Fig. 2

Bis(9)-(−)-Meptazinol ameliorated spatial learning and memory deficits of APP/PS1 mice in Morris water maze test. a Escape latency; b Representative path maps of each group; c Time percent in the target quadrant; d Distance percent in the target quadrant; e Swimming velocity. N = 9–11. Data represented as mean ± SEM, *p < 0.05, **p < 0.01, ***p < 0.001