Stimulationintensity (a.u.) | Saline | Cocaine | |||||
---|---|---|---|---|---|---|---|
Mean responseamplitude (mV) | SEM | Mean responseamplitude (mV) | SEM | ||||
1 | 0.09 | 0.02 | n = 21 | 0.13 | 0.03 | n = 15 | NS |
1.5 | 0.62 | 0.13 | n = 15 | 0.52 | 0.06 | n = 8 | NS |
2 | 0.71 | 0.11 | n = 21 | 0.69 | 0.08 | n = 15 | NS |
3 | 0.93 | 0.13 | n = 21 | 0.91 | 0.09 | n = 15 | NS |
Student's two-tailed t test shows no significant (NS) difference between the two groups for any stimulus intensity in the range tested. a.u., Arbitrary units.