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. Author manuscript; available in PMC: 2011 Jul 26.
Published in final edited form as: Exp Clin Psychopharmacol. 2011 Jun;19(3):203–214. doi: 10.1037/a0023373

Figure 2.

Figure 2

Effects of nicotine pretreatment on cocaine discrimination in individual monkeys. Abscissae: Cocaine dose in mg/kg (log scale). Ordinate (Upper panel): % Cocaine-appropriate responding. Ordinate (Lower panel): Response rates (responses/second). Upper figures show % cocaine-appropriate responding following administration of single doses of cocaine alone (●) and single doses of cocaine followed by pretreatment with 0.32 mg/kg nicotine (▼). Lower figures show response rates. Each monkey’s identification number is located above the figures.