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Abstract #0782

Invisible dense-array EEG net for simultaneous EEG-PET/MR imaging

Christin Y. Sander 1,2 , Ciprian Catana 1 , Aijun Zhu 1 , Cathy Poulsen 3 , Bruce R. Rosen 1,4 , and Giorgio Bonmassar 1

1 A. A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, United States, 2 Electrical Engineering, Massachusetts Institute of Technology, Cambridge, MA, United States, 3 Electrical Geodesics, Inc., Eugene, OR, United States, 4 Health Sciences and Technology, Harvard-MIT, Cambridge, MA, United States

The simultaneous acquisition of non-invasive human brain imaging techniques, including EEG, PET and fMRI can give insights into the connections between neuronal activity, receptor occupancy and function. However, standard dense-array EEG caps can cause artifacts in both MR and PET images, making simultaneous imaging a challenge. We thus designed a 256-electrode EEG cap based on conductive polymers, and demonstrate its superior performance in RF invisibility and reduced photon attenuation for the use of simultaneous EEG-PET/MR imaging.

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