[ExI] ANN question

[William Flynn Wallace]

BTW - big section in April's Discover magazine on AI and ANN
.

A question arises from that:  they are creating ANNs - Artificial Neural
Networks.

Here's the relevant paragraph:

The Mcculloch Pitts neural model is an equation used to convert a series of
weighted inputs into a binary output.  Lots of data go in, and a 0 or a 1
comes out.  Add up a mess of numbers and if the solution is greater than or
equal to a predetermined total, the output is a 1.  If the solution falls
below the total, the output is a 0.  It's a simplified simulation of how
neurons in the brain work:  they either fire or don't fire.

OK, they did say 'simplified'.  But that's an incomplete picture of
neurons.  They can react to input in three ways, not just two:  not react
(meaning the firing rate stays the same), increase rate of firing, decrease
rate of firing.

Maybe the answer to my question is in that word 'simplified'.  Anybody?

bill w
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