Universiti Teknologi Malaysia Institutional Repository

Contribution of voltage-dependent ion channels to subthreshold resonance

Kitajima, Tatsuo and Feng, Zhonggang (2013) Contribution of voltage-dependent ion channels to subthreshold resonance. In: 9th Asian Control Conference (ASCC), JUN 23-26, 2013, Istanbul, TURKEY.

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Abstract

Subthreshold resonance has been observed in many excitatory/'inhibitory neurons in the brain and it is suggested that such resonance phenomena play an important role in behavioral or perceptual functions in animals. Various voltage-dependent channels are thought to be involved in the generation of these resonance oscillations. For a compartmental neuron model with Ca2+-dependent K+ channel and low-threshold Ca2+ channel, conductance-based channel dynamics are linearized around equilibrium states and a neuron model can be treated as an equivalent RLC electric circuit, which indicates that the subthreshold resonance may be attributable to inductive properties of voltage-dependent channels. By computer simulation, we examine how parameters of these voltage-dependent channels, such as an equilibrium potential and the amplitude, effect to generate a subthreshold resonance.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:voltage-dependent channel
Subjects:Q Science > QC Physics
Divisions:Malaysia-Japan International Institute of Technology
ID Code:50960
Deposited By: Haliza Zainal
Deposited On:27 Jan 2016 09:53
Last Modified:28 Jul 2017 09:41

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