IUBio

What the Neocortex Does

Harry Erwin herwin at gmu.edu
Tue Aug 1 17:34:04 EST 2000


Bill Skaggs <skaggs at bns.pitt.edu> wrote:

> herwin at gmu.edu (Harry Erwin) writes:
> 
> > I'm beginning to suspect a primary function of the neocortex is the
> > maintenance of a non-symbolic, dynamic model of the environment. The
> > evidence seems fairly strong that bats live mostly in such a model
> > (Griffin, 1958), and the difficulty we have training bats to use
> > symbolic representations (yes/no tokens) in communicating with us,
> > suggests that their internal model is non-symbolic, possibly like the
> > analog models used in some contexts like wind tunnels and floatation
> > tanks. 
> 
> Hi Harry!
> 
> I gather from this that you're having trouble training a bat to do a
> task.

Hi, Bill!

Bats can be trained to signal 'yes/no', but it's a pain and a half. It
doesn't come naturally to them.

> 
> Anyway, you may be right but I don't think the argument is convincing.
> Whatever sort of environment-model bats have, they certainly are
> capable of using it to make at least some binary distinctions (e.g.,
> moth/leaf).
> 
>       -- Bill

If I had a convincing argument, I'd do some sort of experimental test
and publish a paper. I can e-mail you something speculative if you want.

-- 
Harry Erwin, PhD, <mailto:herwin at gmu.edu>,Computational Neuroscientist 
(modeling bat behavior), Senior SW Analyst and Security Engineer, and 
Adjunct Professor of Computer Science, GMU. Looking--CV available at: 
<http://mason.gmu.edu/~herwin/CV.htm>






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