Abstract #4082

Slice-wise motion tracking during simultaneous EEG-fMRI

Malte Laustsen^1,2, Mads Andersen³, Patrick M. Lehmann^1,2,4, Rong Xue^5,6,7, Kristoffer H. Madsen^1,8, and Lars G. Hanson^1,2

¹Danish Research Centre for Magnetic Resonance Imaging, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital Hvidovre, Copenhagen, Denmark, ²Center for Magnetic Resonance, DTU Elektro, Technical University of Denmark, Lyngby, Denmark, ³Philips, Copenhagen, Denmark, ⁴Institute of Physics, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale), Germany, ⁵Beijing Institute for Brain Disorders, Beijing, China, ⁶State Key Laboratory of Brain and Cognitive Science, Beijing MR Center for Brain Research, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China, ⁷University of Chinese Academy of Sciences, Beijing, China, ⁸DTU Compute, Technical University of Denmark, Lyngby, Denmark

Slice-wise motion tracking during combined electroencephalography (EEG) and echo planar imaging (EPI) is developed. Using gradient-induced noise on the EEG for tracking, no interleaved navigator modules or additional hardware is needed. The motion parameters are determined after a calibration and training scan. The method is explored in a phantom and in vivo.

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