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Responses of a Hodgkin-Huxley Neuron to Various Types of Spike-Train Inputs | | Hideo Hasegawa
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2 Jun 1999 | | Journal: | Phys. Rev. E 61 (2000) 718 | | Subject: | Disordered Systems and Neural Networks; Neurons and Cognition | cond-mat.dis-nn q-bio.NC | | Affiliation: | Tokyo Gakugei Univ. | | Abstract: | Numerical investigations have been made of responses of a Hodgkin-Huxley (HH) neuron to spike-train inputs whose interspike interval (ISI) is modulated by deterministic, semi-deterministic (chaotic) and stochastic signals. As deterministic one, we adopt inputs with the time-independent ISI and with time-dependent ISI modulated by sinusoidal signal. The Rössler and Lorentz models are adopted for chaotic modulations of ISI. Stochastic ISI inputs with the Gamma distribution are employed. It is shown that distribution of output ISI data depends not only on the mean of ISIs of spike-train inputs but also on their fluctuations. The distinction of responses to the three kinds of inputs can be made by return maps of input and output ISIs, but not by their histograms. The relation between the variations of input and output ISIs is shown to be different from that of the integrate and fire (IF) model because of the refractory period in the HH neuron. | | Source: | arXiv, cond-mat/9906020 | | Services: | Forum | Review | PDF | Favorites | |
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