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<0.01). *indicates a significant difference between animals treated with vehicle and progesterone (V-P) and all other groups (p<0.01). N = 6–9 animals per group. V-O, Vehicle-Oil; RU-P, RU-486-Progesterone; RU-O, RU-486-Oil.