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. 2022 Jan 14;15:799576. doi: 10.3389/fnins.2021.799576

FIGURE 1.

FIGURE 1

Color encoded maps of white matter fiber directions (red = left/right; green = anterior/posterior; blue = superior/inferior). Colored regions indicate white matter locations with: (A) at least one fiber population (and the orientation of the main bundle); (B) at least two fiber populations (and the orientation of the secondary bundle); and (C) at least three fiber populations (and the orientation of the tertiary bundle). Even a cursory visual comparison of (A,B) reveals that most white matter regions contain at least two fiber populations with different orientations (i.e., crossing fibers), and a closer inspection of (A,C) reveals a non-trivial number of regions with three or more fiber populations with different orientations. (Note: Figure modified and reproduced with permission from Dr. Ben Jeurissen and John Wiley and Sons Publishers via the Copyright Clearance Center. Original version published in Jeurissen et al., 2013).