RE: computationalism and supervenience

From: Stathis Papaioannou <>
Date: Mon, 28 Aug 2006 20:23:54 +1000

Brent Meeker writes:

> >>>This may be coincidental, but I think not. Your PC is engineered to
> >>>avoid the effects of chaos to prevent this very thing occurring. Why
> >>>wouldn't nature do the same thing unless it were deliberately trying
> >>>to exploit randomness?
> >>
> >>In nature there's no reason to depend on amplifying quantum randomness - there's
> >>plenty of "random" environmental input to keep our brains from getting stuck in loops.
> >
> >
> > And even without environmental input, unlike digital computers, brains have enough "noise"
> > to keep from going into loops. Poincare recurrence won't kick in until long after the brain
> > has turned to dust.
> I'm not sure that's true. As I recall during the sensory-deprivation fad in the late
> 60's it was reported than people in a sensory-deprivation tank for an extended period
> (hour+) had their thoughts go into loops.

Maybe so, but there is no theoretical reason why a brain could not run a very, very long time
before it starts repeating physical states.

Stathis Papaioannou
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Received on Mon Aug 28 2006 - 06:25:46 PDT

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