Table 3.
Behavioral data on attention switch task (AST) and tower of London (ToL) after placebo, cocaine, and cannabis (mean ± SD)
| Placebo | Cocaine | Cannabis | ||
|---|---|---|---|---|
| Attention switch task | ||||
| Non-switch | RT (ms) | 483 ± 91 | 452 ± 67 | 517 ± 142 |
| proportion correct | 0.98 ± 0.026 | 0.98 ± 0.024 | 0.96 ± 0.036 | |
| Switch | RT (ms) | 654 ± 198 | 617 ± 148 | 682 ± 201 |
| proportion correct | 0.95 ± 0.050 | 0.95 ± 0.036 | 0.92 ± 0.049 | |
| Tower of London | ||||
| 2 steps | RT (s) | 4962 ± 1404 | 4910 ± 1690 | 6161 ± 2625 |
| proportion correct | 0.94 ± 0.088 | 0.95 ± 0.090 | 0.92 ± 0.12 | |
| 3 steps | RT (s) | 6218 ± 1870 | 6292 ± 2513 | 7377 ± 2740 |
| proportion correct | 0.95 ± 0.071 | 0.95 ± 0.068 | 0.92 ± 0.093 | |
| 4 steps | RT (s) | 9449 ± 3452 | 9144 ± 3184 | 10,914 ± 3909 |
| proportion correct | 0.88 ± 0.10 | 0.85 ± 0.11 | 0.82 ± 0.15 | |
| 5 steps | RT (s) | 15,337 ± 4839 | 15,278 ± 4988 | 15,760 ± 5904 |
| proportion correct | 0.76 ± 0.18 | 0.79 ± 0.17 | 0.69 ± 0.17 | |