Fig. 8

MWM test (eight rats from each trail group were tested). Escape latency interval (the length of time needed to find the hidden platform) for each of the five training days were shown. Longer escape latency interval is considered as reduced learning ability. The latency (a), the average speed (b) and total distance (c). CON control rats, MD MD-treated rats. *p <0.05, **p <0.01