B-F MWMT. Training and testing protocol (B). The time needed to reach the hidden platform during the acquisition phase (C), the percent of time spent in the target quadrant on the probe test day 8 (D), the time needed to reach the reversal hidden platform during the reversal phase of each trial (E), and the percent of time spent in the reversal target quadrant on the reversal probe test day 10 (F) were shown for each group of mice. 