Fig. 1.
Experiment 1. (P30, P40) Morris water maze, acquisition phase, platform trials for path length: (a), path length (cm) averaged across 4 trials/day and across sexes for the P30 groups. (b) Same as in panel (a) except that data are for the P40 groups. (c) Same as in (a) except that data are the combined averages of the P30 and P40 groups. Data are means ± SEM. Rats received 5 mg/kg methamphetamine (MA) four times a day on P11–20. **P<0.01 vs. saline.