TABLE II.

BP estimated from different reference tissue models and regional volume of interest data

	BP (mean ± SD; n = 8)
Region	SRTM	MRTM (t* = 0)	MRTM (t* = 50)	MRTM2
Striatum	4.38 ± 0.89	4.36 ± 0.88	4.51 ± 0.90	4.40 ± 0.97
Prefrontal cortex	1.77 ± 0.45	1.77 ± 0.45	1.75 ± 0.45	1.79 ± 0.46
Temporal cortex	1.99 ± 0.42	1.99 ± 0.41	1.96 ± 0.41	1.98 ± 0.42
Parietal cortex	2.06 ± 0.52	2.05 ± 0.51	2.04 ± 0.51	2.06 ± 0.52
Occipital cortex	2.04 ± 0.45	2.04 ± 0.44	2.01 ± 0.43	2.00 ± 0.42
Thalamus	1.15 ± 0.28	1.15 ± 0.28	1.13 ± 0.27	1.16 ± 0.26

SRTM, simplified reference tissue model; MRTM (t* = 0), MRTM (t* = 50): three-parameter multilinear reference tissue model with start times of 0 and 50 min; MRTM2, two-parameter multilinear reference tissue model (t* = 0 min).