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. Author manuscript; available in PMC: 2023 Oct 27.
Published in final edited form as: Neuroimage. 2020 Dec 7;227:117617. doi: 10.1016/j.neuroimage.2020.117617

Fig. 6.

Fig. 6

Profiles of T2 estimates by using the direction-averaged approach for three well-known bundles: the central parts of the Corticospinal Tract (CST) and the Corpus Callosum (CC), and Arcuate Fasciculus (AF). In the top row of the figure, the three bundles are merged. The orange ovals highlight regions containing a single bundle population, the blue ovals highlight two-bundle populations, and the purple ovals highlight the crossing of all three bundles. The bottom part of the figure shows the profile of the estimated T2s along the CST, CC, and AF bundles, respectively. The profile has been calculated based on the centroid of the bundle; we numbered each voxel of the centroid, then we calculate the distance from each voxel of the bundle mask to the centroid; finally, we calculate the mean of all the voxels associated with each voxel of the centroid. The estimates of intra-axonal T2 from COMMIT-T2 are shown by the dashed line as a reference.