Table III.

Slope, intercept, and correlation linear regression coefficients for average sulcal width and depth aging trends

Name	Average sulcal width			Average sulcal depth
	B (mm/decade)	I (mm)	r	B (mm/decade)	I (mm)	r
Superior frontal	0.94	2.3	0.79	−0.59	13.5	−0.60
Inferior frontal	0.76	1.7	0.77	−0.20	12.2	−0.18
Central	0.62	1.1	0.71	−0.33	15.7	−0.50
Post central	0.79	1.9	0.76	−0.44	13.4	−0.48
Intraparietal	0.61	2.5	0.72	−0.61	15.3	−0.63
Occipital	0.45	0.7	0.73	−0.20	9.0	−0.45
Sylvian	0.84	0.8	0.78	−0.58	20.0	−0.41
Sup temporal	0.68	0.4	0.76	−0.58	17.3	−0.49
Inferior temporal	0.50	0.5	0.67	−0.30	10.1	−0.47
Cingulate	0.77	2.1	0.72	−0.25	9.9	−0.50
Parietooccipital	0.80	0.3	0.79	−0.70	17.1	−0.45
Collateral	0.68	0.2	0.83	−0.36	12.0	−0.34
Orbitofrontal	0.81	0.5	0.74	−0.1	5.7	−0.16
Olfactory	0.59	0.0	0.78	−0.2	7.5	−0.36