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The European Physical Journal B

, Volume 74, Issue 2, pp 177–193 | Cite as

Noise-induced synchronization in bidirectionally coupled type-I neurons

  • N. Malik
  • B. Ashok
  • J. BalakrishnanEmail author
Statistical and Nonlinear Physics

Abstract

We present here some studies on noise-induced order and synchronous firing in a system of bidirectionally coupled generic type-I neurons. We find that transitions from unsynchronized to completely synchronized states occur beyond a critical value of noise strength that has a clear functional dependence on neuronal coupling strength and input values. For an inhibitory-excitatory (IE) synaptic coupling, the approach to a partially synchronized state is shown to vary qualitatively depending on whether the input is less or more than a critical value. We find that introduction of noise can cause a delay in the bifurcation of the firing pattern of the excitatory neuron for IE coupling.

Keywords

Lyapunov Exponent Coupling Strength Instantaneous Frequency Excitatory Neuron Large Lyapunov Exponent 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  1. 1.Potsdam Institute for Climate Impact ResearchPotsdamGermany
  2. 2.Advanced Centre for Research in High Energy Materials (ACRHEM), University of Hyderabad, Central University POHyderabad -India
  3. 3.School of Physics, University of Hyderabad, Central University POHyderabad -India

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