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Whether and how the dying brain is capable of generating conscious activity has been vigorously debated.
But in this week's PNAS Early Edition, a U-M study showed shortly after clinical death, in which the heart stops beating and blood stops flowing to the brain, rats display brain activity patterns characteristic of conscious perception.
"This study, performed in animals, is the first dealing with what happens to the neurophysiological state of the dying brain," says 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.
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A study of the brains of critically ill men and women revealed a brief burst of activity moments before death.
Researcher Lakhmir Chawla, an intensive care doctor, said: 'We think that near-death experiences could be caused by a surge of electrical energy as the brain runs out of oxygen.
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Doctors at George Washington University Medical Faculty Associates recorded brain activity of people dying from critical illnesses, such as cancer or heart attacks.
Moments before death, the patients experienced a burst in brain wave activity, with the spikes occurring at the same time before death and at comparable intensity and duration.
Writing in the October issue of the Journal of Palliative Medicine, the doctors theorize that the brain surges may be tied to widely reported near-death experiences which typically involve spiritual or religious attributes.
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One thing that came to my mind was if they had previously been monitoring the patient's brain on a regular basis just before death than why have they not noticed activity AFTER? Is this because the equipment they were using was not sensitive enough?
*** occurs in trace amounts in mammals, including humans, where it putatively functions as a trace amine neurotransmitter/neuromodulator.
Dr. Rick Strassman, while conducting *** research in the 1990s at the University of New Mexico, advanced the controversial hypothesis that a massive release of *** from the pineal gland prior to death or near death was the cause of the near death experience (NDE) phenomenon. Several of his test subjects reported NDE-like audio or visual hallucinations. 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. Several subjects also reported contact with 'other beings', alien like, insectoid or reptilian in nature, in highly advanced technological environments where the subjects were 'carried,' 'probed,' 'tested,' 'manipulated,' 'dismembered,' 'taught,' 'loved,' and even 'raped' by these 'beings.'
Originally posted by zilebeliveunknown
reply to post by jonnywhite
One thing that came to my mind was if they had previously been monitoring the patient's brain on a regular basis just before death than why have they not noticed activity AFTER? Is this because the equipment they were using was not sensitive enough?
From what I read, it's because in experiments with rats electrodes were attached directly to brain tissue, where in humans experiments they were attached to their scalps.
This could be the first evidence of brain activity after clinical death (heart not beating, blood not flowing).
Very interesting... I'm looking forward to more research on the matter
Originally posted by ShadellacZumbrum
reply to post by jonnywhite
I'm gonna go out on a limb here. .. .
With the impulse building up for a sudden burst at the exact time of death might indicate that. .. . ..
It is Lunching the Soul from the body.
Maybe there are also other waves that we not able to detect that are at work as well.edit on 12-8-2013 by ShadellacZumbrum because: (no reason given)