Autapse modulated bursting

  • Authors:

  • Guang-Hong Wang;Ping Jiang

  • Affiliations:

  • Department of Information and Control Engineering, Tongji University, Shanghai, China;Department of Information and Control Engineering, Tongji University, Shanghai, China

  • Venue:
  • ISNN'06 Proceedings of the Third international conference on Advances in Neural Networks - Volume Part I
  • Year:
  • 2006

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Abstract

In this paper we present a model of autapses which are synapses connecting axons and dendrites of the same neuron and feeding back axonal action potentials to the own dendritic tree. The timely physiological self-inhibitory function they may serve, indicated by the spike-timing dependent plasticity rule, provides a potential negative feedback mechanism to control the dynamical properties of neurons. The model autapse is applied to a neuron with conductance-based minimal model to construct a fast-slow buster. Three types of bursting that the burster exhibits are analyzed geometrically through phase portraits to illustrate the modulation competence of the autapse model on bursting.