TABLE 2.

Volumes of Distribution in the Autoradiography Study

Animal no.	STN	Vd (mm3) on autoradiography	Vd (mm3) on MRI	% difference
8	Right	22.5	26.9	19.6
	Left	28.9	32.9	13.8
9	Right	27.8	24.5	–11.9
	Left	24.3	26.5	9.1
10	Right	55.3	51.6	–6.7
	Left	42.2	49.1	16.4

Vd = volume of distribution.