Information representation with an ensemble of Hodgkin-Huxley neurons

  • Authors:
  • Aurel A. Lazar

  • Affiliations:
  • Department of Electrical Engineering, Columbia University, New York, NY 10027, USA

  • Venue:
  • Neurocomputing
  • Year:
  • 2007

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Abstract

Motivated by the natural representation of stimuli in sensory systems, we investigate the representation of a bandlimited signal by an ensemble of Hodgkin-Huxley neurons with multiplicative coupling. We show that such a neuronal ensemble is I/O equivalent with an ensemble of integrate-and-fire neurons with variable threshold. The value of the threshold sequence is explicitly given. We describe a general algorithm for recovering the stimulus at the input of the neuronal ensemble.