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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: J Neuroimaging. 2018 Jan 10;28(2):173–182. doi: 10.1111/jon.12485

Fig 2.

Fig 2

Mean absolute displacement measurement within anatomical tracts.

Steps used to obtain measurements of the absolute displacement within the corticospinal tract (CST) and the arcuate fasciculus (AF, not shown). Each diffusion-weighted image (DWI) (A) underwent image distortion correction. From the distortion correction along the phase encoding direction, a deformation field (B) was obtained. The grayscale value indicates the amount of displacement with −15 mm in black and +15 mm in white. (C) Whole-brain tractography was performed on every distortion corrected volume and anatomical tracts such as CST (D) and AF were obtained. Within each of the tracts, we quantified the mean absolute displacement derived from the deformation field (E).