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  • Title: Nonlinear cable equations for axons. I. Computations and experiments with internal current injection.
    Author: Arispe NJ, Moore JW.
    Journal: J Gen Physiol; 1979 Jun; 73(6):725-35. PubMed ID: 479812.
    Abstract:
    Steady-state potential and current distributions resulting from internal injection of current in the squid giant axon have been measured experimentally and also computed from nonlinear membrane cable equation models by numerical methods, using the Hodgkin-Huxley equations to give the membrane current density. The solutions obtained by this method satisfactorily reproduce experimental measurements of the steady-state distribution of membrane potential. Computations of the input current-voltage characteristic for a nonlinear cable were in excellent agreement with measurements on axons. Our results demonstrate the power of Cole's equation to extract the nonlinear membrane characteristics simply from measurement of the input resistance.
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