Interleaved reverse-gradient fMRI (RG-fMRI) with a PSF mapping-based distortion correction scheme has the potential to minimize the loss of signal in regions of rapid susceptibility change. Recently, multi-band imaging was combined to improve the temporal resolution for RG-fMRI, and the initial feasibility was evaluated in human. In this work, breath-holding task-fMRI was performed with the proposed scheme to demonstrate the effectiveness in improving fMRI reliability for each individual and the entire group, especially in high susceptibility brain regions.
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