Summary of THC-induced effects on cognitive performance
Effects were dose-dependent; refer to figures for details. Upward arrow, significant decrease from baseline; downward arrow, significant increase from baseline; —, no significant change from baseline.
| Task | Acute- 30-min PT (Prechronic Tx) | Residual- 23 hr PT (During Chronic Tx) | Acute- 30-min PT (During Chronic Tx) | Abstinence |
|---|---|---|---|---|
| DMS | ||||
| Short delay | ↓ | — | — | — |
| Middle delay | ↓ | — | — | — |
| Long delay | ↓ | ↓ | ↓ | ↓ |
| SD | — | — | — | — |
| CD | ↓ | — | — | — |
| CDR | — | — | — | — |
| IDS | — | — | ↑ | — |
| EDS | ↓ | — | — | — |
IDS, intradimensional set-shifting; SD, stimulus discrimination.