Table 4.

Deactivation clusters and peak coordinates

Cluster index	Cluster size	Z	x	y	z	Location
6	6157	5.55	−2	−90	26	L medial occipital pole/cuneus (LOcc)
6		4.98	−2	−88	30	R cuneus/occipital pole
6		4.69	2	−72	26	L cuneus/precuneus
6		4.51	−12	−90	28	L occipital pole
6		4.28	0	−80	42	Precuneus (Precun)
6		4.27	4	−82	40	L cuneus/precuneus
5	3448	4.43	−20	50	26	L frontal pole
5		4.12	−26	54	20	L frontal pole
5		4.03	2	52	10	Paracingulate/frontal pole (mPFC)
5		3.87	−22	42	22	L frontal pole
5		3.65	−34	34	30	L middle frontal gyrus/frontal pole
5		3.56	−30	36	28	L middle frontal gyrus/frontal pole
4	3307	4.55	60	−46	32	R angular/supramarginal gyrus (RPar)
4		4.25	50	−26	−12	R middle temporal gyrus
4		4.2	66	−46	32	R supramarginal/angular
4		3.87	58	−30	26	R parietal operculum/supramarginal
4		3.73	56	−48	44	R angular/supramarginal gyrus
4		3.62	58	−40	0	R middle temporal gyrus
3	2831	3.47	−62	−46	14	L supramarginal/angular (LPar)
3		3.42	−62	−40	38	L supramarginal
3		3.39	−66	−36	28	L supramarginal
3		3.38	−62	−26	8	L supramarginal
3		3.36	−54	12	−4	L temporal pole
3		3.31	−60	−36	24	L parietal operculum
2	1840	3.91	−42	−22	50	L postcentral
2		3.51	−32	−28	62	L postcentral
2		3.35	−42	−38	62	L postcentral
2		3.26	−46	−32	56	L postcentral
2		3.15	−34	−36	68	L postcentral
2		3.15	−28	−44	52	L superior parietal
1	1777	4.06	26	44	30	R frontal pole
1		3.65	24	56	28	R frontal pole
1		3.63	30	48	26	R frontal pole
1		3.39	22	58	22	R frontal pole
1		3.33	36	46	28	R frontal pole
1		3.29	28	56	20	R frontal pole

Note: Significant task-negative clusters from the one-sample t-test of young and old subjects are listed. Peaks selected for subsequent ROI analyses are bolded and italicized. L, left, R; right.