Table 2.
Descriptive statistics of the behavioral data.
| A1+ | A1− | ||||
|---|---|---|---|---|---|
| RT [ms] | Error rate [%] | RT [ms] | Error rate [%] | ||
| BEHAVIORAL EXPERIMENT | |||||
| All trials | 410 ± 48 | 6.8 ± 5.4 | 419 ± 55 | 7.1 ± 5.3 | |
| Congruent trials | NEU | 378 ± 44 | 0.5 ± 1.3 | 389 ± 50 | 1.0 ± 2.0 |
| REW | 368 ± 45 | 0.6 ± 1.6 | 372 ± 40 | 0.6 ± 1.7 | |
| PUN | 371 ± 41 | 0.7 ± 1.7 | 375 ± 40 | 0.6 ± 1.5 | |
| COM | 372 ± 40 | 0.0 ± 0.0 | 380 ± 41 | 0.4 ± 1.3 | |
| Incongruent trials | NEU | 469 ± 49 | 13.7 ± 12.0 | 473 ± 79 | 14.4 ± 11.9 |
| REW | 450 ± 48 | 16.8 ± 15.0 | 459 ± 61 | 13.9 ± 12.5 | |
| PUN | 455 ± 50 | 16.6 ± 14.6 | 468 ± 63 | 16.0 ± 12.7 | |
| COM | 458 ± 51 | 15.2 ± 12.1 | 458 ± 64 | 13.4 ± 10.3 | |
| Random trials | NEU | 422 ± 51 | 3.4 ± 4.2 | 433 ± 63 | 6.9 ± 7.3 |
| REW | 406 ± 52 | 5.7 ± 6.3 | 414 ± 62 | 6.4 ± 5.7 | |
| PUN | 408 ± 53 | 4.9 ± 5.3 | 425 ± 64 | 4.8 ± 5.8 | |
| COM | 409 ± 59 | 3.4 ± 3.8 | 423 ± 59 | 6.9 ± 6.4 | |
| fMRI EXPERIMENT | |||||
| All trials | 438 ± 38 | 3.1 ± 3.2 | 440 ± 43 | 2.2 ± 2.5 | |
| Congruent trials | NEU | 409 ± 34 | 0.3 ± 0.7 | 411 ± 43 | 0.2 ± 0.7 |
| REW | 398 ± 40 | 1.1 ± 1.7 | 401 ± 42 | 0.2 ± 0.7 | |
| PUN | 399 ± 40 | 0.8 ± 1.7 | 403 ± 47 | 0.2 ± 1.0 | |
| COM | 400 ± 42 | 0.1 ± 0.5 | 403 ± 45 | 0.6 ± 1.6 | |
| Incongruent trials | NEU | 484 ± 41 | 4.3 ± 3.6 | 484 ± 48 | 3.6 ± 4.1 |
| REW | 475 ± 41 | 6.0 ± 7.8 | 474 ± 44 | 4.4 ± 4.5 | |
| PUN | 473 ± 40 | 7.1 ± 9.3 | 476 ± 45 | 4.7 ± 6.4 | |
| COM | 478 ± 40 | 4.7 ± 4.6 | 473 ± 45 | 3.4 ± 5.0 | |
Mean reaction times (RT) of correct responses and error rates ± standard deviations (SD) are shown. NEU, condition with no reward or punishment; REW, rewarded condition; PUN, punished condition; COM, condition with reward and punishment.