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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: Addict Biol. 2016 Mar 14;22(4):977–990. doi: 10.1111/adb.12386

Figure 1. Experiment design and methamphetamine self-administration training.

Figure 1

(A) Exp. 1. Context: Mean±SEM number of infusions and active and inactive lever responses during the 14 d of methamphetamine self-administration training (n=27) (B) Exp. 2. Discrete cue: Mean±SEM number of infusions and active and inactive lever responses during the 14 d of methamphetamine self-administration training (n=29) (C) Exp. 3. Priming: Mean±SEM number of infusions and active and inactive lever responses during the 14 d of methamphetamine self-administration training for (n=26).