Table 1.
Coefficient estimates for OLS, ridge regression, elastic net, and the lasso.
| Predictor | OLS-All | OLS (λ = 0) | Ridge (α = 0) | E-Net (α = 0.25) | E-Net (α ≥ 0.5) |
|---|---|---|---|---|---|
| ICN1: Medial Vision | −0.47 | −0.16 | −0.26 | −0.14 | 0.00 |
| ICN2: R Fronto-Parietal | −0.19 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN3: Bilateral Supramarginal Gyrus | −0.15 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN4: L Postcentral Gyrus | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN5: Bilateral IFG | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN6: Lateral Occipital + Precuneus + PCC | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN7: Insula + Heschl's Gyrus | 0.39 | 0.37 | 0.33 | 0.37 | 0.32 |
| ICN8: Bilateral Angular Gyrus | −0.02 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN9: Putamen + Amygdala | −0.17 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN10: Bilateral Superior Temporal Gyrus | −0.02 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN11: Insula + Ventral Striatum + ACC | −0.44 | −0.38 | −0.35 | −0.29 | 0.00 |
| ICN12: Posterior Vision | 0.18 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN13: Parietal/Occipital Cortices | 0.32 | 0.41 | 0.37 | 0.41 | 0.00 |
| ICN14: Bilateral Insula and OFC | −0.49 | −0.45 | −0.30 | −0.29 | −0.38 |
| ICN15: Bilateral Frontal Pole | −0.17 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN16: Supplementary Motor | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN17: Primary Motor | 0.19 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN18: Motor | −0.07 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN19: Frontal Medial Cortex + ACC | 0.31 | 0.31 | 0.00 | 0.00 | 0.00 |
| ICN20: Precuneus + PCC | −0.03 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN21: Occipital Pole | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN22: R Postcentral Gyrus | 0.26 | 0.00 | 0.33 | 0.00 | 0.00 |
| ICN23: Cerebellum | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN24: Subcallosal Cortex + OFC | 0.19 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN25: Inferior Lateral Occipital | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN26: Precuneus | −0.09 | 0.00 | 0.00 | 0.00 | 0.00 |
| ICN27: Hippocampus + Amygdala + TP | −0.01 | 0.00 | 0.00 | 0.00 | 0.00 |
| R2 (Error Standard Deviation) | 0.46 (0.83) | 0.27 (0.88) | 0.29 (0.86) | 0.23 (0.90) | 0.12 (0.95) |
Coefficients that are significant at a 95% threshold are indicated with boldfaced font. IFG, Inferior Frontal Gyrus; ACC, Anterior Cingulate Cortex; OFC, Orbitofrontal Cortex; PCC, Posterior Cingulate Cortex; TP, Temporal Pole.