Table III.

Thicker cortex in high ‐ than in low‐performing older adults: most significant ROIs (P < 0.005 across > 30 mm² and including vertices at P < 0.001, see Fig. 2)

ROI	Gyrus	BA	Anatomical definition	Talairach coordinates	Peak P‐value	ROI size on average surface (mm2)
Right SFG	Superior frontal	6/8	Premotor cortex	20, 19, 51	0.0002	196.7
Right SPG	Superior parietal	5/7	Somatosensory associatation cortex	17, −38, 63	0.0001	138.6
Right PCG	Poscentral	1/2/3	Primary somatosensory cortex	9, −33, 71	0.0002	136.3
Right preCG	Precentral	4	Primary Motor Cortex	39, −5, 52	0.0003	99.9
Right IPG	Inferior parietal	7	Somatosensory associatation cortex	42, −49, 41	0.0006	84.9
Right OBF	Orbitofrontal	45/47/11	Orbitofrontal cortex	24, 30, −10	0.0004	64.1
Right iCING	Isthmus cingulated	23/30	Posterior cingulate cortex	7, −49, 18	0.0009	43.1
Left mSFG	Medial superior frontal	6	Supplementary motor cortex	−7, −5, 50	0.0002	184.9
Left SPG	Superior parietal	7	Somatosensory associatation cortex	−26, −58, 46	0.0002	169.0
Left MFG	Middle frontal	46	Dorsolateral PFC	−26, 47, 1	0.0009	77.1