Dynamics of globally coupled inhibitory neurons with heterogeneity

David Golomb, John Rinzel

Research output: Contribution to journalArticlepeer-review

Abstract

A model of many heterogeneous excitable neurons with a global slowly decaying inhibitory coupling is studied. When neuronal intrinsic excitability parameters are randomly distributed, the system exhibits four regimes of behavior. In addition to synchronized periodic and asynchronous regimes, we obtain two aperiodic regimes, with bursting rate a staircaselike function of neuron excitability. In one regime, the system is partially synchronized and in the second, partially antisynchronized. The transition between these two regimes is discontinuous as the disorder increases.

Original languageEnglish (US)
Pages (from-to)4810-4814
Number of pages5
JournalPhysical Review E
Volume48
Issue number6
DOIs
StatePublished - 1993

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

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