Silent Sparse Sampling for Auditory FMRI

Todd Parrish¹, Vibhas Deshpande², Yu Fen Chen³

The goal of this study is to develop a truly silent sparse sampling method for auditory fMRI. By using a constant gradient during the silent period and playing the RF at the appropriate timing, the steady sate magnetization is maintained. Then a standard EPI module is played to capture the BOLD signal response. A burst sparse sampling is applied to make the sparse sampling more efficient. This will improve auditory fMRI investigations or simplified clinical applications without the need for a visual presentation.