Table 2.

Rate constants and distribution volumes for the single-tissue model (1TC) using arterial input.

Region	Mean ± SD
	K1 (mL/min/g)	k2 (1/min)	VT (mL/g)
Locus Cereleus	0.027 ± 0.004	0.010 ± 0.002	2.67 ± 0.63
Red Nucleus	0.033 ± 0.009	0.013 ± 0.004	2.55 ± 0.31
Thalamus	0.044 ± 0.008	0.018 ± 0.002	2.42 ± 0.40
Midbrain Raphe	0.034 ± 0.007	0.015 ± 0.004	2.34 ± 0.67
Putamen	0.049 ± 0.009	0.022 ± 0.003	2.28 ± 0.33
Frontal Lobe	0.042 ± 0.007	0.020 ± 0.001	2.08 ± 0.23
Caudate	0.042 ± 0.007	0.021 ± 0.001	1.98 ± 0.32
Occipital lobe	0.048 ± 0.007	0.025 ± 0.002	1.91 ± 0.17
Cerebellum	0.043 ± 0.010	0.023 ± 0.002	1.83 ± 0.28