Quantitative Biology > Neurons and Cognition
[Submitted on 31 Oct 2003 (v1), last revised 17 Nov 2004 (this version, v4)]
Title:Different ocular dominance map formation by influence of orientation columns in visual cortices
View PDFAbstract: In animal experiments, the observed orientation preference (OP) and ocular dominance (OD) columns in the visual cortex of the brain show various pattern types. Here, we show that the different visual map formations in various species are due to the crossover behavior in anisotropic systems composed of orientational and scalar components such as easy-plane Heisenberg models. We predict the transition boundary between different pattern types with the anisotropy as a main bifurcation parameter, which is consistent with experimental observations.
Submission history
From: Myoung Won Cho [view email][v1] Fri, 31 Oct 2003 06:48:23 UTC (603 KB)
[v2] Mon, 17 Nov 2003 08:02:21 UTC (594 KB)
[v3] Mon, 12 Jul 2004 09:01:09 UTC (349 KB)
[v4] Wed, 17 Nov 2004 12:41:24 UTC (349 KB)
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