Figure 2.

Step-through latency to enter the dark room of the passive avoidance apparatus for all the groups 1 day after receiving the foot shock (n = 8). Results are expressed as means ± standard error of mean (one-way of ANOVA followed by Tukey's post hoc test). **P < 0.01 compared to the control, ^##P < 0.01 compared to the Sham, ^θP < 0.05 and ^θθP < 0.01 compared to the Stress group. Co: Control group, Sh: Sham group, St.R: Restrain stress group, St.R-C30: Restrain stress-Crocin 30 group, St.R-C60: Restrain stress-Crocin 60 group