Re: Neuromorphic ‘atomic-switch’ networks function like synapses in the brain

Tue, 19 Aug 2014 18:16:39 -0700 



________________________________
 From: meekerdb <[email protected]>
To: [email protected] 
Sent: Tuesday, August 19, 2014 2:52 PM
Subject: Re: Neuromorphic ‘atomic-switch’ networks function like synapses in 
the brain
 


On 8/19/2014 2:21 PM, 'Chris de Morsella' via Everything List wrote:


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>________________________________
> From: meekerdb <[email protected]>
>To: [email protected] 
>Sent: Tuesday, August 19, 2014 1:43 PM
>Subject: Re: Neuromorphic ‘atomic-switch’ networks function like synapses in 
>the brain
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>But after you made one and trained it you couldn't make a copy.  You'd have to 
>start over.
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>Isn't this akin to what biological life does? 
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>We are the result not only of our DNA and neurological hardware, but of the 
>accumulating mass of our own unique experiences and all the interactions they 
>triggered within our neural cortex (forming memories and triggering reactions 
>etc.)
Yes it is, only more so.  Biological life has evolved by passing on
    configurations that survived and reproduced better.  If you trained
    one of these atomic switching networks, the next one wouldn't
    inherit anything from it.  One of the technological promises of
    neural networks was that while you would have to train one of them,
    thereafter you could just copy it.

Agreed, but isn't this more akin to a neural network rather than the DNA of an 
organism. Our particular network configuration -- e.g. the actual distribution 
of neurons and the synaptic connections between them is not determined by our 
DNA. Doesn't the brain also self-assemble during embyogenesis? It is not a 
predetermined architecture -- at the micro scale of how neurons and the 
conectome between them are laid out at least. Sure the organisms DNA kicks off 
the embryogenesis process and no doubt is involved at every step of the way, 
but a lot of what is going on in early brain development seems analogous to 
molecular self assembly.

Each brain neural cortex is itself a unique fingerprint unlike any other in 
existence.

Wouldn't the DNA in this be the instructions on how to replicate this process 
of self assembly and not the much finer grained instruction set that would be 
required to reproduce an exact replica of a given network topology?
Chris




Brent

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