On 9/21/2011 9:58 PM, Jason Resch wrote:
On Wed, Sep 21, 2011 at 10:59 PM, meekerdb <[email protected]
<mailto:[email protected]>> wrote:
On 9/21/2011 6:01 PM, Jason Resch wrote:
When you aren't thinking about what your mother looks like, she could
look like
anyone, because your moment of awareness at that point in time is
consistent
with existence in all those possible universes where she is a different
person.
When the memory makes it into your awareness, it then limits / selects
the
universes you belong to.
Why is it that even though Tegmark wrote a paper showing it, nobody wants
to admit
that the brain is a classical system.
The Brain is classical, I agree.
Unless you are taking Craig's dualist view that thought and memory are
independent
of your brain, your memory as instantiated in your brain already
corresponded to who
your mother is and to most of the rest of your history
Yes, but which brain are you right now? Are you the Brent in universe X whose mother
had green eyes, or the Brent in universe Y whose mother had brown eyes. By the time you
remember, you will have resolved which Brent you are (and correspondingly which universe
you are in) but then you've opened up new uncertainties, and new universes compatible
with your existence: Are you in the universe where Brent's tooth brush is yellow, or the
universe where it is red, or some other color? Until you stop and think, and this
information enters your awareness (not your brain it is already in each of your brains
in each of those universes), your conscious moment is compatible with Brents in various
universes where your brush has varying colors. Of course when you make the
determination you find a fully coherent and consistent history. Receipts for the tooth
brush you bought, a picture of your mom on the wall, etc.
But that assumes a dualism so that in the universe where my tooth brush is yellow (and
that is encoded in my brain in that universe), my mind is not associated with that brain -
it is some uncertain state. But then when the yellowness or redness of my toothbrush
enters my consciousness my mind splits into different universes (the many-minds
interpretation of QM?). In that case there are many classical beings who call themselves
Brent and have some memories in common. Why not distinguish them by their bodies/brains?
Why think if the mind(s) as being indeterminate and flitting about just because they are
not instantiating awareness of all that is in the brain?
- excepting those instances where some quantum event was amplified
sufficiently to
create a superposition in your experience.
I am not sure if this qualifies as a super position, or just comp indeterminacy.
You're right - decoherence or similar would have to collapse the superposition.
Brent
Jason
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