Recent study demonstrated a multiple and ultrashort echo time (multi-UTE) MRI method for direct detection of methylene protons in myelin membranes on normal brains. However, such multi-UTE MRI requires prohibitively long scan time; therefore, acceleration method is needed. The objective of this study was to accelerate the multi-UTE imaging in order to reduce the scan time and enable such measurements routinely on our 7T human MRI.
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