Table 2. [¹¹C]PHNO Binding Potentials and Test–Retest Variability (n=3).

	BPND	ΔBPND (%)
Caudate	3.8±0.6	7±17
Putamen	4.5±0.1	−2±10
N. acc	5.0±0.8	−3±6
GP	6.5±0.9	6±14
S. nigra	4.3±1.6	2±17

Abbreviations: GP, globus pallidus; N. acc, nucleus accumbens; S. nigra, substantia nigra.