Re: Neurons don't block so brain not a parallel computer?

On Jun 6, 4:55 pm, feedbackdroid <feedbackdr...@xxxxxxxxx> wrote:


I don't know how they know the early olfactory cortex was randomly
wired?

When I get back to the book, I'll see if Lynch gives any references.




I've been trying to follow this up. Lynch is rather skimpy on
pertinent references, but luckily something extremely useful was
posted on another forum ... following on my previous comments re
Lynch's book, the olfactory system may provide a useful paradigm for
cortical - subcortical/peripheral evolution.

http://tech.groups.yahoo.com/group/MindBrain/message/13846

Symposium: http://www.blackwell-synergy.com/toc/nyas/1121/1

Paper by Gordon Sheperd [famous oldtimer of neuroscience]:

http://www.blackwell-synergy.com/doi/full/10.1196/annals.1401.032
=============
...........
In the olfactory cortex, the olfactory bulb input appears to be
distributed relatively widely. Within this distribution, there may be
clusters of input fiber terminals and output cells. The signature
organizational principle appears to be to receive this distributed
pattern and add iterative recurrent re-excitatory patterns through
long recurrent axon collaterals of the pyramidal neurons. The
organization has been likened to that of the face area of higher
visual association areas.7 It has the function of a content-
addressable memory in storing the input patterns in a widely
distributed manner—in other words, an organization well adapted to
process complex spatial patterns,
==============
.

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