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Near-Death and Out of Body Experiences
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EnolaGaiaOffline
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PostPosted: 12-10-2012 00:07    Post subject: Reply with quote

eburacum wrote:
... Some experimenters are placing images or messages on top of cupboards in the operating room; have any NDE witnesses succeeded in seeing these yet?


Good point! I recall reading of such 'installed test materials' some years ago, but I don't recall hearing anything about them since ...
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EnolaGaiaOffline
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PostPosted: 12-10-2012 00:22    Post subject: Reply with quote

Found one instance of the 'hidden test signs' ...

Penny Sartori (then a nurse in Wales) conducted a five-year study of NDE experiences in an intensive care unit. Among other things, she put a hidden symbol in the patient's room, situated so that it could only be seen from above.

The most striking NDE case arising during the study provided a number of interesting results, but they did not include a report of the hidden symbol. To the fair, the patient (once recovered / resuscitated) said he hadn't looked back in the direction of where the symbol had been place. The publication focusing on this case is available online at:

http://inicia.es/de/luisfountain/archivos/a-prospectively-studied-nde.pdf

Sartori (who's since earned her PhD for her NDE research) has a website:

http://www.drpennysartori.com
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EnolaGaiaOffline
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PostPosted: 12-10-2012 00:37    Post subject: Reply with quote

Follow-up note ...

It appears that (in the broader context of the study; beyond the single case cited above) Sartori also placed playing cards in positions (e.g., atop cabinets) where they could only be seen from above.

Apparently none of the patients reporting OBE-style NDE's reported having seen the hidden cards.
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eburacumOffline
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PostPosted: 12-10-2012 12:00    Post subject: Reply with quote

drbastard wrote:


Quote:
But when there is no evidence except the word of the beholder, a scientist’s accounts are no more reliable than those of anyone else.


A bit like when you talk publicly about a subject you aren’t actually trained in, your opinions and interpretations are no more reliable than those of anyone else, regardless of your long list of glittering qualifications, or how big your mouth is, or if you are a luvvie at the Telegraph.
Isn't Blakemore a neuroscientist then? Not that it makes much difference; even neuroscientists are quite a long way from understanding consciousness. But I think that consciousness will be understood in the long run - then we'll see some weird stuff- just wait till every damn appliance in your home is hooked up to some sort of conscious gadget.

One reason to doubt Dr Alexander's account is that he believes in it so strongly; this sort of inordinate belief seems to be a symptom of certain types of NDE, and this could be a neurological phenomenon in itself.
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rynner2Offline
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PostPosted: 14-10-2012 09:20    Post subject: Reply with quote

Let’s not be shy about the afterlife
Why are we so wary about investigating the premonitions and spiritual experiences that surround death?
By Jenny McCartney
7:00PM BST 13 Oct 2012

I’ve noticed that the first time small children get a whiff of the concept of death, they can’t stop talking about it. Suddenly they’re like junior barristers, and their questions are notably to the point. Does it hurt? Where do you go? Can you come back?

If you start, hesitantly, to reply – in what must seem a maddeningly vague way, given the whopping impact of your initial news – that after you die you carry on somewhere else (Dawkins, if you’re reading this, back off for a minute) the children are straight into the practicalities. What do you get to eat? Who’s there? Can the people here see you?

I can’t say I blame them, really. Revelations don’t come much bigger than the one saying that on some as yet unknown day each of us is going to depart this world, and no one will see us again in this life. I’ve had over 40 years to get used to it and it still shocks me. And yet, in contrast to the pleasingly direct, investigative approach taken by children towards the matter, most adults spend their time ignoring it and hushing it up.

Our modern Western culture is largely taken up with the prolongation of life and the avoidance of death. That’s a very reasonable notion to some extent, since most of us enjoy life and would like to have as much of it as possible. But a by-product is that the worried dance of denial about our own mortality makes the final stage of life much harder, bleaker and lonelier for dying people and their families.

We treat the deaths of others either as a piece of gross personal negligence or an outlandish case of bad luck. That is perhaps why I found the recent Newsweek essay by Dr Eben Alexander, a Harvard-educated neurosurgeon who does not seem noticeably wacky, to be rather cheering. Dr Alexander contracted a very rare form of bacterial meningitis, which put him in a coma for seven days and effectively shut down his brain. When he recovered he described an experience which had apparently convinced him that an afterlife existed. It was of the lavishly conventional kind, with fluffy clouds, shimmering beings, and a beautiful blue-eyed guide – which has come as a gift to those who are predisposed to mock Dr Alexander as some kind of nut. Presumably they would have respected his account more if his vision had been less baroque.

In any case, we can probably all agree that a professionally well-respected man, who was not normally delusional, somehow had – while at death’s door – an overwhelmingly positive experience which profoundly altered his view of the afterlife. Why that occurred, or what it might signify for anyone else, is of course open to heavy debate.

Yet if one listens to the lectures and discussions of Dr Peter Fenwick, it becomes apparent that Dr Alexander’s is not an isolated experience. Dr Fenwick is a leading neuropsychiatrist who is an authority on near-death experiences, and has written a book called The Art of Dying which advocates the importance of “a good death”. Studies led him to conclude that near-death experiences occurred in a percentage of patients who had undergone cardiac arrest and had no pulse rate, heart rate or brainstem reflexes prior to their resuscitation. He described the discovery “that people have mental states which are present in the absence of brain function” as of “astonishing” importance to science. It has, he says, opened up a discussion on the nature of consciousness and even “the potential for a continuation of life after death”.

I listened late at night to one of Dr Fenwick’s online interviews. He seemed eminently serious: scholarly, articulate and not prone to stating exaggerated conclusions. Dr Fenwick had expended much professional time and thought collecting data from the dying, and examining their experiences and those of their loved ones. He spoke with confidence about certain phenomena which quite commonly occurred around death, such as “premonitions” by an individual or someone close to them that their death is approaching, or a dying person reporting the vision of a dead relative or spouse coming to collect them. (Interestingly, the “guide” figure varies according to one’s culture.)

I have no idea why such phenomena might happen, or indeed whether they might have a physical or psychological explanation. The fact is, however, that many people are aware of them, but are almost embarrassed to discuss them in case they are dismissed as crazy: they speak of them privately, to friends. We are taught that such things belong to the slippery, shameful realm of unreason. Yet while superstition is a deep, dark bog, science has sometimes assumed a rather blinkered resistance to lines of inquiry that might conceivably collide with spirituality: Dr Fenwick is in a minority. We are still in the dark about death, and it’s the biggest thing that happens to us. Why, unlike our children, are we not brave enough to ask it many more questions?

http://www.telegraph.co.uk/comment/columnists/jennymccartney/9606158/Lets-not-be-shy-about-the-afterlife.html
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PostPosted: 13-08-2013 01:02    Post subject: Reply with quote

Quote:
Near death experiences could be surge in electrical activity

Near death experiences in which people report “seeing the light” could be explained by increases in electrical activity in the brain after the heart stops, scientists have found.

The first study to examine the neurophysiological state of the dying brain in animals has identified surges in activity, which suggest a level of consciousness after “clinical death” – when the heart stops beating and blood stops flowing to the brain.

Researchers analyzed the recordings of brain activity using electroencephalograms (EEGs) from nine anesthetized rats undergoing experimentally induced cardiac arrest.

Within the first 30 seconds after cardiac arrest, all of the rats displayed a widespread, transient surge of highly synchronized brain activity that had features associated with a highly aroused and conscious brain.

Almost identical patterns were found in the dying brains of rats undergoing asphyxiation, according to the research by the University of Michigan, published in the Proceedings of the National Academy of Sciences.

Whether and how the dying brain is capable of generating conscious activity has been vigorously debated.

Approximately 20 percent of cardiac arrest survivors report having had a near-death experience during clinical death.

The study found that after clinical death, the rats display brain activity patterns which were characteristic of conscious perception.

Lead study author Jimo Borjigin, Ph.D., associate professor of molecular and integrative physiology and associate professor of neurology at the University of Michigan Medical School, said: "We reasoned that if near-death experience stems from brain activity, neural correlates of consciousness should be identifiable in humans or animals even after the cessation of cerebral blood flow.”

She added: "This study tells us that reduction of oxygen or both oxygen and glucose during cardiac arrest can stimulate brain activity that is characteristic of conscious processing. It also provides the first scientific framework for the near-death experiences reported by many cardiac arrest survivors."

Researchers said the prediction that they would find some signs of conscious activity in the brain during cardiac arrest was confirmed, but they were surprised by the high levels of activity.

Senior author anaesthesiologist George Mashour, assistant professor of anesthesiology and neurosurgery at the University said: "In fact, at near-death, many known electrical signatures of consciousness exceeded levels found in the waking state, suggesting that the brain is capable of well-organized electrical activity during the early stage of clinical death."

http://www.telegraph.co.uk/science/science-news/10237745/Near-death-experiences-could-be-surge-in-electrical-activity.html
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