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. Author manuscript; available in PMC: 2014 Jan 6.
Published in final edited form as: Pharmacol Biochem Behav. 2012 May 3;102(2):10.1016/j.pbb.2012.04.012. doi: 10.1016/j.pbb.2012.04.012

Fig. 1.

Fig. 1

Mean (± SEM) saccharin consumption (ml) for all subjects in groups preexposed to cocaine or vehicle and conditioned with cocaine (18 mg/kg), GBR 12909 (32 mg/kg) or vehicle. All cocaine-preexposed subjects (regardless of conditioning drug) drank significantly more than vehicle-preexposed subjects (regardless of conditioning drug) on Trials 2 and 3. All drug-conditioned subjects (collapsed across preexposure condition) drank significantly less than all vehicle-conditioned subjects (collapsed across preexposure condition) on Trials 2, 3 and 4. Since no significant three-way interaction was observed, no post-hoc analyses were run on individual groups.