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. 2015 May 27;9:62. doi: 10.3389/fncom.2015.00062

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Copyright © 2015 Yi, Wang, Tsang, Wei and Deng.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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f − I_in curves associated with different threshold dynamics induced by adjusting β_n. (A) The half-activation voltage β_n of activation variable n is hyperpolarized from −5 to −15mV with a step of −2mV. (B) Spike threshold as a function of dV/dt with different values of β_n. The range of dV/dt is from 0.45 to 4.5mV/ms. (C) f − I_in curves generated by the neuron with different threshold dynamics for three levels of noise. The noise amplitude is σ = 0, 0.5, and 3μA/cm², respectively.