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From: marcoj@ai.rl.af.mil (James D. Marco)
Subject: Re: Men : Analogical or Digital ?
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References: <3rjvt4$cub@gnu.mat.uc.pt> <3s9hpu$eh0_001@csihq.com> <marcoj-2206950602160001@fester.se.rl.af.mil> <DAMorG.CqJ.0.-s@cs.vu.nl> <3sep3a$dc@life.ai.mit.edu>
Date: Mon, 26 Jun 1995 14:52:15 GMT
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In article <3sep3a$dc@life.ai.mit.edu>, connolly@ladyday.ai.mit.edu
(Christopher Connolly) wrote:

> In article <DAMorG.CqJ.0.-s@cs.vu.nl>, Bronneberg EM <embronne@cs.vu.nl>
wrote:
> >James D. Marco (marcoj@ai.rl.af.mil) wrote:
> 
> >: Then: The human brain is digital at the base level.

I clearly oversimplified.  - jdm - %;-o)

> >.... Current theories do not state that the firing of neurons is the
> >only way of transferring information. In fact, there are indications
> >that some radical (I think it was NO [nitrogen-monoxide])

I am slightly aware of various neuro-transmitters, RNA controls, 
fluid chemical predispositions, chemical memory traces and other chemical
control agents. At the molecular level, still digital in action, I
believe?
 
> Another example: Cells can also be resistively coupled through gap
> junctions (electrical synapses).  Gap junctions have been found, for
> example, in retina, inferior olive, and recently among some cells in
> striatum (among other places).

Interesting.  Never heard of this.  Several questions pop up.
         1) Are there threashold values? What is the trigger?  
         2) What is the mechanism for the Gap Junction resistance?
         3) Do neuro-transmiters still operate? 
         4) Do external magnetic/electric fields influence their operation? 
         5) . . . Is there info on line somewhere? I would like to bone 
                  up a bit on this.  
                                      ?8-)    marcoj@ai.rl.af.mil
