TABLE 2:

Mean z score for each region between each age generation

	Relative Decrease of rCBF, Age (y)
	60–69 vs 50–59	70–79 vs 60–69	70–79 vs 50–59
Superior frontal gyrus
L	0.80 ± 0.51	1.59 ± 0.45	0.64 ± 0.46
R	0.73 ± 0.59	1.49 ± 0.35	0.67 ± 0.41
Middle frontal gyrus
L	0.60 ± 0.43	1.37 ± 0.32	0.99 ± 0.58
R	0.66 ± 0.53	1.49 ± 0.44	0.66 ± 0.48
Inferior frontal gyrus
L	0.71 ± 0.53	1.97 ± 0.57	1.53 ± 0.72
R	0.53 ± 0.37	1.39 ± 0.38	1.14 ± 0.64
Medial frontal gyrus
L	1.38 ± 0.84	1.62 ± 0.58	1.33 ± 0.99
R	1.37 ± 0.94	1.30 ± 0.16	1.37 ± 0.97
Subcallosal gyrus
L	1.30 ± 1.04	2.08 ± 0.54	1.73 ± 0.59
R	1.47 ± 1.11	1.22 ± 0.13	0.83 ± 0.37
Superior parietal lobule
L	0.24 ± 0.17	1.27 ± 0.17	0
R	0	0	0
Inferior parietal lobule
L	0.12 ± 0.12	1.50 ± 0.35	0.63 ± 0.48
R	0.63 ± 0.55	1.12 ± 0.06	0.56 ± 0.40
Superior temporal gyrus
L	1.19 ± 0.72	1.61 ± 0.43	1.97 ± 0.82
R	1.03 ± 0.69	1.37 ± 0.24	1.33 ± 0.96
Middle temporal gyrus
L	0.95 ± 0.74	1.44 ± 0.34	1.13 ± 0.72
R	0.42 ± 0.28	1.47 ± 0.27	0.82 ± 0.69
Inferior temporal gyrus
L	0.76 ± 0.42	1.56 ± 0.47	0.82 ± 0.45
R	0.92 ± 0.66	1.27 ± 0.19	1.20 ± 0.65
Cuneus
L	1.29 ± 0.92	0	0.71 ± 0.63
R	0.93 ± 0.74	1.08 ± 0.04	0.36 ± 0.28
Lingual gyrus
L	0.70 ± 0.58	0	0.84 ± 0.55
R	0.49 ± 0.47	1.39 ± 0.25	0.70 ± 0.38
Anterior cingulate gyrus
L	1.55 ± 0.61	1.87 ± 0.59	2.51 ± 0.81
R	1.79 ± 0.73	2.02 ± 0.60	2.89 ± 0.99
Posterior cingulate gyrus
L	1.31 ± 1.11	1.40 ± 0.27	1.42 ± 0.70
R	1.20 ± 0.81	1.56 ± 0.26	1.51 ± 0.48
Parahippocampal gyrus
L	0.44 ± 0.24	1.43 ± 0.29	0.97 ± 0.52
R	1.26 ± 0.65	1.73 ± 0.59	0.78 ± 0.45
Superior occipital gyrus
L	0.06 ± 0	0	0
R	0.76 ± 0.28	0	0.29 ± 0.15
Middle occipital gyrus
L	0.47 ± 0.44	0	0.45 ± 0.19
R	0.68 ± 0.39	0	0.56 ± 0.45
Inferior occipital gyrus
L	0	0	0
R	0.05 ± 0	0	0