Current study

Liu et al.

ppm

Mean ± SD

Mean ± SD

Globus pallidus

0.11 ± 0.10

0.19 ± 0.02

Putamen

0.06 ± 0.05

0.08 ± 0.02

Red nucleus

0.07 ± 0.03

0.08 ± 0.08

Caudate nucleus

0.05 ± 0.04

0.09 ± 0.02