Accurate TMS Head Modeling: Interfacing SimNIBS and BEM-FMM in a MATLAB-Based Module

Guilherme B Saturnino, William A Wartman, Sergey N Makarov, Axel Thielscher

Abstract

We interface the head modelling, coil models, Graphical User Interface (GUI), and post-processing capabilities of the SimNIBS package with the boundary element fast multipole method (BEM-FMM), implemented in a MATLAB-based module. The resulting pipeline combines the best of both worlds: the individualized head modelling and ease-of-use of SimNIBS with the numerical accuracy of BEM-FMM. The corresponding TMS (transcranial magnetic stimulation) modeling package is developed and made available online. It imports a SimNIBS surface segmentation and a coil field, and then exports electric-field values in selected surfaces or volumes. Additional information is also made available, such as discontinuous compartment surface electric fields and associated surface electric charge distributions.

OriginalsprogEngelsk
Titel42nd Annual International Conferences of the IEEE Engineering in Medicine and Biology Society, EMBC 2020
Antal sider4
ForlagInstitute of Electrical and Electronics Engineers Inc.
Publikationsdatojul. 2020
Sider5326-5329
Artikelnummer9175802
ISBN (Trykt)978-1-7281-1991-5
ISBN (Elektronisk)978-1-7281-1990-8
DOI
StatusUdgivet - jul. 2020

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