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. 2016 Jul;358(1):109–124. doi: 10.1124/jpet.116.232728

Fig. 10.

Fig. 10.

Effects of presession treatments with dopamine uptake inhibitors combined with CM 304 or CM 398 on responding maintained by cocaine injection or food presentation. (A–D) Ordinates are response rates in responses per second. Abscissae are the dose in milligrams per kilogram of cocaine (i.p.). (E and F) Ordinates are response rates as percentage of control response rates (sessions prior to drug tests). Abscissae are the dose in milligrams per kilogram of CM 304 administered intraperitoneally, log scale. Rates of responding were from the fourth 20-minute component of the session (see the Materials and Methods) with responding maintained by injections of cocaine (closed circles; 0.32 mg/kg per injection) or food presentation (diamonds; 3 × 20-mg pellets). Each point represents the mean ± S.E.M. (n = 6).