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. Author manuscript; available in PMC: 2019 May 1.
Published in final edited form as: Neurosci Lett. 2018 Mar 20;674:132–135. doi: 10.1016/j.neulet.2018.03.045

Fig. 1. Rat self-administration and extinction data.

Fig. 1

Panel A. Mean number of infusions attained across the 12 day self-administration period. Panel B. Mean number of active and inactive lever presses during cocaine self-administration. Panel C. Mean number of active and inactive lever presses during the first 12 days of extinction training.