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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: Psychopharmacology (Berl). 2015 Feb 7;232(13):2363–2375. doi: 10.1007/s00213-015-3873-6

Figure 2.

Figure 2

Mean (±SEM) Difference Scores (time spent in the cocaine-paired environment on test day minus the time spent there prior to conditioning). The score above the X-axis reflects a shift toward the side associated with cocaine (a conditioned place preference; CPP) while the score below the line represents avoidance of the cocaine-paired environment (conditioned place aversions; CPA). Each group’s mean difference score was significantly different from “0” (+ p<.002; # p<.05). The two groups also performed differentially from one another (**p<.0.01).