On 12/11/2013 12:55 AM, Bruno Marchal wrote:
On 10 Dec 2013, at 20:20, George wrote:
Hi List
I haven't contributed to this list for a while but I thought you might be interested in
this article from theScience Daily <http://www.sciencedaily.com/> on line magazine
Neural Prosthesis Restores Behavior After Brain Injury
<http://www.sciencedaily.com/releases/2013/12/131209152259.htm>
Yes, things progress. Nice to hear of you George, best,
Of course, we cannot test the first person experience of the rat. Even if the rat can
talk, that would prove almost nothing, but the human will say "yes" to the doctor
anyway, and without thinking to much on the theoretical consequences of the possible
survival.
But this brings up a difficulty I see in "comp". We know that if the level of
substitution is quantal, then we can't clone the state of the part being replaced (and in
the UD model this corresponds to not knowing all the threads of computation through the
state). This wouldn't deter people from saying "yes" to the doctor. But it implies that
there will the a qualitative difference in consciousness, a "jump", perhaps like a memory
gap and temporary disorientation due to concussion or drugs. But then why doesn't some
improbable quantum fluctuation prevent the part replacement and provide a more continuous
path of consciousness, in analogy to quantum immortality?
Brent
To stop comp to be *applied*, we should have made glasses illegal long ago ... Then we
can argue that molecular biology confirms the use of comp by biological system all the time.
Bruno
George Levy
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