Geometry of orientation preference map determines nonclassical receptive field properties

  • U. Ernst
  • K. Pawelzik
  • F. Wolf
  • T. Geisel
Part II: Cortical Maps and Receptive Fields
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1327)


We propose a simple mechanism for the nonclassical receptive field property of orientation contrast sensitivity. Our model includes the long-range lateral connections linking cell populations of similar orientation preference, and the dynamics of local microcircuits which introduce a differential interaction whose sign depends on the post- and presynaptic activation. We demonstrate that the geometry of an orientation preference map determines the positions of cells sensitive for orientation contrasts, and we propose a simple statistical method to check the predictions of our model for experimentally given maps.


Receptive Field Presynaptic Activation Differential Interaction Orientation Contrast Orientation Column 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1997

Authors and Affiliations

  • U. Ernst
    • 1
  • K. Pawelzik
    • 1
  • F. Wolf
    • 1
  • T. Geisel
    • 1
  1. 1.MPI für StrömungsforschungGöttingen

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