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. 2017 Apr 20;8:61. doi: 10.3389/fpsyt.2017.00061

Figure 1.

Figure 1

Acute methamphetamine (Meth) induced hyperactivity following chronic Meth exposure. A low acute challenge dose of Meth (1 mg/kg) induced hyperactivity in mice previously pretreated with Meth. There was no genotype effect at this dose. A high acute challenge dose of Meth (3 mg/kg) induced hyperactivity to a significantly greater extent in Meth pretreated compared to saline pretreated mice. This dose also induced hyperactivity to a significantly greater extent in 5-HT1A knockout (KO) mice compared to wild-type (WT) mice. Results are shown for males and females combined.