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Simulation of Multipolar Fiber Selective Neural Stimulation Using Intrafascicular Electrodes by J.H. Meier; W.L.C. Rotten; A.E. Zoutman; H.B.K. Boom; P. Bergveld is a Engineering article available to read on EtoBox.

What is Simulation of Multipolar Fiber Selective Neural Stimulation Using Intrafascicular Electrodes about?

A realistic, quantitative model is presented for the excitation of myelinated nerve fibers by intrafascicular electrodes. It predicts the stimulatory regions of any configuration of any number of electrodes, positioned anywhere inside the fascicle. The model has two parts. First, the nerve fiber is represented by a lumped electrical network and its response to an arbitrary extracellular potential field is calculated. Second, assuming a cylindrical geometry of the nerve bundle and its surroundings, an analytical expression for this field is derived. With realistic parameters, the model is applied to two cases: monopolar stimulation by a single cathode and stimulation by a specific tripolar configuration. It is shown that tripolar stimulation has the better spatial selectivity. Also tripolar stimulation is less sensitive to the conductivity of the medium surrounding the nerve and yields a more natural recruitment order.

Who reads Simulation of Multipolar Fiber Selective Neural Stimulation Using Intrafascicular Electrodes?

Author

J.H. Meier; W.L.C. Rotten; A.E. Zoutman; H.B.K. Boom; P. Bergveld

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Published

1992

Language

EN

Field

Engineering (Physical Sciences)