Inhibition of the disruption of prepulse inhibition (PPI) elicited by methamphetamine in mice by Y-QA31 (A), clozapine (B), and the effect of Y-QA31 alone on prepulse inhibition (C). n=8–10. bP<0.05, cP<0.01 vs control; eP<0.05, fP<0.01 vs the methamphetamine treated group; two-way ANOVA with repeated measurement followed by Bonferroni post-tests. MA, methamphetamine. Clo, clozapine.