Figure 5. Effects of 7 days (A, on days 21-28 post-STZ infusion, after establishment of cognitive dysfunction) or 21 days (B, from day 0 which refers to the day of surgery and icv-STZ infusion) administration of EVR on swimming speed of STZ-induced AD rats in Morris water maze (MWM) task. Values are means ± SEM. No significant differences were seen between sham-, STZ and EVR-treated rats.