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> No variables in the brain, brain as a computer
moha
post Nov 28, 2013, 01:30 AM
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A very essential principle for computers and intelligence is the use of variables instead of concrete objects. The question is, how do you register a variable in a bunch of neurons?
Let us take a simple formula: a^2 + b^2 = c^2.
As far as the brain is concerned, it is coded exactly the same way as:
3^2 + 4^2 = 5^2. No difference between an abstract object (a variable), and a concrete one ( a constant).
The difference between one and the other, as far as the brain is concerned, is the difference between the group of associations each term or concept entertains within the brain.
Connectionism is based on the idea of distribution. But then, connectionists seem to betray their own vision when they start attributing to neurons computing properties. They think that neurons fire (or do not fire) according to certain rules, which they call weights. I suppose it makes sense if you believe that neurons are more than simple organic wires that conduct electricity.
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