Meeting Banner
Abstract #2841

Ink-Net: Safe 256 Channel EEG at 7T

Daniel G. Wakeman1, Boris Keil1, Bill McSwain2, Maria Ida Iacono1, Catherine Poulsen2, Giorgio Bonmassar1

1A.A. Martinos Center for Biomedical Imaging, Harvard Medical School, Radiology, Massachusetts General Hospital, Charlestown, MA, United States; 2Electrical Geodesics, Inc., Eugene, OR, United States

We show safety testing of a new 256 channel EEG device at 7T. Previous studies have shown that high density EEG caps in high field strength MRI (3 & 7T can generate high SAR. We performed SAR simulations and Temperature measurements on a conductive phantom to test the risk of heating.

Keywords

absorption acquisition added administration allowing amplifier array audience bill biomedical border caps channel coil coils combination commission compatibility conductive conductivities connected constructed degree density designers device displayed domain drug electrical electrically electromagnetic engineers evaluate exceeded field film finite food general generate geodesics head heating hemisphere hospital hour induced influenced inner international layout limits location maria mastoid materials maximize medical model must never officers peak polymer potential previous probes properties radiology receive recordings safe safety scanning school shield shoulders simulate simulated simulations simultaneously slightly studies suggesting table target temperature thick tissue traces transmit various whole