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EEG-fMRI at 9.4T: Safety assessment and effect on B0, B1 and fMRI scans in a phantom

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Kumar,  VJ
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Buckenmaier,  K
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Pohmann,  R
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Scheffler,  K
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Kumar, V., Buckenmaier, K., Warbrick, T., Wehrle, R., Pohmann, R., & Scheffler, K. (2020). EEG-fMRI at 9.4T: Safety assessment and effect on B0, B1 and fMRI scans in a phantom. Poster presented at 2020 ISMRM & SMRT Virtual Conference & Exhibition.


Cite as: http://hdl.handle.net/21.11116/0000-0006-D894-F
Abstract
Simultaneous EEG-fMRI has been attracting significant attention from neuroscientists for the last 20 years. During these years, EEG-fMRI has been in use to investigate brain at different field strengths. However, so far, there has been no study examining the potential use of EEG during MRI at 9.4T. Therefore, in this study, we used a customized EEG and acquired data with RF heating, gradient heating, B0, B1, and fMRI using a phantom. The results revealed no critical increase in temperature in the EEG. However, there is an observable decrease in B1, which indicates the need for further research in this direction.