Influence of head models on neuromagnetic fields and inverse source localizations |
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| Authors: | Ceon Ramon Jens Haueisen Paul H Schimpf |
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| Affiliation: | (1) Department of Electrical Engineering, University of Washington, Seattle, WA 98195, USA;(2) Institute of Biomedical Engineering and Informatics, Technical University Ilmenau, Germany;(3) School of Electrical Engineering and Computer Science, Washington State University, Spokane, WA 99202, USA |
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| Abstract: | Background The magnetoencephalograms (MEGs) are mainly due to the source currents. However, there is a significant contribution to MEGs from the volume currents. The structure of the anatomical surfaces, e.g., gray and white matter, could severely influence the flow of volume currents in a head model. This, in turn, will also influence the MEGs and the inverse source localizations. This was examined in detail with three different human head models. |
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