Table 4.

Age-related decline in gray matter volume.

ROI	Hemi	GID	Gray matter volume (cc)	Percent change	p value (difference)	FDR
Ventral PM	Left	Younger	1.86	−22.47	0.00037	*
	Left	Older	1.44
	Right	Younger	1.64	−19.69	0.00239	*
	Right	Older	1.32
SMA- proper	Left	Younger	3.05	−20.18	0.00128	*
	Left	Older	2.44
	Right	Younger	3.47	−21.96	0.00016	*
	Right	Older	2.71
Posterior SFG	Left	Younger	2.38	−24.85	0.00007	*
	Left	Older	1.78
	Right	Younger	2.13	−21.22	0.00236	*
	Right	Older	1.68
PT	Left	Younger	1.12	−7.01	0.19119	n.s.
	Left	Older	1.04
	Right	Younger	.80	−3.94	0.34774	n.s.
	Right	Older	.77
TTS	Left	Younger	.55	−7.12	0.13462	n.s.
	Left	Older	.51
	Right	Younger	.46	−11.07	0.05231	n.s.
	Right	Older	.41
Middle STS	Left	Younger	2.89	−18.82	0.00276	*
	Left	Older	2.35
	Right	Younger	3.41	−7.64	0.11521	n.s.
	Right	Older	3.15
aOTS	Left	Younger	2.05	−24.98	0.00802	*
	Left	Older	1.54
	Right	Younger	2.05	−23.32	0.00229	*
	Right	Older	1.57
OPole	Left	Younger	3.22	−0.08	0.49458	n.s.
	Left	Older	3.22
	Right	Younger	5.38	−10.87	0.02360	*
	Right	Older	4.79