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Dose-dependent effects of short term paraquat exposure on force swim immobility but not sucrose preference. As shown in (A), short term low dose (PQ-Low; 1 mg/kg) or high dose (PQ-High; 10 mg/kg) paraquat exposure did not influence sucrose preference at any time point (n.s = not significant). As shown in (B), both the 1 and 10 mg/kg doses of paraquat effectively increased the time immobile in a forced swim test. *p < 0.05, relative to saline treated mice.
