Methods Forty-two Kun-ming mice were divided into four groups : 8-arm radial maze-stressed group ( A) . 8-arm radial maze of non-stressed group (B) , Barnes maze of stressed group(C) , Barnes maze of non-stressed group(D).

• 方法 雄性昆明小鼠42只随机分成4组,即:八臂迷宫心理应激组(A)、八臂迷宫对照组(B)、Barnes迷宫心理应激组(C)、Barnes迷宫对照组(D),每组10只。