Fig. 4: Overlapping voxels of reduced FA values and negative correlations between FA values and IL-1β levels in MDD patients.

Axial slices (a–f) of the cohort’s mean FA skeleton (green) overlaid with red clusters depicting overlapping voxels (bilateral inferior fronto-occipital fasciculus [IFOF]: a–c and genu of corpus callosum [GCC]: a–c of the reduced FA values and the negative correlations between FA values and IL-1β levels in MDD patients