| Results 11 - 20 of 249 | Search Time 0.117 Seconds |
| Msg | Description |
| # 6350 | The Old Soul Question [Charles Platt] |
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who is brought into an emergency room after cold-water drowning,
with no vital signs--no pulse, respiration, or brain activity. There are
many such cases each year who are successfully resuscitated after HOURS
in this seemingly totally lifeless state. Where did their soul go during
this (Sat, 15 Jun 1996, 3 KB) |
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| # 6254 | Re: Limiting the freedom of harmless minority interests [Boris Gimbarzevsky] |
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dead. Defining death is a tricky business. Brain death is favored by
some people, and . . . barbiturates will put any person into this state. Intubate them,
ventilate them, and they recover - take them off the ventilator in their
"brain dead" state, and they're just as dead as . . . more likely, to get them into a brain-dead vegetative state where
they may appear to be alive . . . not found by anyone for a few hours, they are
dead, and thus "human remains". . . . in this regard -
children have been revived after hours of underwater submersion in cold
water. (18 May 1996 06:42:46, 6 KB) |
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| # 9766 | FYI:CARDIAC ARREST AND RECOVERY OF NEURONAL ACTIVITY [Eugene Leitl] |
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can be
reversed (by cardiopulmonary resuscitation) without brain damage.
However, after cardiac arrest that lasts longer, reperfusion of
the brain is accompanied by delayed irreversible brain damage
that occurs several days after the reperfusion of brain tissue.
The post-ischemic period during which . . . that this post-ischemic period occurs even
after a complete interruption of cerebral blood flow lasting up
to 1 hour. ... ... Charpak and Audinat (Centre National de la
. . . of the period in acute preparations of brain
tissue (rat and guinea pig) prepared after a cardiac arrest of
several hours and maintained in vitro. The authors report . . . preserved in situ in a particular quiescent state
characterized by the absence of electrical activity (Sun, 24 May 1998, 3 KB) |
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| # 13304 | posts on the feasibility of cryonics.... [john grigg] |
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on the structural damage to cryonically frozen brain structure. Billy
Brown took in my view . . . problems with overly optimistic views of how
brain repair and memory restoration will be something . . . this. First off, accidents that destroy the
brain
> are fairly rare, so even if you . . . from arriving at a hospital within an hour or
> less - just don't get yourself . . . claiming that essentially all patients are suspended after one hour or
less after death has occured (not pronounced)? Don't . . . and
> personality can be recovered from your brain tissue.
This sentence is insoncistent. Clearly there . . . the
> original information content of a scrambled brain is isomorphic to the
> problem of deducing . . . claiming that essentially all patients are suspended after one hour or
>less after death has occured (not pronounced)? Don't . . . reverse those transformations and recover the original
state of the information.
When reconstructing the mind (Fri, 25 Feb 2000, 11 KB) |
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| # 10368 | freezer vs. blender [Ettinger] |
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survival by
several criteria,
>> morphological and physiological, after cooling to liquid nitrogen
temperature
[Platt]>What . . . 243-246, 1981) cooled human and rat brain
sections to liquid nitrogen temperature (10% DMSO) . . . humans who had been dead 10-20 hours, and not refrigerated until 3-5
hours after death. They were treated with DMSO up . . . 318-324, 1981) found that, for
human brains, post-mortem storage for 4 and 16 hours at room temperature had
little effect on . . . present is to say that whenever either brain structure or brain function has
been evaluated after freezing to low temperatures and thawing, robust
. . . handy.
[Ettinger]>> and rewarming. Pichugin's rabbit brain pieces showed coordinated
electrical
>> activity in networks . . . s cat brains exhibited spontaneous electrical
discharges
>after rewarming--but only for a brief period, . . . damage, you would be no worse
off after being put through a blender than after . . . outraged, but they were still in a state
of
>blissful ignorance, since they had not (Wed, 2 Sep 1998, 8 KB) |
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| # 0018.2 | Cryonics FAQ: Part 2 |
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possible to slightly
above 0 degrees C. After the blood has been replaced the body . . . this damage. The barbiturates they give reduce brain
metabolism, as does cooling. In a well . . . activity of the nervous system, because the brain can be
*totally inactivated* (emphasis added) by . . . previously stored are still
retained when the brain becomes active once again.
Textbook of Medical . . . Company, Philadelphia, 1986
Thomas Donaldson says that brain waves of supercooled small animals
have been . . . though the animals still
have their memories after they are rewarmed. He cites AU Smith, . . . include diseases that lose
information in the brain, such as Alzheimer's, mental retardation, or
. . . to slightly above 0 C for several hours.
After rewarming and replacing the original blood, the . . . vitrification, which achieves cooling to a glassy state without the
water crystallizing into ice. The (, 13 KB) |
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| # 25624 | Fwd: The Biology of . . . Cryogenics (take 3) [Kennita Watson] |
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or breathe and has no heartbeat or brain
activity. In the Storeys biochemistry lab
atCarletonUniversityinOttawa, . . . a frog can
remain in a torpid state until spring, when its metabolism whirs back
to life. It goes brain dead for a few months, then has . . . those of
control frogs in a normal state, they also found unusually high levels
of . . . 29.3 degrees F for
about two hours, then thawed and transplanted them into other rats. Of
the nine transplantees, eight survived for several hours after
receiving the donor organs, and one survived (Tue, 25 Jan 2005, 9 KB) |
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| # 17069 | NDE study not scientific [James Swayze] |
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07 AM ET
> Scientist Says Mind Continues After Brain Dies
> By Sarah Tippit
> LOS ANGELES (Reuters) - . . . evidence that suggests that consciousness may continue after the brain has stopped functioning and a patient is . . . the debate over whether there is life after death and whether there is such a . . . have a group of people with no brain function ... who have well-structured, lucid thought . . . memory formation at a time when their brains are shown not to function,
Wrong, pure . . . The NDE I experienced was formulated well after the event. My immediate thoughts after being informed I had been coded were . . . stopped, he is not breathing and his brain activity is nil, Parnia said.
> He said . . . prior to and immediately after the unconsciousness states. Here again no memory
loss for the . . . there is usually a memory lapse of hours or days. Talk to them. They ll (Mon, 23 Jul 2001, 13 KB) |
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| # 26411 | Boffins create zombie dogs [Joseph Bloch] |
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created eerie zombie dogs, reanimating the canines after
several hours of clinical death in attempts to develop . . . scientists have succeeded in reviving the dogs after three hours of
clinical death, paving the way for . . . stop breathing
and have no heartbeat or brain activity.
But three hours later, their blood is replaced and the . . . be
happy to keep people in this state for just a few hours,
But even (Mon, 27 Jun 2005, 3 KB) |
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| # 29217 | Suspending Life: The Science of Cryonics [Mark Plus] |
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Science of Cryonics
By Jen Schripsema
Moments after death, some people are being preserved in . . . memories which are physically stored in the brain,
under the assumption that in the future . . . But cryonically preserving a body, or a brain, after death doesn't actually
involve freezing at . . . is referred to as a
glass-like state. After vitrification, cryonics labs suspend people in
liquid . . . have them come back to
their original state. You can vitrify a single human cell . . . the Cryonics Institute disagree. The
Alcor website states: Vitrification can happen on any scale at . . . cold climates and reach
a deep, frozen state of hibernation to survive the winter. The . . . hearts stop and they have no detectable brain activity for
weeks, but when it's . . . they regain all their vital functions
within hours. But these animals have several adaptations to (Fri, 02 Mar 2007, 7 KB) |
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