The findings of meta-analysis on structural changes by pain-related regions: White matter.

See Table 3 for the abbreviations of the brain regions. The asterisk denotes that the finding was derived from a ROI-specific analysis. Downward arrows denote negative changes (without showing the sub-region of the change). a, anterior; m, mid; i, inferior; s, superior.1The brain regions affected by the white matter tracts, inferred from the Discussion; 2white matter volume.