Reorganization of Ocular Dominance Columns

  • O. Scherf
  • K. Pawelzik
  • T. Geisel


Formation of ocular dominance columns in many models can be analyzed in terms of the spectra of eigenvalues of the linearized dynamics. Depending on the noise level and on boundary conditions, the corresponding modes however, may reorganize in favor of patterns with a lower spatial frequency. Here we argue, that this nonlinear dynamics generates patterns with a length scale which is bounded by the leftmost part of the positive spectrum of the linearization and we demonstrate that this value is indeed approached in very long simulations. Our analysis may provide a new explanation for the correlation dependency of ocular dominance patterns recently observed in cat visual cortex.


Receptive Field Lower Spatial Frequency Ocular Dominance Receptive Field Size Convolution Model 
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Copyright information

© Springer Science+Business Media New York 1997

Authors and Affiliations

  • O. Scherf
    • 1
  • K. Pawelzik
    • 1
  • T. Geisel
    • 1
  1. 1.SFB “Nichtlineare Dynamik”Max-Planck-Institut für StrömungsforschungGöttingenGermany

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