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Arterial spin labeling (ASL) derived cerebral blood flow (CBF). Mean CBF from 57 participants is displayed for PASL and pCASL with and without DVARS weighting. (A) Unweighted (uw) PASL. (B) uw-pCASL. (C) Weighted (w) PASL. (D) w-pCASL. White voxels indicate computed CBF values less than 0. PASL, pulsed ASL; pCASL, pseudo-continuous ASL.
