Figure 2

Rewarding effects of methamphetamine (METH) in Wistar and SHR/NCrlCrlj. (A) Place preference data (mean ± SEM) expressed as the difference in the amount of time spent in the METH-paired compartment during the post- and preconditioning days. Data are expressed as mean ± SEM. *p < 0.05, **p < 0.01 when comparing saline (SAL) vs METH-conditioned animals (n = 8).