11-26-2013, 04:23 PM | #1351 | |
Join Date: Jun 2005
Location: Lawrence, KS
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Re: Ghosts and Mind Copies - The Identity Question
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It strikes me as odd for a number of reasons. Most basically, suppose we do a superaccurate scan of me without killing me, and build a duplicate that produces the same outputs. That duplicate clearly is not me; I could talk with it, and I don't think I would be confused about which pair of eyes I was looking through. So suppose I talk with it for a while, and then you toss a coin and cut the throat of one of us. I think it makes a difference to me which of us dies! I don't think that, if my throat is cut, I'll suddenly find myself looking down at my corpse bleeding on the floor, through the other guy's eyes. Not even if I have a dissociative "out of body" experience where I think I'm seeing myself die through his eyes. That will be what we call a hallucination. If you make him, and put him in one room and me in another, and even if you don't tell me you've made him, it seems to me to be the same deal. That is, I don't think it's my perception of him as different that somehow keeps my consciousness from magically jumping into the other brain. I think it's the fact that information processing depends on signals, and there is one node of signals in my brain, and one node in his brain, and the two are disjoint. And it doesn't seem to me to matter how short a time I live after he's made. It doesn't even matter if I die as he's being made. The belief that "I" have been moved from one body to another seems to me like the illusion that, if you alternately light up two loci of phosphors on a screen, the dot is "jumping back and forth." Bill Stoddard |
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11-26-2013, 04:31 PM | #1352 | ||||
Wielder of Smart Pants
Join Date: Aug 2004
Location: Ventura CA
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Re: Ghosts and Mind Copies - The Identity Question
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What if we did this while you were unconscious, so that both original and duplicate awaken together and we don't tell them which is which? Is there a difference in perception of self identity between them? Quote:
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11-26-2013, 05:19 PM | #1353 | |
Join Date: Jun 2005
Location: Lawrence, KS
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Re: Ghosts and Mind Copies - The Identity Question
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Bill Stoddard |
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11-26-2013, 10:49 PM | #1354 | |
Wielder of Smart Pants
Join Date: Aug 2004
Location: Ventura CA
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Re: Ghosts and Mind Copies - The Identity Question
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11-26-2013, 11:16 PM | #1355 | |
Join Date: Jun 2005
Location: Lawrence, KS
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Re: Ghosts and Mind Copies - The Identity Question
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Bill Stoddard |
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11-27-2013, 03:29 AM | #1356 |
Join Date: Oct 2004
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Re: Ghosts and Mind Copies - The Identity Question
Note _a_ physical nervous system and body. Not _the_ . Only the brain is scanned, the rest is guesswork or a standardized template.
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11-27-2013, 10:19 AM | #1357 |
Join Date: Feb 2005
Location: Berkeley, CA
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Re: Ghosts and Mind Copies - The Identity Question
Eh, conclusion not supported by evidence. Only the brain is required to be scanned, but assuming the body is intact, there are no technical barriers to scanning it as well.
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11-27-2013, 10:34 AM | #1358 | |
Join Date: Jun 2005
Location: Lawrence, KS
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Re: Ghosts and Mind Copies - The Identity Question
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Bill Stoddard |
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11-27-2013, 10:53 AM | #1359 |
Join Date: Feb 2005
Location: Berkeley, CA
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Re: Ghosts and Mind Copies - The Identity Question
The text is pretty much unconcerned with whether a simulated body is required at all. If we assume a simulated body is actually needed, there's not much reason not to use a scan of the person being simulated.
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11-27-2013, 11:00 AM | #1360 |
Join Date: Oct 2004
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Re: Ghosts and Mind Copies - The Identity Question
THS 78: Memories are encoded within the physical structure
of the brain on the molecular level. Uploading is the process of copying all this information into a digital form. These upload recordings can be used to create a mind emulation, a computer program that, when run on a sufficiently potent computer, emulates the workings of the original person’s mind. A “ghost” is created via a destructive uploading (or “brainpeeling”) process. Aliving or newly dead patient (or his severed head) is placed into nanostasis. The brain is removed and carefully sliced by robotic surgeons into multiple tiny segments. Each segment is then scanned by a hypersensitive magnetic resonance imager (HyMRI) or other instrument. The data is used to create a digital reconstruction of the patient’s brain configuration, called a ghost. |
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