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Linear Correlation-Based Learning Models Require a Two-Stage Process for the Development of Orientation and Ocular Dominance
Citation key Piepenbrock1996b
Author Piepenbrock, C. and Ritter, H. and Obermayer, K.
Pages 1 – 7
Year 1996
ISSN 1370-4621
DOI 10.1007/BF00417787
Journal Neural Processing Letters
Volume 3
Number 1
Publisher Kluwer Academic Publishers
Abstract In our contribution we demonstrate, that orientation (OR) and ocular dominance (OD) cannot develop simultaneously in linear correlation-based learning (CBL) models, because OR and OD occupy separate domains in parameter space. We then analyse the conditions under which waves of spontaneous activity - as have been observed in the developing retina - may give rise at least to OR or OD. We find that in linear CBL models there must be subcortical convergence of ON / OFF as well as left eye / right eye pathways. We present a biologically plausible scenario in which the subcortical connectivity patterns resemble a competitive neural network and argue that OR and OD can robustly emerge, if a two-stage developmental process is assumed.
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