The magnetic field of a single axon: A volume conductor model

A volume conductor model is used to determine the magnetic field associated with a propagating action potential in an isolated nerve axon. Both the forward problem of calculating the magnetic field from the transmembrane potential and the inverse problem of calculating the transmembrane potential fr...

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Bibliographic Details
Published in:Mathematical biosciences 1985-01, Vol.76 (1), p.1-36
Main Authors: Woosley, James K., Roth, Bradley J., Wikswo, John P.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Isolated neuron and nerve. Neuroglia
Vertebrates: nervous system and sense organs
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Summary:A volume conductor model is used to determine the magnetic field associated with a propagating action potential in an isolated nerve axon. Both the forward problem of calculating the magnetic field from the transmembrane potential and the inverse problem of calculating the transmembrane potential from the magnetic field are examined. The dependence of the model on all parameters is investigated, and the model is used to study both the axial current in the axon and the ionic current through the axon membrane.
ISSN:0025-5564
1879-3134
DOI:10.1016/0025-5564(85)90044-6