Fig. 3. Time by group interaction of gray matter (GM) volume in the significant clusters. Error bars represent standard error (SE). Panel A: Anterior cingulate cortex (ACC) Cluster 1; Panel B: Right middle frontal gyrus (BA 9/10) Cluster 2; Panel C: Left middle frontal gyrus (BA 9/10) Cluster 3; Panel D: Cerebellar crus I/II Cluster 4; Panel E: Right middle frontal gyrus (BA 8) Cluster5; Panel F: Cerebellar VI Cluster 6; Panel G: Nucleus accumbens Cluster 7