Table 2. Parameter comparison for the weak-prior MAP fit of the core model.
| Model parameter | Bayes Factor (Scaled JZS) > 1 is in support of no difference between Depression and Healthy groups |
t value | uncorr. p |
|---|---|---|---|
| Appetitive motivational exchange rate (reward sensitivity) | 3.594 | 0.277 | 0.783 |
| Aversive motivational exchange rate (punishment sensitivity) | 3.291 | -0.537 | 0.594 |
| Learning rate | 2.983 | 0.742 | 0.462 |
| Pavlovian Bias | 2.801 | -0.822 | 0.414 |
| Lapse rate | 1.447 | -1.509 | 0.139 |
| Go-bias (favouring action emission) | 2.365 | -1.041 | 0.303 |