Table 4.
Performance in the stop signal task across experiments 1 and 2 as indicated via BEESTS. Data are posterior mean and the 95% credible intervals of the group-level mean parameters
| Variable | Variable label | Staircase | Exp. 1 (n = 23) | Exp. 2 (n = 34) | ||||
|---|---|---|---|---|---|---|---|---|
| Posterior mean | Credible interval | Posterior mean | Credible interval | |||||
| 2.5% | 97.5% | 2.5% | 97.5% | |||||
| Go response latency (ms) | RT | 407 | 356 | 461 | 467 | 414 | 508 | |
| TRT | 815 | 752 | 888 | 923 | 850 | 984 | ||
| Stopping latency (ms) | SSRTB (ms) | Home | 305 | 242 | 378 | 315 | 219 | 379 |
| SSRTB (ms) | Target | 291 | 219 | 377 | 253 | 208 | 309 | |
| Variability of stopping latency (ms) | SD-SSRTB (ms) | Home | 53 | 3 | 124 | 105 | 17 | 171 |
| SD-SSRTB (ms) | Target | 55 | 3 | 119 | 57 | 3 | 132 | |
| Trigger failures (%) | TFB (%) | Home | 0 | 0 | 0.009 | 0 | 0 | 0.005 |
| TFB (%) | Target | 0 | 0 | 0.004 | 0 | 0 | 0.004 | |
Key: pStop probability of stopping, RT reaction time, SSRT stop signal reaction time, SD-SSRT standard deviation of stop signal reaction time, TF trigger failures, TRT total response time