Abstract #2046

Sinusoidal Echo-Planar Imaging with Parallel Acquisition Technique for Reduced Acoustic Noise in Auditory FMRI

Jascha Zapp¹, Sebastian Schmitter², Lothar R. Schad¹

¹Computer Assisted Clinical Medicine, Heidelberg University, Mannheim, Germany; ²Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, United States

Acoustic scanner noise causes an unwanted BOLD signal in the auditory cortex during fMRI and also poses a safety issue. Conventional EPI produces high sound pressure level (SPL) due to fast switching of trapezoidal gradients.