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. 2012 Jun 26;7(6):e39696. doi: 10.1371/journal.pone.0039696

Figure 4. Sulfasalazine had no effect on locomotor activity and no aversive or rewarding effects.

Figure 4

(A) Timeline of effects of SSZ on locomotor activity. Locomotor activity was tested 20 min (Post-T) and 24 h (Re-T) after SSZ administration (10 mM) for 5 min. (B) Sulfasalazine (10 mM) did not affect locomotor activity 20 min or 24 h after infusion. (C) Timeline of SSZ-induced conditioned place preference/aversive procedure. A double 2-day-session training procedure was used to test the aversive or rewarding effects of SSZ. (D) Sulfasalazine did not induce any aversion to or preference for the drug-paired chamber (CPA score), indicating that SSZ had no aversive or rewarding effects. The data are expressed as mean ± SEM. Pre-T, pre-treatment; Post-T, post-treatment; Re-T, re-test.