Figure 6.

Effects of the hydromethanolic extract of Z. mucronata leaves (150, 300, and 600 mg/kg) on the number of working memory errors (a), number of reference memory errors (b), and time taken to consume all five baits (c) in the scopolamine-treated rats during 7 days of training in the radial arm maze test. Values are expressed as mean ± S.E.M. (n = 9 animals per group). Data were analysed by using two-way ANOVA followed by Bonferroni post hoc test. ^∗∗∗p < 0.0001 vs. scopolamine animals. ^∗∗p < 0.001 (Sco vs. Sco + ZM 150 mg/kg). ^δp < 0.001 vs. control group. Scopolamine was administered in the later half for 7 days.