Table 3. Estimated parameters for the four main models.
| Parameter | Symbol | BurstIE | SustIE | BurstSE | SustSE |
|---|---|---|---|---|---|
| Asymptotic drift rate (high coherence) | νh | 6.4 | 8.4 | 4.9 | 4.6 |
| Asymptotic drift rate (low coherence) | νl | 2.8 | 3.3 | 2.1 | 2.1 |
| Drift-rate bias (high-coherence blocked) | νbh | 2.4 | 0.63 | 2.3 | 0.51 |
| Drift-rate bias (low-coherence blocked) | νbl | 2.3 | 0.49 | 2.4 | 0.46 |
| Drift-rate bias (interleaved) | νbi | 3.1 | 0.74 | 3.1 | 0.63 |
| Within-trial noise asymptotic standard deviation | s | 1.13 | 1.16 | 0.93 | 0.81 |
| Accumulation onset time (ms) | Tac | 90 | 90 | 91 | 91 |
| Burst duration range (ms) | b range | 72 | — | 72 | — |
| rate | β | 54.9 | 41.4 | — | — |
| argument | n | 6.9 | 6.7 | — | — |
| Evidence onset time (ms) | Tev | — | — | 205 | 223 |
| Mean motor time (high-coherence blocked) (ms) | Trh | 86 | 72 | 73 | 57 |
| Mean motor time (low-coherence blocked) (ms) | Trl | 85 | 67 | 74 | 54 |
| Mean motor time (interleaved) (ms) | Tri | 95 | 79 | 84 | 63 |
| Urgency-rate variability | su | 0.42 | 0.46 | 0.39 | 0.4 |
| Motor time variability (ms) | st | 65 | 65 | 81 | 80 |
Note: Fixed parameter shown in bold typeface.