Table 2.

Dopamine D2/D3 Receptor Availability in Female Monkeys

[18F]FCP distribution volume ratios in the Caudate Nucleusa
Social Rankb		Individually housed	Individually housed [Mean ± SEM]	Socially housed	Socially housed Mean ± SEM (% Chng)c	Return to Individual Housing	Individually housed (% Chng)d
Dominant	1	3.18 ± 0.20	3.05 ± 0.16	3.78 ± 0.24	3.57 ± 0.14*§ (+18.7% ± 6.4)	3.51 ± 0.22	−6.4 ± 6.7
	2	2.92 ± 0.25		3.36 ± 0.09
Subordinate	3	2.94 ± 0.14	2.86 ± 0.10	3.16 ± 0.38	3.04 ± 0.22 (+6.71% ± 7.7)
	4	2.78 ± 0.14		2.93 ± 0.29		3.01 ± 0.26	+4.0 ± 7.3

[18F]FCP distribution volume ratios in the Putamena
Social Rankb		Individually housed	Individually housed [Mean ± SEM]	Socially housed	Socially housed Mean ± SEM (% Chng)c	Return to Individual Housing	Individually housed (% Chng)d
Dominant	1	3.09 ± 0.19	3.01 ± 0.13	3.50 ± 0.34	3.46 ± 0.17 (+16.4% ± 7.6)	3.14 ± 0.39	−10.4 ± 7.2
	2	2.94 ± 0.19		3.42 ± 0.13
Subordinate	3	3.19 ± 0.19	3.11 ± 0.13	3.41 ± 0.31	3.27± 0.18 (+6.13% ± 7.2)
	4	3.04 ± 0.20		3.12 ± 0.21		3.22 ± 0.18	+4.9 ± 9.2

^aData represent mean (± 1 SEM) distribution volume ratios (DVRs)

^bFor individually housed scans these numbers represent eventual social rank

^cpercent change from individually housed DVRs

^*p< 0.05 significant change from individually housed

^§p< 0.05 significant difference between dominant and subordinate monkeys