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Effect of head rotation and k‐space coverage on the occurrence of the artifact in repeated scans of the same subject. (A) Raw diffusion data. Diffusion gradient direction was (x, y, z) = (0.9, −0.42, 0.11) (B) DEC map with original settings, (C) DEC map using full k‐space coverage, and (D) DEC map with altered head position.
