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Abstract #2287

RF safety simulation of 128-channel EEG net on a 29-month-old whole-body model at 3T

Hongbae Jeong1,2 and Giorgio Bonmassar1,2
1Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, United States, 2Department of Radiology, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States

In this study, RF heating of an EEG on a 29-month-old whole-body voxel model in a 3T MRI was studied with numerical simulation using Sim4Life. 128-channel EEG leads and electrodes were drawn on the head of the 29-month-old voxel model, and the position of the EEG electrodes was estimated from the 3D scan of the EEG net. The 10gSARmax and the SARhead were assessed in the model with and without the EEG net in birdcage transmit body coil at 3T. In both cases, estimated results of SAR were well-below the RF safety limit in the international standard.

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