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Fast and Accurate EEG/MEG BEM-Based Forward Problem Solution for High-Resolution Head Models.
Wartman, William A; Nuñez Ponasso, Guillermo; Qi, Zhen; Haueisen, Jens; Maess, Burkhard; Knösche, Thomas R; Weise, Konstantin; Noetscher, Gregory M; Raij, Tommi; Makaroff, Sergey N.
Afiliación
  • Wartman WA; Dept. of Electrical and Computer Engineering, Worcester Polytechnic Institute, Worcester, MA, USA.
  • Nuñez Ponasso G; Dept. of Electrical and Computer Engineering, Worcester Polytechnic Institute, Worcester, MA, USA.
  • Qi Z; Dept. of Electrical and Computer Engineering, Worcester Polytechnic Institute, Worcester, MA, USA.
  • Haueisen J; Technische Universität Ilmenau, Ilmenau, Germany.
  • Maess B; Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany.
  • Knösche TR; Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany.
  • Weise K; Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany.
  • Noetscher GM; Dept. of Electrical and Computer Engineering, Worcester Polytechnic Institute, Worcester, MA, USA.
  • Raij T; Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
  • Makaroff SN; Dept. of Electrical and Computer Engineering, Worcester Polytechnic Institute, Worcester, MA, USA.
bioRxiv ; 2024 Jun 08.
Article en En | MEDLINE | ID: mdl-38895215
ABSTRACT
A BEM (boundary element method) based approach is developed to accurately solve an EEG/MEG forward problem for a modern high-resolution head model in approximately 60 seconds using a common workstation. The method utilizes a charge-based BEM with fast multipole acceleration (BEM-FMM) and a "smart" mesh pre-refinement (called b-refinement) close to the singular source(s). No costly matrix-filling or direct solution steps typical for the standard BEM are required; the method generates on-skin voltages as well as MEG magnetic fields for high-resolution head models in approximately 60 seconds after initial model assembly. The method is verified both theoretically and experimentally.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: BioRxiv Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: BioRxiv Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos