A Network of Interneurons Coupled by Electrical Synapses Behaves as a Coincidence Detector

  • Authors:

  • Santi Chillemi;Michele Barbi;Angelo Garbo

  • Affiliations:

  • Istituto di Biofisica CNR, Sezione di Pisa, Via G. Moruzzi 1, 56124 Pisa, Italy;Istituto di Biofisica CNR, Sezione di Pisa, Via G. Moruzzi 1, 56124 Pisa, Italy;Istituto di Biofisica CNR, Sezione di Pisa, Via G. Moruzzi 1, 56124 Pisa, Italy

  • Venue:
  • IWINAC '07 Proceedings of the 2nd international work-conference on The Interplay Between Natural and Artificial Computation, Part I: Bio-inspired Modeling of Cognitive Tasks
  • Year:
  • 2007

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Abstract

Recent experiments show that inhibitory interneurons are coupled by electrical synapses. In this paper the information transmission properties of a network of three interneurons, coupled by electrical synapses alone, are studied by means of numerical simulations. It is shown that the network is capable to transfer the information contained in its presynapstic inputs when they are near synchronous: i.e. the network behaves as a coincidence detector. Thus, it is hypothesized that this property hold in general for networks of larger size. Lastly it is shown that these findings agree with recent experimental data.