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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