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Abstract #3666

Silent High Resolution Echo-Planar Imaging for Auditory FMRI

Jascha Zapp1, Sebastian Schmitter2, Lothar R. Schad1

1Computer Assisted Clinical Medicine, Faculty of Medicine Mannheim, University of Heidelberg, Mannheim, Germany; 2Medical Physics in Radiology, German Cancer Research Center, Heidelberg, Germany

In fMRI, acoustic scanner noise causes an unwanted BOLD signal in the auditory cortex. High resolution imaging using EPI with PAT produces high sound pressure level (SPL) due to fast switching of trapezoidal gradients.