Cylindrical Tissue Model for MagneticF ield Stimulation of Neurons: Effects of Coil Geometry

Kara P. Esselle; Maria A. Stuchly

doi:10.1109/10.412660

Cylindrical Tissue Model for MagneticF ield Stimulation of Neurons: Effects of Coil Geometry

Kara P. Esselle, Maria A. Stuchly

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

An analytical solution for the electric field induced in a homogeneous cylindrical conductor under quasi-static conditions from current in a coil is used to model peripheral nerve stimulation with magnetic fields. A variety of coil geometries is analyzed in terms of the spatial derivative of the induced electric field along a long straight nerve, parallel to the axis, in a human-arm model. The results of these computations are found to be in general agreement with conclusions regarding the optimization of stimulating coils derived from analyses of the semi-infinite tissue model. The differences and their physical basis are pointed out.

Original language	English
Pages (from-to)	934-941
Number of pages	8
Journal	IEEE Transactions on Biomedical Engineering
Volume	42
Issue number	9
DOIs	https://doi.org/10.1109/10.412660
Publication status	Published - 1995

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abstract = "An analytical solution for the electric field induced in a homogeneous cylindrical conductor under quasi-static conditions from current in a coil is used to model peripheral nerve stimulation with magnetic fields. A variety of coil geometries is analyzed in terms of the spatial derivative of the induced electric field along a long straight nerve, parallel to the axis, in a human-arm model. The results of these computations are found to be in general agreement with conclusions regarding the optimization of stimulating coils derived from analyses of the semi-infinite tissue model. The differences and their physical basis are pointed out.",

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AB - An analytical solution for the electric field induced in a homogeneous cylindrical conductor under quasi-static conditions from current in a coil is used to model peripheral nerve stimulation with magnetic fields. A variety of coil geometries is analyzed in terms of the spatial derivative of the induced electric field along a long straight nerve, parallel to the axis, in a human-arm model. The results of these computations are found to be in general agreement with conclusions regarding the optimization of stimulating coils derived from analyses of the semi-infinite tissue model. The differences and their physical basis are pointed out.

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Cylindrical Tissue Model for MagneticF ield Stimulation of Neurons: Effects of Coil Geometry

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