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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Psychopharmacology (Berl). 2012 Sep 26;226(1):45–51. doi: 10.1007/s00213-012-2882-y

Figure 2. Enhanced cue-induced reinstatement of cocaine seeking after extinction in NVHL rats.

Figure 2

(A) Histogram depicting number of infusions in 3-hour sessions in sham (filled squares) and NVHL (open circles) rats. (B) Plot of numbers of active and inactive lever presses during acquisition and the initial part of extinction training for sham and NVHL rats. (C) Histogram showing the rate at which rats in both groups achieve the extinction criterion. The data are illustrated as percent of rats that have not achieved the criterion in consecutive sessions. (D) Mean ± SEM number of presses on the active and inactive levers during extinction and reinstatement of cocaine seeking in NVHL and sham rats. **P<0.01 compared to sham, n=15–16 per group.