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Freeze Brain For Longevity

Don Ashley dashley at TENET.EDU
Tue Feb 21 06:19:07 EST 1995

Please elaborate on freezing brain and memory retention after thawing.  
Would appreciate source documents on animal experiments.  Cryonics 

On 21 Feb 1995, Perry E. Metzger wrote:

> In article <Pine.SOL.3.91.950217144858.608A-100000 at corona> Patrick O'Neil <patrick at corona> writes:
> >On Fri, 17 Feb 1995, Eugen Leitl wrote:
> >> There can't be any crash since the hardware is very special and has only
> >> a "Virtual Machine"/Soft Circuit layer: no software, it's all 
> >> architecture, running a special data structure (me).
> >No, it would NOT be you.  It would be a machine programed to simulate 
> >you.  You would be dead and a poor "copy" of you would be used to animate 
> >a machine.
> Ah, I see the Neonazi Ecologist (remember that this gentleman has
> proposed the genetic engineering of diseases to kill off most of us on
> the planet) rears his ugly head again. (I bother to mention this
> individuals other opinions because they must never be forgotten -- he
> is the sworn enemy of those who would like to live their lives in
> peace, and he may someday become an actual threat to our very lives.)
> Well, Mr. O'Nazi, if you were transfered slowly enough -- say each of
> your neurons was replaced with an electronic equivalent one by one --
> the result would be at least as much "you" as your self six weeks from
> now is the same "you" as "you" are today -- after all, braincells
> die with time, constituent materials of the cells are replaced, etc.
> >You ARE inseperable from your biochemistry and evolution.
> That is statement made baldly and without evidence. 
> >You are NOT a movable entity or program that only coincidently
> >presently occupies your biological body...you ARE your body.
> Obviously you are not your body. I can remove large fractions of your
> body without your consciousness noticing a thing. Perhaps, you then
> claim, that you are a brain? But you are obviously not just the brain
> -- were I to take the brain and freeze it, you would no longer be
> conscious. To me, it is fairly obvious that your mind is an emergent
> property of your biological neural substrate -- but that this same
> emergent phenomenon could just as easily operate on another substrate,
> and that, if you care to, you can manage to maintain perfect
> continutity in the transition.
> --
> Perry Metzger		perry at imsi.com
> --
> "Just another selfish, me first kind of guy."

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