Table 2.

Center of mass for voxel-by-voxel t test between wake and deep-sleep maps of correlations with PCC seed

Region	Talairach coordinates			Cluster size (mm3)	Peak t value
	x	y	z
Areas significantly more correlated with PCC during wake (positive t values)
R. medial frontal gyrus/BA10/anterior cingulate	13	49	7	3,413	5.26
R. middle frontal gyrus	24	12	43	1,289	6.67
L. caudate body	−10	8	19	900	5.58
L. anterior cingulate	−5	36	22	881	7.66
L. insula	−39	−20	23	612	5.98
R. red nucleus	3	−25	−14	504	6.04
L. precentral gyrus/middle frontal gyrus	−30	13	35	419	4.66
R. fusiform gyrus	43	−41	−10	353	4.89
R. posterior cingulate	4	−47	25	325	4.72
R. inferior frontal gyrus	24	13	−13	262	4.68
Areas significantly more correlated with PCC during deep sleep (negative t values)
L. fusiform gyrus/parahippocampal gyrus	−27	−52	−8	1200	−8.29
R. lingual gyrus	14	−85	−10	1122	−6.38
R. inferior occipital gyrus	38	−78	−4	930	−6.67
R. pre-central gyrus/BA4	33	−27	57	641	−6.60
R. precuneus/angular gyrus	27	−53	40	472	−4.27
L. precuneus	−13	−65	42	270	−4.68

Threshold t = ±3.5, cluster 250 voxels (1 × 1 × 1 mm³).