Paper available

[Geoff Goodhill]

Dear Colleagues,

The following paper, which has just appeared in Network 9, 419-432, 
is available in postscript form from

http://www.giccs.georgetown.edu/~geoff/pubs.html

Thanks,

Geoff Goodhill

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  The influence of neural activity and intracortical connections 
          on the periodicity of ocular dominance stripes

                    Geoffrey J. Goodhill
    Georgetown Institute for Cognitive and Computational Sciences
                       Washington DC

Abstract 

Several factors may interact to determine the periodicity of ocular
dominance stripes in cat and monkey visual cortex. Previous
theoretical work has suggested roles for the width of cortical
interactions and the strength of between-eye correlations. Here, a
model based on an explicit optimization is presented that allows a
thorough characterization of how these and other parameters of the
afferent input could affect ocular dominance stripe periodicity. The
principle conclusions are that increasing the width of within-eye
correlations leads to wider columns, and, surprisingly, that
increasing the width of cortical interactions can sometimes lead to
narrower columns.