TABLE 4

Regional BP_ND Values from Parametric Maps

	SRTM			SRTM2
Region	Average^*	ΔBP_ND^†	ICC^‡	Average^*	ΔBP_ND^†	ICC^‡
Caudate	2.0 ± 0.1 (7%)	−3% ± 9% (8%)	0.92 (0.68; 0.98)	1.9 ± 0.2 (10%)	−3% ± 10% (9%)	0.91 (0.65; 0.98)
Putamen	2.6 ± 0.2 (8%)	−4% ± 11% (9%)	0.63 (−0.01;0.91)	2.5 ± 0.2 (9%)	−4% ± 11% (9%)	0.59 (−0.07; 0.90)
Pallidum	3.3 ± 0.5 (15%)	−4% ± 11% (7%)	0.76 (0.23; 0.95)	3.2 ± 0.6 (18%)	−5% ± 12% (8%)	0.76 (0.24; 0.95)
Ventral striatum	3.8 ± 0.4 (10%)	−1% ± 11% (9%)	0.80 (0.33; 0.96)	3.5 ± 0.5 (13%)	−2% ± 12% (8%)	0.80 (0.34; 0.96)
Amygdala	0.32 ± 0.07 (23%)	−11% ± 24% (21%)	0.32 (−0.40; 0.81)	0.27 ± 0.08 (28%)	−12% ± 28% (24%)	0.30 (−0.42; 0.80)
SN	1.8 ± 0.3 (16%)	−9% ± 12% (11%)	0.94 (0.77; 0.99)	1.6 ± 0.4 (24%)	−11% ± 14% (12%)	0.95 (0.79; 0.99)
Thalamus	0.40 ± 0.12 (29%)	−1% ± 21% (15%)	0.71 (0.14; 0.93)	0.36 ± 0.09 (25%)	−1% ± 20% (15%)	0.50 (−0.20; 0.87)
Hypothalamus	1.6 ± 0.6 (36%)	−8% ± 22% (17%)	0.54 (−0.15; 0.88)	1.3 ± 0.6 (46%)	−9% ± 21% (16%)	0.61 (−0.05; 0.91)

↵* n = 5 HCs; data are presented as mean ± SD (relative SD) across subjects.
↵† n = 8 subjects; data are presented as m(∆BP_ND) ± σ(∆BP_ND) (m(|∆BP_ND|)).
↵‡ n = 8 subjects; ICC is presented as estimate, with lower and upper bounds of 95% confidence interval in parentheses.