Data are separated by task.

Light/dark chamber; animals pre-treated with vehicle (Veh) and then treated with progesterone (Prog) had the longest latency to enter the dark side of the chamber. Elevated plus maze; there was no difference in total number of entries in any of the groups. (N = 6–9 animals per group; Data shown are mean±SEM; *indicates a significant difference between Veh-Prog and all other groups (p*indicates a significant difference between animals treated with vehicle and progesterone (V-P) and all other groups (p明暗箱（Light/dark chamber）实验中，经赋形剂（vehicle，Veh）预处理后再给予孕酮（progesterone，Prog）处理的动物，进入暗箱侧的潜伏期最长。高架十字迷宫（Elevated plus maze）实验中，各组动物的总进入次数无显著差异。每组动物样本量为6~9只；数据以平均值±标准误（mean±SEM）表示；*表示赋形剂-孕酮组（Veh-Prog，即V-P组）与其余所有组别间存在显著性差异（原文此处p值标注存在重复及不完整情况）