Effects of correlated input and electrical coupling on synchrony in fast-spiking cell networks

  • Authors:

  • Abraham R. Schneider;Timothy J. Lewis;John Rinzel

  • Affiliations:

  • Center for Neural Science, New York University, NY 10003, USA;Department of Mathematics, University of California Davis, CA 95616, USA;Center for Neural Science, New York University, NY 10003, USA and Courant Institute for Mathematical Sciences, New York University, NY 10003, USA

  • Venue:
  • Neurocomputing
  • Year:
  • 2006

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Abstract

Fast-spiking (FS) cells in layer IV of the somatosensory cortex receive direct thalamocortical (TC) input and provide feed-forward inhibition onto layer IV excitatory cells. The level of synchronous firing of FS cells will affect the shape of this feed-forward output. Two factors that contribute to the synchrony are correlated TC input and electrical coupling between FS cells. Using a cell-pair model, we show that these two factors act synergistically to increase synchrony, and we examine the underlying mechanism.