Table 3.

Factor Analysis of SERT data in MCI and Controls

	Factor 1		Factor 2
	Cortical DASB		Subcortical DASB
Region of Interest	Loading	Bootstrap CI	Loading	Bootstrap CI	h2
Postcentral	0.99	(0.70 – 1.22)	−0.07	(−0.42 – 0.38)	0.90
Paracentral	0.99	(0.71 – 1.20)	−0.14	(−0.50 – 0.32)	0.83
Cuneus	0.99	(0.67 – 1.23)	−0.02	(−0.37 – 0.48)	0.95
Precuneus	0.98	(0.67 – 1.22)	−0.01	(−0.35 – 0.46)	0.95
Superior Parietal	0.97	(0.66 – 1.21)	−0.05	(−0.39 – 0.44)	0.89
Superior Frontal	0.96	(0.65 – 1.21)	−0.04	(−0.43 – 0.46)	0.88
Pars Triangularis	0.95	(0.67 – 1.19)	−0.05	(−0.43 – 0.39)	0.84
Precentral	0.94	(0.63 – 1.21)	−0.02	(−0.42 – 0.47)	0.86
Rostral Middle Frontal	0.93	(0.63 – 1.18)	0.02	(−0.32 – 0.45)	0.88
Pars Opercularis	0.92	(0.63 – 1.18)	0.05	(−0.30 – 0.48)	0.90
Frontal Pole	0.89	(0.58 – 1.14)	−0.10	(−0.43 – 0.34)	0.70
Caudal Middle Frontal	0.87	(0.51 – 1.20)	0.05	(−0.39 – 0.58)	0.81
Supramarginal	0.86	(0.57 – 1.13)	0.11	(−0.23 – 0.54)	0.87
Posterior Cingulate	0.86	(0.59 – 1.12)	0.09	(−0.26 – 0.50)	0.85
Pars Orbitalis	0.85	(0.57 – 1.10)	0.03	(−0.29 – 0.43)	0.76
Lingual	0.81	(0.43 – 1.18)	0.09	(−0.52 – 0.77)	0.76
Inferior Parietal	0.74	(0.43 – 1.04)	0.23	(−0.11 – 0.66)	0.81
Lateral Occipital	0.73	(0.35 – 1.12)	0.20	(−0.35 – 0.81)	0.76
Superior Temporal	0.73	(0.43 – 1.04)	0.26	(−0.09 – 0.67)	0.83
Pericalcarine	0.70	(0.32 – 1.08)	0.10	(−0.53 – 0.79)	0.59
Ventral Diencephalon	−0.07	(−0.36 – 0.36)	0.97	(0.71 – 1.18)	0.87
Amygdala	0.06	(−0.23 – 0.52)	0.90	(0.58 – 1.11)	0.88
Dorsal Raphe Nucleus	−0.21	(−0.46 – 0.19)	0.89	(0.56 – 1.18)	0.61
Pallidum	0.06	(−0.24 – 0.52)	0.88	(0.53 – 1.11)	0.84
Hippocampus	0.22	(−0.06 – 0.64)	0.77	(0.38 – 1.09)	0.85
Putamen	0.19	(−0.11 – 0.64)	0.74	(0.38 – 1.01)	0.76
Caudate	0.24	(−0.01 – 0.63)	0.71	(0.41 – 0.96)	0.78

h2 = communality. Loadings > 0.40 are presented in bold typeface. Bootstrap confidence intervals (CI) were estimated with 1000 iterations.