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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Psychopharmacology (Berl). 2011 May 3;217(4):559–571. doi: 10.1007/s00213-011-2316-2

Fig. 2.

Fig. 2

Mean distance traveled scores (±SEM) of rats injected with saline or methamphetamine (Meth; 2, 4, 8, or 12 mg/kg, IP) before a 30-min placement in the activity chambers on the pretreatment day (i.e., PD 19). The right panel shows mean distance traveled collapsed across time blocks 1–6. *Significantly different from the saline group (P<0.05)