Synchronization in Neurons Driven by Synaptic Currents with Multiple Frequencies (特集 非線形電子回路)

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概要

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• In our previous study, we considered synchronization in a system of two unidirectionally coupled neurons with a chemical synapse. We analyzed the inhibitory and excitatory couplings, assuming that the firing frequency of a pre-synaptic neuron is varied. We found that the neurons easily acquire synchronization at a firing frequency higher or lower than the fundamental frequency of a post-synaptic neuron for excitatory or inhibitory coupling, respectively. In this study, we add one neuron to the previous model; the added neuron drives the previous two neurons (sub-system) by synaptic inputs. To avoid model dependence, we used the Morris-Lecar and Erisirs fast-spiking neuron models as single neuron dynamics. We found that the neurons achieved synchronization at a firing frequency lower (higher) than the synchronous firing frequency of the sub-system for the inhibitory (excitatory) synaptic connection.

• 2011-03-01

著者

• Kitajima Hiroyuki

  Faculty Of Engineering Kagawa University

• Matsuya Yasuyuki

  Faculty Of Science And Engineering Aoyama Gakuin University

• IOKA Eri

  Faculty of Science and Engineering, Aoyama Gakuin University

• Ioka Eri

  Faculty Of Science And Engineering Aoyama Gakuin University

関連論文

• Forced Synchronization of Coupled Oscillators
• Bifurcations in a Coupled Rössler System
• Synchronization in Neurons Driven by Synaptic Currents with Multiple Frequencies (特集 非線形電子回路)
• Synchronized States Observed in Coupled Four Oscillators

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