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. Author manuscript; available in PMC: 2012 Jul 10.
Published in final edited form as: Exp Clin Psychopharmacol. 2011 Feb;19(1):1–10. doi: 10.1037/a0022432

Figure 4.

Figure 4

The top panel shows the effects of pretreatment with 3 doses of i.m. bupropion or saline on responding for 5 μg/kg/injection i.v. methamphetamine or food. Each curve is the mean of four monkeys. The bottom panel shows the effects of pretreatment with saline or 3.2 mg/kg i.m. bupropion on responding for various self-administration doses of i.v. methamphetamine or saline (S). Each curve is the mean of four monkeys. *p < 0.05 from saline self-administration following saline pretreatment, #p < 0.05 from saline pretreatment at the comparable i.v. methamphetamine dose.