Analysis of ocular dominance pattern formation in a high-dimensional self-organizing-map model

被引：14

作者：

Bauer, HU ^{[1
]}

Brockmann, D ^{[1
]}

Geisel, T ^{[1
]}

机构：

[1] UNIV FRANKFURT, SONDERFORSCH BEREICH NICHTLINEARE DYNAM, D-60054 FRANKFURT, GERMANY

来源：

NETWORK-COMPUTATION IN NEURAL SYSTEMS | 1997年 / 8卷 / 01期

关键词：

D O I：

10.1088/0954-898X/8/1/004

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Using a distortion measure for the states emerging in self-organizing maps (SOMs) we mathematically analyse a recently proposed high-dimensional map formation model for ocular dominance patterns. We calculate critical values of parameters for ocular dominance states to occur, and we determine how the pattern layout depends on these parameters. The analysis reveals an increase of ocular dominance bandwidth with decreasing correlation, consistent with a recently observed increase of bandwidth in strabismic cats. In subsequent simulations these analytical results are corroborated, irrespective of the specific normalization procedure (multiplicative or subtractive) employed in the simulations.

引用

页码：17 / 33

页数：17

共 30 条

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