Self-Sustained Irregular Activity in an Ensemble of Neural Oscillators

  title={Self-Sustained Irregular Activity in an Ensemble of Neural Oscillators},
  author={Ekkehard Ullner and Antonio Politi},
An ensemble of pulse-coupled phase oscillators is thoroughly analyzed in the presence of a mean-field coupling and a dispersion of their natural frequencies. In spite of the analogies with the Kuramoto setup, a much richer scenario is observed. The “synchronized” phase, which emerges upon increasing the coupling strength, is characterized by highly irregular fluctuations: A time-series analysis reveals that the dynamics of the order parameter is indeed high dimensional. The complex dynamics… CONTINUE READING
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