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Locomotor activity (horizontal activity, total distance traveled, vertical activity, center distance) in rats with neonatal TTX infusions. Rats were tested in photocell monitors only at P56 after exposure to novelty (Nov) and after saline injection (Sal) and amphetamine administration (AMPH, 1.5 mg/kg, i.p.). TTX-infused rats were significantly more active than sham rats (*p < 0.05; n = 13–16 per group).
