basically on the right track -- except there isn't just one "cognitive level". 
Are you thinking of working out the function of each topographically mapped 
area a la DNF? Each column in a Darwin machine a la Calvin? Conscious-level 
symbols a la Minsky?

On Thursday 05 June 2008 09:37:00 pm, Richard Loosemore wrote:
> 
> There seems to be a good deal of confusion (on this list and also over 
> on the Singularity list) about what people actually mean when they talk 
> about building an AGI by emulating or copying the brain.
> 
> There are two completely different types of project that seem to get 
> conflated in these discussions:
> 
> 1) Copying the brain at the neural level, which is usually assumed to be 
> a 'blind' copy - in other words, we will not know how it works, but will 
> just do a complete copy and fire it up.
> 
> 2) Copying the design of the human brain at the cognitive level.  This 
> may involve a certain amount of neuroscience, but mostly it will be at 
> the cognitive system level, and could be done without much reference to 
> neurons at all.
> 
> 
> Both of these ideas are very different from standard AI, but they are 
> also very different from one another.  The criticisms that can be 
> leveled against the neural-copy approach do not apply to the cognitive 
> approach, for example.
> 
> It is frustrating to see commentaries that drift back and forth between 
> these two.
> 
> My own position is that a cognitive-level copy is not just feasible but 
> well under way, whereas the idea of duplicating the neural level is just 
> a pie-in-the-sky fantasy at this point in time (it is not possible with 
> current or on-the-horizon technology, and will probably not be possible 
> until after we invent an AGI by some other means and get it to design, 
> build and control a nanotech brain scanning machine).
> 
> Duplicating a system as complex as that *without* first understanding it 
> at the functional level seems pure folly:  one small error in the 
> mapping and the result could be something that simply does not work ... 
> and then, faced with a brain-copy that needs debugging, what would we 
> do?  The best we could do is start another scan and hope for better luck 
> next time.
> 
> 
> 
> 
> 
> Richard Loosemore
> 
> 


-------------------------------------------
agi
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