Fig. 1: Location of voxels of interest (VOIs).

VOIs were positioned in the a left basal ganglia to include the head of the caudate, putamen and internal capsule (20 × 25 × 35 mm3) and b left dorsolateral frontal white matter (20 × 16 × 24 mm3).

VOIs were positioned in the a left basal ganglia to include the head of the caudate, putamen and internal capsule (20 × 25 × 35 mm3) and b left dorsolateral frontal white matter (20 × 16 × 24 mm3).