On Wednesday, April 3, 2013 5:44:24 PM UTC-4, Jason wrote:
> On Sat, Mar 30, 2013 at 7:58 AM, Telmo Menezes
> > wrote:
>> On Thu, Mar 28, 2013 at 1:23 PM, Craig Weinberg
>> > wrote:
>>> Then shouldn't a powerful computer be able to quickly deduce the winning
>>> Arimaa mappings?
>> You're making the same mistake as John Clark, confusing the physical
>> computer with the algorithm. Powerful computers don't help us if we don't
>> have the right algorithm. The central mystery of AI, in my opinion, is why
>> on earth haven't we found a general learning algorithm yet. Either it's too
>> complex for our monkey brains, or you're right that computation is not the
>> whole story. I believe in the former, but not I'm not sure, of course.
>> Notice that I'm talking about generic intelligence, not consciousness,
>> which I strongly believe to be two distinct phenomena.
> Another point toward Telmo's suspicion that learning is complex:
> If learning and thinking intelligently at a human level were
> computationally easy, biology wouldn't have evolved to use trillions of
> synapses. The brain is very expensive metabolically (using 20 - 25% of the
> total body's energy, about 100 Watts). If so many neurons were not needed
> to do what we do, natural selection would have selected those humans with
> fewer neurons and reduced food requirements.
There's no question that human intelligence reflects an improved survival
through learning, and that that is what makes the physiological investment
pay off. What I question is why that improvement would entail awareness.
There are a lot of neurons in our gut as well, and assimilation of
nutrients is undoubtedly complex and important to survival, yet we are not
compelled to insist that there must be some conscious experience to manage
that intelligence. Learning is complex, but awareness itself is simple.
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