Table 1. Elevated plus maze (EPM) results after mice were exposed to predators for different times starting 24 h following eCG injection.
Time post-initiation of stress | Treatment | Mice examined | Open arm | Closed arm | ||
Time (s) | Entries | Time (s) | Entries | |||
15 min | Control | 15 | 53.9±5.4a | 20.6±2.5a | 157.5±14.3a | 24.2±4.6a |
Stressed | 16 | 7.4±1.8b | 3.7±1.0b | 267.6±5.5b | 11.1±2.0b | |
17 h | Control | 18 | 48.8±5.6a | 21.2±2.8a | 155.9±11.6a | 30.2±2.9a |
Stressed | 20 | 15.7±3.2b | 10.7±2.2b | 219.4±9.1b | 21.0±3.1b | |
19 h | Control | 17 | 63.2±4.3a | 24.0±3.0a | 143.9±13.5a | 24.9±3.5a |
Stressed | 21 | 17.1±2.7b | 9.2±1.4b | 243.2±6.9b | 15.0±2.5b | |
24 h | Control | 13 | 58.6±4.8a | 16.2±2.0a | 157.9±8.8a | 24.8±1.7a |
Stressed | 14 | 22.5±5.7b | 8.8±1.4b | 216.4±10.1b | 21.5±2.8a | |
24+1 h | Control | 14 | 48.6±6.5a | 15.4±1.3a | 163.6±7.0a | 23.9±2.4a |
Stressed | 15 | 15.1±3.6b | 7.1±1.2b | 209.2±8.3b | 22.6±2.7a |
a–c: Values without a common letter in their superscripts differ significantly (P<0.05) within columns.