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Reaction times (RTs) of hits in the absolute task for the first and third phase (n = 20).
| Drug | Phase | Stimulation magnitude | ||
|---|---|---|---|---|
| Low | Medium | High | ||
| Placebo | I | 1115 (193) | 1384 (192) | 1259 (180) |
| III | 1119 (206) | 1373 (293) | 1191 (168) | |
| Haloperidol | I | 1111 (301) | 1465 (227) | 1241 (377) |
| III | 1135 (172) | 1390 (210) | 1268 (257) | |
Values represent RTs of correct responses across-subject means in ms (SD).
