Table 1.
Treatment groups |
Doses mg/kg |
Mean response latencies ± SEM | ||||
0 | 30 | 60 | 90 | 120 | ||
Control | - | 4.17 ± 0.93 | 5.58 ± 0.80 | 5.42 ±1.28 | 6.33 ± 1.20 | 6.25 ± 1.29 |
Morphine | 20 | 5.17 ± 1.99 | 18.83 ± 4. 45* | 15.17 ± 3.92* | 14.25 ± 3.25* | 11.25 ± 3.25* |
ME | 250 | 4.58 ± 0.86 | 6.75 ± 1.84 | 11.17± 2.21* | 14.17 ± 3.53* | 10.33 ±3.44* |
ME | 500 | 5.17 ± 0.82 | 9.67 ± 2.80* | 15.08 ± 4.71* | 12.83 ± 3.14* | 12.08 ± 2.35* |
ME | 1000 | 4.42 ± 0.74 | 11.25 ± 0.08* | 15.33 ± 5.28* | 14.83 ± 3.61* | 13.25 ± 3.43* |