Electric field calculation and peripheral nerve stimulation prediction for head and body gradient coils.

ABSTRACT:

Purpose

To demonstrate and validate electric field (E-field) calculation and peripheral nerve stimulation (PNS) prediction methods that are accurate, computationally efficient, and that could be used to inform regulatory standards.

Methods

We describe a simplified method for calculating the spatial distribution of induced E-field over the volume of a body model given a gradient coil vector potential field. The method is easily programmed without finite element or finite difference software, allowing for straightforward and computationally efficient E-field evaluation. Using these E-field calculations and a range of body models, population-weighted PNS thresholds are determined using established methods and compared against published experimental PNS data for two head gradien

SUBMITTER: Roemer PB 

PROVIDER: S-EPMC8651073 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature