> --- On Wed, 3/3/10, Stathis Papaioannou <stath...@gmail.com> wrote:
> I'm not sure if you overlooked it but the key condition in my paper is that 
> the inputs to the remaining brain are identical to what they would have been 
> if the whole brain were present.  Thus, the neural activity in the partial 
> brain is by definition identical to what would have occured in the 
> corresponding part of a whole brain.  It is of course grossly implausible 
> that this could be done in practice for a real biological brain (for one 
> thing, you'd pretty much have to know in advance the microscopic details of 
> everything that would have gone on in the removed part of the brain, or else 
> guess and get incredibly lucky), but it presents no difficulties in priciple 
> for a digital simulation,

The only fundamental difficulty I can see with this is if the brain
actually uses quantum computation, as suggested by some evidence that
photopsynthesis does (quoted by Bruno in another thread) - in which
case it might be impossible, even in principle, to reproduce the
activity of the rest of the brain (I'm not sure whether it would, but
it seems a lot more likely).


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