Table 1
Experimental design
| Session | Drug | Doses (mg/70 kg) |
---|
| | | |
Dose run-up sessions1-a
| 1 | Caffeine | 0, 100, and 200 |
| 2 | Caffeine | 0 and 400 |
| 3 | Nicotine | 0, 0.75, and 1.5 |
| 4 | Nicotine | 0 and 3.0 |
Experimental sessions1-b
| 5 | Caffeine | 200 |
| 6 | Nicotine | 1.5 |
| 7 | Caffeine | 400 |
| 8 | Nicotine | 0.75 |
| 9 | Nicotine | 3.0 |
| 10 | Placebo | 0.0 |
| 11 | Caffeine | 100 |