Localized Mode-Locking Structure in the Stimulus Parameter Space for a Sinusoidally Forced FitzHugh–Nagumo Neuron

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概要

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• Neurons under periodic stimuli display various dynamical states including mode-locking tongues and firing onset, which has long been an interesting problem. The phase diagram in the parameter space and the bifurcations at the phase boundaries are investigated in a periodically driven FitzHugh–Nagumo neuron with the help of the bifurcation analysis and the continuation algorithm. The mode-locking structure is localized in the stimulus parameter space and enclosed by a curve, and the $1:1$ firing state is dynamically equivalent to the nonfiring state. This localization is supposed to be originated from the polynomial form of the FitzHugh–Nagumo neural equation.

• Physical Society of Japanの論文
• 2010-11-15

著者

• LEE Sang-Gui

  Department of Physics, Kyungpook National University

• Lee Sang-Gui

  Department of Physics, POSTECH, Pohang, Kyungbuk 790-784, Korea

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• Localized Mode-Locking Structure in the Stimulus Parameter Space for a Sinusoidally Forced FitzHugh–Nagumo Neuron

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