cultural similarity, however, can be used to support both religious and physiological theories, for both rely on demonstrating that the phenomenon is universal.
Studies that have investigated cultural differences in NDEs summarized by (Augustine, 2003) have argued that the content of the experiences do not vary by culture, except for the identity of the figures seen during the experiences. For example, a Christian may see Jesus, while a Hindu may see Yamaraja, the Hindu king of death.[135]
Van Lommel studies[edit]
In 2001, Pim van Lommel, a cardiologist from the Netherlands, and his team conducted a study of near-death experiences (NDEs) in cardiac arrest patients.[82] Of 344 patients who were successfully resuscitated after suffering cardiac arrest, 62 (18%) expressed an intraoperative memory and among these, 41 (12%) experienced core NDEs, which included out-of-body experiences. According to van Lommel, the patients remembered details of their conditions during their cardiac arrest despite being clinically dead with flatlined brain stem activity. Van Lommel concluded that his findings supported the theory that consciousness continued despite lack of neuronal activity in the brain. Van Lommel conjectured that continuity of consciousness after death may be achievable if the brain acted as a receiver for the information generated by memories and consciousness, which existed independently of the brain, just as radio, television and internet information existed independently of the instruments that received it.[82]
Van Lommel has claimed there are cases of the NDE occurring whilst the brain is no longer functioning with flat EEG.[84] However, Paolin et al. (1995) and Bardy (2002) have noted that electroencephalography is not a reliable indicator of brain death, as it can only detect activity in one half of the cerebral cortex. Activity in the deeper structures of the cerebral cortex cannot be observed.[136][137]
In his book Consciousness Beyond Life: The Science of the Near-Death Experience (2010) van Lommel argued that consciousness continues to function after the death of the brain and is possibly eternal. Van Lommel also supported alleged psychic abilities of NDErs.[10] Dutch physician and anesthesiologist G. M. Woerlee wrote a chapter by chapter examination of van Lommel's Consciousness Beyond Life. According to Woerlee the book is full of "tendentious and suggestive pseudoscientific nonsense", and the picture of the functioning of the body as proposed by van Lommel is not consistent with medical knowledge. Woerlee concluded the book is a "masterly example of how tendentious and suggestive interpretation of international scientific literature, vague presentation of basic medical facts, together with ignorance of some basic statistical principles leads to incorrect conclusions."[138]
AWARE study[edit]
In 2001, Sam Parnia and colleagues investigated out of body claims by placing figures on suspended boards facing the ceiling, not visible from the floor. Parnia wrote "anybody who claimed to have left their body and be near the ceiling during resuscitation attempts would be expected to identify those targets. If, however, such perceptions are psychological, then one would obviously not expect the targets to be identified."[139] The philosopher Keith Augustine, who examined Parnia's study, has written that all target identification experiments have produced negative results.[135] Psychologist Chris French wrote regarding the study "unfortunately, and somewhat atypically, none of the survivors in this sample experienced an OBE."[84]
In the autumn of 2008, 25 UK and US hospitals began participation in a study, coordinated by Sam Parnia and Southampton University known as the AWARE study (AWAreness during REsuscitation). Following on from the work of Pim van Lommel in the Netherlands, the study aims to examine near-death experiences in 1,500 cardiac arrest survivors and so determine whether people without a heartbeat or brain activity can have documentable out-of-body experiences.[140] As part of the study Parnia and colleagues have investigated out of body claims by using hidden targets placed on shelves that could only be seen from above.[140] Parnia has written "if no one sees the pictures, it shows these experiences are illusions or false memories".[140]
In 2014 Parnia issued a statement indicating that the first phase of the project has been completed and the results are undergoing peer review for publication in a medical journal.[141] No subjects saw the images mounted out of sight according to Parnia's early report of the results of the study at an American Heart Association meeting in November 2013. Only two out of the 152 patients reported any visual experiences, and one of them described events that could be verified.[142]
On October 6, 2014 the results of the study were published in the journal Resuscitation.[143] Among those who reported a perception of awareness and completed further interviews, 46 per cent experienced a broad range of mental recollections in relation to death that were not compatible with the commonly used term of NDEs. These included fearful and persecutory experiences. Only 9 per cent had experiences compatible with NDEs and 2 per cent exhibited full awareness compatible with OBEs with explicit recall of 'seeing' and 'hearing' events. One case was validated and timed using auditory stimuli during cardiac arrest. Dr Parnia concluded: "This is significant, since it has often been assumed that experiences in relation to death are likely hallucinations or illusions [...] In this case, consciousness and awareness appeared to occur during a three-minute period when there was no heartbeat. This is paradoxical, since the brain typically ceases functioning within 20-30 seconds of the heart stopping and doesn't resume again until the heart has been restarted. Furthermore, the detailed recollections of visual awareness in this case were consistent with verified events [...] Clearly, the recalled experience surrounding death now merits further genuine investigation without prejudice."[144]
Afterlife claims[edit]
Many individuals who experience an NDE see it as a verification of the existence of life after death, and some parapsychologists and researchers in the field of near-death studies see the NDE as evidence that human consciousness may continue to exist after physical death. The survivalist interpretation of the NDE contends that the experience is evidence for an immaterial mind or soul separating from the physical body and visiting an afterlife or spiritual realm.[9][10]
Near-death researchers such as Christian Agrillo, Bruce Greyson, Pim van Lommel and Sam Parnia argue that neurological factors or physical causes such as brain damage, cerebral anoxia or hypercarbia are far from explaining the full nature of NDEs. They claim the NDE is not the result of a brain function gone awry and that the survivalist interpretation of the NDE should be left open.[145][146][147][148][149][150]
According to Chris French the survivalist interpretation would be supported if "it could be shown that information gained during the OBE component of an NDE was veridical and could not have been obtained in any conventional way... to date no such evidence has been forthcoming."[84] Susan Blackmore has written that the alleged cases involving paranormal acquisition of information during an NDE are based on anecdotal evidence and do not stand up under scrutiny. Blackmore describes a number of different ways information could be acquired by the subject without resorting to any paranormal explanation "information available at the time, prior knowledge, fantasy or dreams, lucky guesses, and information from the remaining senses. Then there is selective memory for correct details, incorporation of details learned between the end of the NDE and giving an account of it, and the tendency to "tell a good story."[151]
The psychologist James Alcock has described the afterlife claims of NDE researchers as pseudoscientific. Alcock has written the survival interpretation "is based on belief in search of data rather than observation in search of explanation."[152] Skeptic Paul Kurtz after evaluating NDE cases concluded "there is insufficient evidence for the claim that there is some form of human existence beyond death... belief in it requires a leap of faith beyond the presently available scientific evidence."[153]
In opposition to the survivalist interpretation, Professor of neurology Terence Hines has written there is no scientific evidence for any patient visiting the afterlife during an NDE. Hines has noted that during unconsciousness the brain can still register sensory impressions. He gives the example of a study performed by Millar and Watkinson (1983) in which the memories of a group of anesthetized patients were tested by a tape-recorded list of words. After recovery the patients recognized the words which had been presented to them significantly above chance. Hines concluded that even under anesthetic "the brain does retain some capacity to store new information...this is very likely the source of the snippets of conversation that sometimes turn up in deathbed visions."[154]
Some of the experiences reported by NDE subjects have also been reported by other patients whose experiences had known triggers (mostly chemicals of a psychedelic nature.) There is a similarity of afterlife visions during the NDE to drug-induced hallucinations. The chemical processes that happen in a brain under oxygen deprivation are known to share some characteristics with the effects of psychoactive substances.[155][156][157][158] Terence Hines has written "certainly there will always be cases in which, because of incomplete medical information, it is not possible to show that a particular patient was anoxic or intoxicated. However, the fact that anoxia and drug intoxication are known to produce hallucinations just like the report given by the patient would suggest the rational conclusion that the patient was anoxic or drugged, not that the patient had visited the threshold of the afterlife."[159]
Jason Braithwaite, a Senior Lecturer in Cognitive Neuroscience in the Behavioral Brain Sciences Centre, University of Birmingham, issued an in-depth analysis and critique of the survivalist's neuroscience of some NDE researchers, especially for van Lommel's prospective study published in the medical journal The Lancet, concluding, "it is difficult to see what one could learn from the paranormal survivalist position which sets out assuming the truth of that which it seeks to establish, makes additional and unnecessary assumptions, misrepresents the current state of knowledge from mainstream science, and appears less than comprehensive in its analysis of the available facts."[73]
Skeptics argue against the deduction that a patient's brain in clinical death is completely inactive and that the memory of the NDE experience latter reported by the experiencer was formed during that time.[160] Most brain activity tests are not typically performed when a patient is undergoing attempts at emergency resuscitation because this takes far too much time, and patients need to be resuscitated as soon as possible. It is possible, for example, that a patient showing no activity on an EEG scan could still have brain activity that would appear on an FMRI, PET, or catSCAN. This is because, unless surgically implanted into the brain directly, the EEG principally measures surface cortical activity.)[73]
In a 2012 best-selling book, Proof of Heaven: A Neurosurgeon's Journey into the Afterlife,[161] neurosurgeon Eben Alexander relates and discusses his memories of experiences during a coma. While in this state, Alexander experienced something that made him believe in consciousness after death, and in the possibility of gaining prescience during a near-death experience. Other neuroscientists, such as Sam Harris, Oliver Sacks and Steven Novella have pointed out that it is not entirely clear that Alexander had the experience during coma. They argue that the experience could have occurred when he was returning from the coma, while his neocortex was coming back "online" and returning to full function. Further criticisms include contesting the claim that the coma led to complete neural inactivity.[162][163][164]
Personal experiences[edit]
- Return from Tomorrow by George G. Ritchie with Elizabeth Sherrill (1978). At the age of 20, George Ritchie died in an army hospital. Nine minutes later he returned to life. Ritchie's story was the first contact Raymond Moody (who was studying at the University of Virginia, as an undergraduate in Philosophy, at the time) had with NDEs. It inspired Moody to investigate over 150 cases of near-death experiences, in his book Life After Life, and two other books that followed.
- Embraced by the Light by Betty Eadie (1992). One of the most detailed near-death experiences on record.
- Saved by the Light by Dannion Brinkley. Brinkley's experience documents one of the most complete near death experiences, in terms of core experience and additional phenomena from the NDE scale. Brinkley claims to have been clinically dead for 28 minutes and taken to a hospital morgue, but some of his claims are disputed.
- Placebo by Howard Pittman (1980). A detailed record of Pittman's near-death experience.
- The Darkness of God by John Wren-Lewis (1985). Bulletin of the Australian Institute for Psychical Research No 5. An account of the effects of his NDE after going through the death process several times in one night.
- Two have associated their experiences with their decision to join the Bahá'í Faith: Reinee Pasarow and Ricky Bradshaw, whose story has been reviewed in several books.[165][166][167]
- Dying To Be Me: My Journey from Cancer, to Near Death, to True Healing by Anita Moorjani, an ethnic Indian woman from Hong Kong, experienced a NDE which has been documented on the Near Death Experience Research Foundation (NDERF) website as one of the most exceptional accounts on their archives. She had end-stage cancer and on February 2, 2006, doctors told her family that she only had a few hours to live. Following her NDE, Anita experienced a remarkable recovery of her health.[168]
- Goldie Hawn, while giving a speech at the Buell Theater in Denver, Colorado, reflected upon her near-death experience. When she was younger, and starting out as an actress, she and a group of friends were in a severe car crash together. While she was unconscious, she remembers looking over herself while the paramedics were trying to revive her. She also mentioned seeing a bright light and being told it was not her time soon before she awoke.
- Kiki Carter, a.k.a. Kimberli Wilson, an environmental activist and singer/songwriter, reported a near-death experience in 1983. The day after the experience, her mother, Priscilla Greenwood, encouraged her to write it down. Priscilla Greenwood published the story in September 1983 in a local metaphysical journal. For 24 hours after the experience, Kimberli had an aftervision which was a catalyst for her interest in quantum physics and holograms.[169]
- 90 Minutes in Heaven by Don Piper, is Piper's account of his own near-death experience. EMTs on the scene determined Piper had been killed instantly after a tractor-trailer had swerved into his lane, crushing his car. Piper survived, however. In the book, he wrote about seeing deceased loved ones and friends as well as magnificent light; he felt a sense of pure peace. Piper had a very difficult and painful recovery, undergoing 34 surgeries.[170]
- Heaven Is for Real by Todd Burpo, is a father's account of his son, Colton, and Colton's trip to heaven and back. After discovering that then-four-year-old Colton's appendix has ruptured, he was rushed to the hospital. While unconscious, Colton describes having met Jesus, God, his great-grandfather whom he had never met, and his older sister lost in a miscarriage.[171]
- Parallel Universes, a Memoir from the Edges of Space and Time by Linda Morabito Meyer is a NASA scientist's account of several near death experiences at the hands of her parents and William Franklin Mosley of the Temple of the More Abundant Life in Vancouver, British Columbia, Canada. She explained that during these experiences, she visited Heaven, saw Jesus, and was in the presence of God.[172]
- Eben Alexander, M.D., born December, 1953, author of Proof of Heaven: A Neurosurgeon's Journey into the Afterlife, which made The New York Times Best Seller list for nonfiction.[173] In the book, Alexander describes how he had an intense NDE while in a seven-day coma brought on by an attack of meningitis.
- The Friend From Mexico, a True Story of Surviving an Intensive Care Unit (2012) by Apostolos Mavrothalassitis is the author's near-death experience account. Following a mid-air collision while participating in the 2009 Paragliding World Championships, he suffered extensive blood loss during surgery and was put under induced coma for two weeks. During these two weeks he lived a different life, and was not aware of his predicament. The experiences during this period are described in the book.[174]
- Howard Storm. In 1985, Storm travelled to Europe with his wife and university students. After suffering from severe stomach pain, he ended up in a hospital in Paris, where he had a near-death experience.
- Curtis "Earthquake" Kelley experienced a near death experience after a drug overdose.[175]
- Josh Homme of Queens of the Stone Age elaborated on his near-death experience in an interview with Marc Maron in October 2013. He told Maron that he contracted a methicillin-resistant Staphylococcus aureus (MRSA) infection in 2010, which his immune system could not fight due to stress. Due to unexpected complications during knee surgery, the doctors could not oxygenate his blood, and Josh suffered a near-death experience due to asphyxiation. Doctors eventually had to use a defibrillator to revive him. Following this, he was confined to bed rest for three months. The experience left him weakened and unable to produce music for almost two years.[176]
See also[edit]
- Beyond and Back
- Deathbed phenomena
- Form constant
- Lazarus phenomenon
- Near-death studies
- Neurotheology
- Resurrection
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- ^ a b c Moody, Raymond. (1975). Life After Life: The Investigation of a Phenomenon - Survival of Bodily Death. New York: Bantam.
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- ^ a b Hövelmann, Gerd. (1985). Evidence for Survival from Near-Death Experiences? A Critical Appraisal. In Paul Kurtz. A Skeptic's Handbook of Parapsychology. Prometheus Books. pp. 645-684. ISBN 0-87975-300-5
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- ^
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- ^ Jansen, K. L. R. (1996). Using ketamine to induce the near-death experience: mechanism of action and therapeutic potential. In Christian Rätsch, John Baker. Yearbook for Ethnomedicine and the Study of Consciousness (Jahrbuch furr Ethnomedizin und Bewubtseinsforschung). Wissenschaft und Bildung. Issue 4. pp. 55-81.
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- ^ Rick Strassman, DMT: The Spirit Molecule: A Doctor's Revolutionary Research into the Biology of Near-Death and Mystical Experiences, 320 pages, Park Street Press, 2001, ISBN 0-89281-927-8
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- ^ "Characteristics of Near-Death Experiences Memories as Compared to Real and Imagined Events Memories". PLOS ONE. 2013. Retrieved 14 April 2013.
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- ^ Lynne Levitan; Stephen LaBerge (1991). "Other Worlds: Out-of-Body Experiences and Lucid Dreams". Nightlight (The Lucidity Institute) 3 (2-3).
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- ^ Thaler, S. L. (1993) 4-2-4 Encoder Death, WCNN'93, Portland: World Congress on Neural Networks, July 11–15. Volume 1.
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- ^ The diagnostic label of "Religious or spiritual problem" is included in DSM-IV under the category of "Other conditions that may be a focus of clinical attention". See American Psychiatric Association (1994) Diagnostic and Statistical Manual of Mental Disorders, fourth edition. Washington, D.C.: American Psychiatric Association (Code V62.89, Religious or Spiritual Problem).
- ^ Shushan, Gregory. (2009). Conceptions of the Afterlife in Early Civilizations: Universalism, Constructivism and Near-Death Experience. New York & London, Continuum. ISBN 978-0-8264-4073-0
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- ^ a b c Jane Dreaper. (2008). "Study into near-death experiences". BBC News. Retrieved 2014-06-03.
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- ^ Parnia et al. (2014). "AWARE—AWAreness during REsuscitation—A prospective study". Resuscitation.
- ^ "Near-death experiences? Results of the world's largest medical study of the human mind and consciousness at time of death". Science Daily.
- ^ van Lommel, P. (2004). About the continuity of our consciousness. Adv. Exp. Med. Biol 550: 115–132
- ^ van Lommel, P. (2011). Near-death experiences: the experience of the self as real and not as an illusion. Ann. N.Y. Acad. Sci. 1234: 19–28.
- ^ Greyson, B. (2010). Implications of near-death experiences for a postmaterialist psychology. Psych. Relig. Spirit 2: 37–45.
- ^ Agrillo, C. (2011). Near-death experience: out-of-body and out-of-brain? Rev. Gen. Psychol 15: 1–10.
- ^ Facco, Enrico & Agrillo, Christian. (2012). Near-death experiences between science and prejudice. Frontiers in Human Neuroscience 6: 209.
- ^ Parnia, S., and Fenwick, P. (2002). Near death experiences in cardiac arrest: visions of a dying brain or visions of a new science of consciousness. Resuscitation 52: 5–11.
- ^ Blackmore, Susan. (1996). Out-of-body experiences. In Gordon Stein. The Encyclopedia of the Paranormal. Prometheus Books. pp. 471–483. ISBN 1-57392-021-5
- ^ Alcock, James. (1981). Psychology and Near-Death Experiences. In Kendrick Frazier. Paranormal Borderlands of Science. Prometheus Books. pp. 153-169. ISBN 0-87975-148-7
- ^ Kurtz, Paul. (1994). Toward a New Enlightenment: The Philosophy of Paul Kurtz. Transaction Publishers. p. 351. ISBN 1-56000-118-6
- ^ Hines, Terence. (2003). Pseudoscience and the Paranormal. Prometheus Books. p. 103. ISBN 1-57392-979-4
- Millar, K; Watkinson, N. (1983). Recognition of Words Presented during General Anaesthesia. Ergonomics 36: 585-594.
- ^ Siegel, Ronald; Jarvik, Murray Elias. (1975). Drug–Induced Hallucinations in Animals and Man. In Ronald Siegel, Louis Jolyon West. Hallucinations: Behavior, Experience and Theory. Wiley. pp. 81-161.
- ^ Siegel, Ronald. (1980). The Psychology of Life after Death. American Psychologist 35: 911-931.
- ^ Bressloff, P. C; Cowan, J. D; Golubitsky, M; Thomas, P J; Wiener, M. (2002). What geometric visual hallucinations tell us about the visual cortex. Neural Computation 14: 473-491.
- ^ Hines, Terence. (2003). Pseudoscience and the Paranormal. Prometheus Books. p. 102. ISBN 1-57392-979-4. "Near-death visions are actually hallucinations. Siegel (1980) has described the high degree of similarity between near-death visions and other types of hallucinations (such as drug-induced hallucinations) in both form and content. Thus, hallucinations caused by drugs frequently contain images of long tunnels, blinding light, otherworldly beings, friends and relatives (alive and dead), and so forth."
- ^ Hines, Terence. (2003). Pseudoscience and the Paranormal. Prometheus Books. p. 103. ISBN 1-57392-979-4
- ^ Dean Mobbs, Caroline Watt. (2011). There is Nothing Paranormal about Near-Death Experiences: How Neuroscience Can Explain Seeing Bright Lights, Meeting the Dead, or Being Convinced You Are One of Them. Trends in Cognitive Sciences. Volume 15, Issue 10. pp. 447-449.
- ^ Best-Selling Books: What America's Reading, USA Today. Retrieved November 18, 2012
- ^ Harris, Sam (12 October 2012). "This Must Be Heaven". Retrieved 28 July 2013.
- ^ Sacks, Oliver (12 December 2012). "Seeing God in the Third Millennium". Retrieved 28 July 2013.
- ^ Novella, Steven. (2012). "Proof of Heaven?". Retrieved 28 July 2013.
- ^ Atwater, PMH (2001). Coming Back to Life; The After-Effects of the Near-Death Experience (2001 Revised and Updated ed.). Kensington Pub Corp. pp. 111–112. ISBN 978-0-8065-2303-3.
- ^ Atwater, PMH (2007). The Big Book of Near-Death Experiences; The Ultimate Guide to What Happens When We Die (2nd, illustrated ed.). Hampton Roads Publishing. pp. 59–60. ISBN 978-1-57174-547-7.
- ^ Barnes, Linda L.; Sered, Susan Starr (2005). Religion and Healing in America (illustrated ed.). Oxford University Press. pp. 399–400. ISBN 978-0-19-516796-2.
- ^ "Anita M's NDE" NDERF
- ^ Kimberli Wilson
- ^ 90 Minutes in Heaven by Don Piper
- ^ Heaven is For Real by Todd Burpo
- ^ "Parallel Universes, a Memoir from the Edges of Space and Time" by Linda A. Morabito
- ^ "Best Sellers". Combined Print & E-Book Nonfiction. The New York Times. April 25, 2012. Retrieved November 21, 2012.
- ^ Mavrothalassitis, Apostolos (2012). The Friend From Mexico: A True Story of Surviving an Intensive Care Unit. Translated by David J. Horn. ASIN B00A7VSCJ8. ISBN 978-1-48103-491-3.
- ^ http://www.cbn.com/700club/guests/bios/Earthquake_Kelley02231.aspx
- ^ http://www.wtfpod.com/podcast/episodes/episode_431_-_josh_homme
Further reading[edit]
- James Alcock. (1979). Psychology and Near-Death Experiences. Skeptical Inquirer 3: 25-41.
- Lee Worth Bailey; Jenny Yates. (1996). The Near-Death Experience: A Reader. Routledge. ISBN 0-415-91431-0
- Susan Blackmore. (1993). Dying to Live: Near-Death Experiences. Prometheus Books. ISBN 0-87975-870-8
- Jimo Borjigina et al. (2013). "Surge of Neurophysiological Coherence and Connectivity in the Dying Brain". Proceedings of the National Academy of Sciences. Volume 110, Issue 35. pp. 14432–14437.
- Chris French. (2005). Near-Death Experiences in Cardiac Arrest Survivors. Progress in Brain Research 150: 351-367.
- Chris French. (2009). Near-Death Experiences and the Brain. In Craig Murray. Psychological Scientific Perspectives on Out-of-Body and Near-Death Experiences. Nova Science Publishers. pp. 187–203. ISBN 978-1-60741-705-7
- Bruce Greyson, Charles Flynn. (1984). The Near-Death Experience: Problems, Prospects, Perspectives. Springfield. ISBN 0-398-05008-2
- Janice Miner Holden, Bruce Greyson, Debbie James, eds. (2009). The Handbook of Near-Death Experiences: Thirty Years of Investigation. Praeger. ISBN 978-0-313-35865-4
- Gerd Hövelmann. (1985). Evidence for Survival from Near-Death Experiences? A Critical Appraisal. In Paul Kurtz. A Skeptic's Handbook of Parapsychology. Prometheus Books. pp. 645–684. ISBN 0-87975-300-5
- Dean Mobbs, Caroline Watt. (2011). There is Nothing Paranormal About Near-Death Experiences: How Neuroscience Can Explain Seeing Bright Lights, Meeting the Dead, or Being Convinced You Are One of Them. Trends in Cognitive Sciences. Volume 15, Issue 10. pp. 447–449.
- Mahendra Perera. (2011). Making Sense of Near-Death Experiences: A Handbook of Clinicians. Jessica Kingsley Pub. ISBN 978-1-84905-149-1
- Glenn Roberts, John Owen. (1988). The Near-Death Experience. British Journal of Psychiatry 153: 607-617.
- Gerald Woerlee. (2005). Mortal Minds: The Biology of Near Death Experiences. Prometheus Books. ISBN 1-59102-283-5
- Pim van Lommel. (2010). Consciousness Beyond Life: The Science of the Near-Death Experience. HarperOne. ISBN 978-0-06-177725-7
- Carol Zaleski. (1988). Otherworld Journeys: Accounts of Near-Death Experience in Medieval and Modern Times. Oxford University Press. ISBN 0-19-503915-7
External links[edit]
|Wikimedia Commons has media related to Near-death experiences.
- "Agmatine and Near-Death Experiences".
- "International Association for Near-Death Studies (IANDS)".
- "Near Death Experiences: The Dying Brain".
- "Peace of Mind: Near-Death Experiences Now Found to Have Scientific Explanations". Scientific American.
- "Why a Near-Death Experience Isn't Proof of Heaven". Scientific American.
- "Near-Death Experiences". Susan Blackmore.
- "Hallucinatory Near-Death Experiences". Internet Infidels.
- "Near-Death Experience" (NDE). Skeptic's Dictionary.
- "Darkness, Tunnels, and Light". Skeptical Inquirer.


text:
Newport House Rental Photos and Description
House, 4 Bedrooms, 2 Baths, (Sleeps 10)
This beautiful modern four bedroom home sits on a large lot with great views of the Yaquina Head Lighthouse and the ocean beyond!
The main living area is on the second floor and provides large open gathering area with a wood fireplace and a pleasant sitting area. The dining areas feature a table for four and a table for three. There are also two barstools at the kitchen island. The kitchen is the perfect place to test out your skills as a chef as it is fully stocked with everything you need for a great family meal! The adjacent living area features a 42" flat panel TV with basic cable, a BluRay/DVD player and great ocean views! Both the kitchen and living room open to a large deck on the south side of the house that is sheltered for the wind so it is a great place for a picnic or BBQ! There is a half bathroom on the main living floor as well so it is very convenient for entertaining.
The upper level of the home features three of the four bedrooms with the master suite featuring a king bed and a private balcony with ocean views! The second bedroom features a queen bed and the third offers a queen size bed. The second full bathroom is upstairs as well. There is a fourth bedroom with a queen bed on the first level of the home.
The house is located in the beautiful Beverly Beach area, which offers miles of pristine sandy beaches teeming with plenty of exploration options including shelling, searching for agates, and building sand castles! Beverly Beach is nice and quiet as it is just north of Newport but it is also convenient to all of the great entertainment options that Newport offers. You can check out the famous Newport Aquarium, Ripley's Believe it or Not, the Rogue Brewery and many other options like the Newport Performing Arts Center.
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Note, game activates via Origin client
- Battlefield 3 Base Game
- Battlefield Premium Service
- Multiplayer Head Start Kit
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Amazon has Battlefield 3: Premium Edition (PC Digital Download) for $20. Thanks behnki
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Posted on 07/09/13 12:00am by behnki (21) promoted by yuugotserved (112269)
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19.99 for Battlefield 3 Premium Edition. This is the Limited Edition Game plus all of the Premium Extras.
This is generally 39.99 on Amazon and Origin. Amazon gives you two separate keys so you just activate the keys in Origin and download the games from there.
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Premium Service (for those that already own the base game) is on sale for $15 as part of the same sale. link [amazon.com]
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57 Comments
chazzychazx ( 10 ) Jul. 8, 2013 at 7:03pm
can this be consider as a GOTY edition ?
I'm kinda confuse with all the "premium edition" they have ~
yuugotserved ( 112,269 ) Jul. 8, 2013 at 7:04pm
Good price. Thanks oP!
TriCKyHitS ( 229 ) Jul. 8, 2013 at 7:11pm
My local bestbuy was doing a special clearance and managed to snag this for $5 this past weekend. Went back to get more and they were all gone. All the DLC downloading took some damn time, but hey, for $5 bucks I gave it a shot.
etphonehome ( 1,636 ) Jul. 8, 2013 at 8:10pm
Very good deal. Worth it even with BF4 on its way. The premium service will also give you access to the BF4 Beta!
Microshock ( 40 ) Jul. 8, 2013 at 9:21pm
Can anyone sell me the Premium code for 10 bucks?
15.99 HERE:http://www.cdkeyhouse.
Language is in Russian but can be changed to english. following this:
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Bayfield Energy to merge with Trinity Exploration
Oct 15 (Reuters) - Oil and gas company Bayfield Energy Holdings Plc said it would merge with privately owned Trinity Exploration & Production Ltd, in a reverse takeover of the London-listed company.
Bayfield, which has interests in Trinidad and Tobago and South Africa, said each Trinity share would receive about 7,478 new ordinary shares of Bayfield.
The enlarged group would be named Trinity Exploration & Production Plc and would be led by Trinity's Executive Chairman Bruce Dingwall and Chief Executive Joel Pemberton, Bayfield said in a statement.
San Fernando, Trinidad-based Trinity, which has onshore and offshore assets in Trinidad, will own 55 percent of the enlarged company with Bayfield holding the rest, Bayfield said.
Bayfield said the merger would create the largest Trinidad-focused oil and gas producer, with 11 operated fields and net production of about 3,800 barrels per day (bbl/d).
Trinity, which currently operates ten licenses in Trinidad, produces about 2,370 bbl/d.
Trading in Bayfield's shares has been suspended. The stock closed at 20.75 pence on the London Stock Exchange on Friday.
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We stayed at this place for 2 nights with oru 3 teenaged children. The aprtment was nice, comfortable, spacious, really value for money, city like Shanghai. We will recommend it to friends and relatives. more
Scott was of immense help in assisting us with getting settled--he arranged for our airport transportation and was on-call whenever we needed any advice, help, or translation. The apartment was extremely clean and accommodating. The location served us well and it was easy to catch taxis, use the ATM, and feel safe. I would definitely stay here again and highly... more