Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2025 Jan-Feb;18(1):128-130.
doi: 10.1016/j.brs.2024.11.011. Epub 2025 Jan 2.

A BEM-FMM TMS coil designer using MATLAB platform

Affiliations

A BEM-FMM TMS coil designer using MATLAB platform

Dexuan Tang et al. Brain Stimul. 2025 Jan-Feb.
No abstract available

Keywords: Boundary element fast multipole method (BEM-FMM); TMS coil array modeling and design; TMS coil modeling and design; Transcranial magnetic stimulation (TMS); User interface.

PubMed Disclaimer

Conflict of interest statement

Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Figures

Figure 1.
Figure 1.
a). Typical workflow with centerline extraction; b). E-field magnitude just inside a sphere center by an H-Coil in V/m c). Plane fields set up for a three-axis coil radiator; d). The resulting E-field magnitude in the plane defined in Fig. 1c in V/m; e). Example of coil array import into full-scale TMS software. Center of a 5 cm wide ROI is marked by a blue sphere; f)-i). Electric field magnitude within the ROI when X (red in Fig. 1e) and Y (green in Fig. 1e) windings of radiator #1 and #2, respectively, are driven independently and with the same current strength; j). Experimental comparison setup with the NKI E-field probe under a MagVenture C-B60 coil; k). Observation points over the sphere; l). Dominant field component for each observation point.

References

    1. Drakaki M, Mathiesen C, Siebner HR, Madsen K, and Thielscher A. Database of 25 validated coil models for electric field simulations for TMS. Brain Stimulation 2022;15:697–706. doi: - PubMed
    1. Köhler M and Götz S. TMS coil design instrument (Kl/Codein Box): A toolbox for creating user-defined coils from conductor path data. Brain Stimulation 2023;16:698–700. doi: 10.1016/j.brs.2023.02.011. - DOI - PubMed
    1. Au O KC, Tai C-L, Chu H-K, Cohen-Or D, Lee T-Y. 2008. Skeleton extraction by mesh contraction. ACM Trans. Graph. 27, 3 (August 2008), 1–10. 10.1145/1360612.1360643 - DOI
    1. Makarov SN, Wartman WA, Daneshzand M, Fujimoto K, Raij T, Nummenmaa A. A software toolkit for TMS electric-field modeling with boundary element fast multipole method: an efficient MATLAB implementation. J Neural Eng. 2020. Aug 4;17(4):046023. doi: 10.1088/1741-2552/ab85b3. . - DOI - PubMed
    1. Morales L, Wartman WA, Ferreira J, Miles A, Daneshzand M, Lu H, Nummenmaa AR, Deng ZD, Makaroff SN. Software Package for Transcranial Magnetic Stimulation Coil and Coil Array Analysis and Design. bioRxiv [Preprint]. 2023. Aug 21:2023.08.20.554037. doi: 10.1101/2023.08.20.554037. . - DOI

LinkOut - more resources