Biological Cybernetics

, Volume 38, Issue 1, pp 1–8 | Cite as

Autorhythmicity and entrainment in excitable membranes

  • A. V. Holden
Article
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Abstract

Low calcium increases the excitability of neurones and can induce autorhythmicity in excitable cells. Numerical solutions of the Hodgkin-Huxley membrane equations, and numerical evaluations of the small-signal impedance and admittance are used to illustrate the increase in resonance produced by low [Ca2+]0. The resonant frequency may be located either by the peak of the amplitude of the impedance, or by the frequency at which the phase angle is zero for 1:1 entrained action potentials. Autorhythmicity is produced by any mechanism which increases the resonant peak of the amplitude of the membrane impedance.

Keywords

Calcium Resonant Frequency Phase Angle Numerical Evaluation Resonant Peak 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag 1980

Authors and Affiliations

  • A. V. Holden
    • 1
  1. 1.Department of PhysiologyUniversity of LeedsLeedsEngland

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