Rotated factor loadings from the PCA (with Varimax rotation) of the neuropsychological test data reported by de Chastelaine et al. (2016)
| Speed (RC1) | Memory (RC2) | Crystallized intelligence (RC3) | Fluency (RC4) | |
|---|---|---|---|---|
| CVLT composite | −0.19 | 0.84 | 0.08 | −0.15 |
| CVLT hits | −0.20 | 0.42 | 0.23 | −0.64 |
| CVLT false alarms | 0.21 | −0.69 | 0.26 | −0.17 |
| Logical memory composite | 0.10 | 0.67 | 0.18 | 0.02 |
| Trails A | 0.91 | −0.09 | −0.05 | −0.14 |
| Trails B | 0.85 | −0.09 | −0.28 | 0.08 |
| SDMT | −0.59 | 0.40 | 0.08 | 0.30 |
| Digit span | −0.16 | 0.01 | 0.80 | −0.08 |
| Category fluency (animals) | −0.34 | 0.23 | 0.14 | 0.63 |
| F-A-S | −0.12 | 0.06 | 0.46 | 0.57 |
| WTAR (full-scale intelligence) | −0.12 | 0.12 | 0.79 | 0.21 |
| Raven's (list 1) | −0.33 | 0.48 | 0.10 | 0.05 |
| Eigenvalue | 3.65 | 1.70 | 1.28 | 1.06 |
| % Variance (before rotation) | 0.20 | 0.14 | 0.11 | 0.09 |
| % Variance (after rotation) | 0.19 | 0.19 | 0.15 | 0.11 |