Intrinsic Rhythmic Fluctuation of Membrane Voltage Evoked by Membrane Noise in the Hodgkin-Huxley System

• Authors: S. Kuang , J. Wang , T. Zeng
• Languages of publication: EN

Abstracts

EN

We study the influence of membrane noise on the fluctuations of membrane voltage in the Hodgkin-Huxley neuronal system for the giant axon of squids. We find that the resting potentials of membrane patches in the absence of any external stimulus, exhibit apparent rhythmic fluctuation behaviors. The intrinsic fluctuation frequencies of membrane voltage, due to channel noise, thermal noise, or both, roughly share the same frequency ranges, despite that the fluctuations arisen from the former noise are overwhelmingly larger in amplitude than that from the latter. We also show that the rhythmic fluctuations can help enhance the encoding of weak signals within the rhythmic frequencies ranges and thus contribute positively to the information processing in the nervous system.

Keywords

EN

05.45.-a; 87.10.-e

Discipline

• 05.45.-a: Nonlinear dynamics and chaos(see also section 45 Classical mechanics of discrete systems; for chaos in fluid dynamics, see 47.52.+j; for chaos in superconductivity, see 74.40.De)
• 87.10.-e: General theory and mathematical aspects

• Journal: Acta Physica Polonica A
• Year: 2010
• Volume: 117
• Issue: 3
• Pages: 435-438

Dates

published

2010-03

received

2009-08-05

Contributors

author

S. Kuang

• School of Science, Wuhan University of Technology, Wuhan 430070, China
• German Primate Center, Kellnerweg 4, 37077 Goettingen, Germany

author

J. Wang

• School of Science, Wuhan University of Technology, Wuhan 430070, China

author

T. Zeng

• School of Science, Wuhan University of Technology, Wuhan 430070, China
• Journal Editorial Department, Jianghan University, Wuhan 430056, China

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Identifiers

DOI

10.12693/APhysPolA.117.435