Josh,

There actually is some downward information flow, apparently largely for
inhibiting loosing patterns.  I forget how learning was done, but in many
hierarchical learning systems downward influences are used to determine
relative importance of lower level patterns in their competition for
representation space.  Plus my recollection is that they recognized top
down influences do plays a role in vision, and they invisioned that any
complete system would have it.

But you have a point, the fact that it is largely a feedforward network
decreases somewhat its claim to being holonic.

-----Original Message-----
From: J Storrs Hall, PhD [mailto:[EMAIL PROTECTED]
Sent: Thursday, October 18, 2007 9:51 AM
To: agi@v2.listbox.com
Subject: Re: [agi] "symbol grounding" Q&A


On Thursday 18 October 2007 09:28:04 am, Edward W. Porter wrote:
> Josh,
>
> According to that font of undisputed truth, Wikipedia, the general
> definition of a holon is: ...
> “Since a holon is embedded in larger wholes, it is influenced by and
> influences these larger wholes. And since a holon also contains
> subsystems, or parts, it is similarly influenced by and influences these
> parts. Information flows BIDIRECTIONALLY between smaller and larger
> systems.”  (emphasis added)

.. but in a feedforward network information only flows one way.

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