Steve Grand's latest project, an artificial-life game called Grandroids,
does just that. The bottom layer (substitution level) is an artificial
chemistry and biology, including analogues to dna, metabolism, cells
(including neurons of course), hormones, and so on.  He's concentrating on
building a very robust and dynamic set of base components that will be
assembled from the dna in ways that result in an artificial animal... an
animal that has no behaviors programmed in by Steve or anyone else.
Whatever it does will be completely emergent.

He's still building it, so a lot of stuff has to be proved out, but if all
goes right, these animals will display coherent, apparently goal-directed
behaviors in such a way that the most parsimonious explanation of what's
happening is that a new layer of "psychology" has emerged from the
computational substrate.

Even if Steve fails, it is at least possible in principle to see how that
could happen.

Happy new year!
On Jan 1, 2012 1:25 AM, "Craig Weinberg" <whatsons...@gmail.com> wrote:

> On Jan 1, 12:14 am, Terren Suydam <terren.suy...@gmail.com> wrote:
> > Uncanny vally is a psych level phenomenon.
>
> I don't really see how different levels could exist in comp. Different
> addresses and computational threads, different matrices and
> topologies, but I can't see how qualitative layers of presentation
> could arise. They would be superfluous.
>
> Craig
>
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