Total horizontal locomotor activity (meters) recorded for 60 min from ErbB4 KO and Ctrl mice that received systemic injections (intraperitoneally) of d-amphetamine (mg/kg)
| mg/kg | Ctrl | n | ErbB4 KO | n | p |
|---|---|---|---|---|---|
| 0.0 | 54.6 ± 2.5 | 8 | 49.3 ± 4.1 | 9 | n.s. |
| 0.5 | 44.5 ± 3.3 | 10 | 105.8 ± 9.5 | 8 | <0.05 |
| 1.5 | 121.2 ± 9.4 | 8 | 207.1 ± 21.8 | 8 | <0.005 |
| 2.5 | 206.2 ± 12.4 | 8 | 326.6 ± 22.8 | 8 | <0.001 |
| 3.5 | 279.1 ± 17.1 | 9 | 207.0 ± 23.3 | 8 | <0.01 |
n.s., no significant differences.