Potential Field from an Active Nerve in an Inhomogeneous, Anisotropic Volume Conductor - The Inverse Problem

A previously described, forward solution for the problem of determining surface potentials on a long circular limb arising from electrical nerve activity within the limb is used to solve the inverse problem, namely, the recovery of source nerve potentials from limb surface potentials. The inverse pr...

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Bibliographic Details
Published in:IEEE transactions on biomedical engineering 1985-12, Vol.BME-32 (12), p.1042-1051
Main Authors: Wilson, Owen B., Clark, John W., Ganapathy, Nirmala, Harman, T. L.
Format: Article
Language:English
Subjects:
Animals
Anisotropic magnetoresistance
Biological and medical sciences
Conductors
Digital filters
Electrodes
Electrodiagnosis. Electric activity recording
Extremities - innervation
Filtering theory
Geometry
Inverse problems
Investigative techniques, diagnostic techniques (general aspects)
Mathematics
Medical sciences
Membrane Potentials
Miscellaneous. Technology
Models, Neurological
Noise measurement
Nonuniform electric fields
Peripheral Nerves - physiology
Position measurement
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Description
Summary:A previously described, forward solution for the problem of determining surface potentials on a long circular limb arising from electrical nerve activity within the limb is used to solve the inverse problem, namely, the recovery of source nerve potentials from limb surface potentials. The inverse problem is solved by means of a two-dimensional (2-D) digital filter which has the advantages of simplicity, speed, and ease of implementation compared to any other solution method.
ISSN:0018-9294
1558-2531
DOI:10.1109/TBME.1985.325513