Table I.

Gyral gray matter thickness, sulcal and gyral spans were calculated for five cortical regions per hemisphere based on 12 primary and secondary sulcal structures per hemisphere

Region	Sulcal structures and brodmann areas (BA)
Superior frontal/anterior cingulate	Superior frontal sulcus (BA 46/9/8); anterior cingulate sulcus(BA 24/32)
Primary somatosensory	Pre‐central sulcus; postcentral sulcus; central sulcus (BA 6/4/3/1/2)
Parietal/post.cingulate	Intraparietal fissure (BA 19/39); posterior cingulate sulcus (BA 23/31)
Temporal	Superior temporal sulcus (BA22/21); collateral sulci(BA20/36)
Occipital	Occipital/calcarine sulci(BA 17/18); parietaloccipital fissure(BA 7/19)