On 8/21/2013 2:42 PM, Quentin Anciaux wrote:
Ok, and I'm fascinated by the question of why we haven't found viable
algorithms in that class yet -- although we know has a fact that it
must exist, because our brains contain it.
We haven't proved our brain is computational in nature, if we had, then we would had
proven computationalism to be true... it's not the case. Maybe our brain has some non
computational shortcut for that, maybe that's why AI is not possible, maybe our brain
has this "realness" ingredient that computations alone lack. I'm not saying AI is not
possible, I'm just saying we haven't proved that "our brains contain it".
There's another possibility: That our brains are computational in nature, but that they
also depend on interactions with the environment (not necessarily quantum entanglement,
but possibly). When Bruno has proposed replacing neurons with equivalent input-output
circuits I have objected that while it might still in most cases compute the same function
there are likely to be exceptional cases involving external (to the brain) events that
would cause it to be different. This wouldn't prevent AI, but it would prevent exact
duplication and hence throw doubt on ideas of duplication experiments and FPI.
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