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. Author manuscript; available in PMC: 2011 Dec 1.
Published in final edited form as: Pharmacol Biochem Behav. 2010 Aug 27;97(2):262–266. doi: 10.1016/j.pbb.2010.08.008

Table 2.

Activity

Pre-treatment
Post-treatment		 Saline
Saline		 NTX
Saline		 Saline
DAMGO		 NTX
DAMGO
Exp. 1 1556 ± 194.9 1356 ± 241.8 2028 ± 484 2524 ± 594.6
Pre-treatment
Post-treatment		 Non-Restricted
Saline		 Restricted
Saline		 Non-Restricted
NTX		 Restricted
NTX
Exp. 2 869 ± 118.9 910 ± 124.2 789 ± 121.7 785 ± 66.7

Note. Values represent group means (+/− S.E.M.) for a 2-hr measure of general activity (beam breaks). In both experiments, there were no differences in activity.