From: Mike Dougherty (firstname.lastname@example.org)
Date: Mon Nov 23 2009 - 16:15:30 MST
On Mon, Nov 23, 2009 at 11:20 AM, Matt Mahoney <email@example.com> wrote:
> When I say that the brain has 10^9 bits of memory, I mean its Kolmogorov
> complexity. There are 2^(10^9) possible brains you can distinguish by their
> behavior. (It happens to take 10^15 synapses to achieve that, however). So
> the Kolmogorov complexity of the desired outputs for any traning set also
> has to be at least 10^9 bits, or else there would be some brains that can't
> be distinguished.
> If your goal is to produce *a* brain (say, to pass the Turing test), and
> not a copy of some particular brain, then I suppose you could get by with
How much complexity is in the genetic space for the development of a brain?
ex: total for all genetic encoding minus the parts about the bloody viscera
and redundant so-called junk-DNA =?= less than 10^9 Like you said, nature
just needs *a* brain - not an exact replica of a particular brain.
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