Brain & computers ????

Thomas D. Wason wason at nando.net
Fri Feb 2 22:23:07 EST 1996


brannon at sapo.usc.edu (Terrence M. Brannon) wrote:
>
>"Brains, Machines, and Mathematics" by Michael A. Arbib shows that any
>digital computer is equivalent to the simplest of neurons, the
>McCulloch-Pitts neuron because 
>
>1) A digital computer can be created using of AND, OR, and NOT gates
>2) the above three gates can be simulated by giving McCulloch-Pitts
>   neurons varying integration characteristics.
>
>-- 
>Terrence M. Brannon http://rana.usc.edu:8376/~brannon  
>snail USC, Hedco Neuroscience Bldg, LA, CA 90089-2520  
>email brannon at rana.usc.edu tel: 213-(7406090,7649845)  
>

This is not to say that a digital computer can perform in the same way as the brain, however. 
There are all of those pesky glial cells around, ion flows, multiple neurotransmitters, and 
the brain is not necessarily a logic state machine.   

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