Alan

The next question is: What's your corresponding estimate of processing
power?

To emulate the massively parallel "information update rate" of the brain on
N bits of memory, how many commodity PC processors are required per GB of
RAM?

Ben G


> Ben Goertzel wrote:
> > A short, interesting article on the information capacity of the brain
> > was written by nanotechnologist Ralph Merkle; see
>
> > http://www.merkle.com/humanMemory.html
>
> > He gives figures between 10^9 bits and 10^15 bits.
>
> [ The upper bound, which in my oppinion is unrealistic, that I gave in
> my orrigional post was 1.6*10^10 bits. (8*2gb).]
>
> Yes, I am aware of those results. His information is based on counting
> synapses. -- I just re-read it... It seems my numbers aren't off base at
> all. What it means is that we are in the 'singularity window' _NOW_.
>
> To continue the line of thought:
>
> Lets say that the information content of the output of a cortical column
> can be expressed in firings / EEG period. The wakefull frequency is
> around 30hz. A neuron can fire as fast as 1khz. Doing the division
> yields an output capacity of 33 1/3 bits/EEG cycle. (it is probable that
> there are secondary IO channels for each cortical column).
>
> --
> pain (n): see Linux.
> http://users.rcn.com/alangrimes/
>
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