Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!iuvax!uxc!tank!uwvax!ai!neves
From: neves@ai.cs.wisc.edu (David M. Neves)
Newsgroups: comp.ai.neural-nets
Subject: Re: Biological Reality and Backpropagation
Keywords: Backpropagation, Biology, NETtalk
Message-ID: <7487@spool.cs.wisc.edu>
Date: 8 May 89 01:21:37 GMT
References: <2518@bucsb.UUCP> <180@bach.nsc.com>
Sender: news@spool.cs.wisc.edu
Reply-To: neves@ai.cs.wisc.edu (David M. Neves)
Organization: U of Wisconsin CS Dept
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In article <180@bach.nsc.com> andrew@berlioz (Lord Snooty @ The Giant Poisoned Electric Head) writes:
>On the contrary, Stephen Grossberg ("Neural Networks and Natural
>Intelligence") takes the opposed view - that weight transport, required
>for BP, is a physically implausible mechanism.
What weight transport is required by back propagation?  I really see
no reason to transfer weights anywhere.  If he is talking about
computation and storage and movement within the neuron I didn't
realize we were so knowledgeable about neurons that we could already
rule out large classes of models.

;David Neves, Computer Sciences Department, University of Wisconsin-Madison
;Usenet:  {rutgers,ucbvax}!uwvax!neves
;Arpanet: neves@cs.wisc.edu