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Behavioral results. Response times in milliseconds (ms) and percentage correct responses in all four main conditions with corresponding standard deviations in brackets.
| High-difficulty | Low-difficulty | ||
|---|---|---|---|
| Reward | 546 (58) | 484 (46) | RT (ms) |
| 83 (6) | 97 (3) | correct (%) | |
| No-reward | 554 (58) | 499 (54) | RT (ms) |
| 79 (6) | 94 (4) | correct (%) |
