TABLE 3.
Summary of the behavioural test battery in Experiment 2
| Experiment 2 behavioural test battery | ||||
|---|---|---|---|---|
| Test | Main index of the test | ER_α (compared with ST) | ER_other (compared with ST) | ER_α (compared with ER_other) |
| Open‐field | Total distance travelled | ‐‐ | ↓ | ‐‐ |
| Time spent in the centre area | ↑ | ↑ | ↓ | |
| Vertical activities | ↑ | ‐‐ | ↑ | |
| Social interaction | Time spent with mice (vs. empty cage) | ‐‐ | ‐‐ | ‐‐ |
| Time spent with novel mice (vs. familiar mice) | ‐‐ | ‐‐ | ‐‐ | |
| Tail suspension | Immobility | ↑ | ↑ | ‐‐ |
Note: ER_α: alpha‐ranked animals of ER group. ER_other: lower‐ranked animals of ER group.