Table 3.
PCA Pattern Matrix for Bipolar Disorder
| Components | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| Standard N1 amplitude | −.854* | .251 | .173 | −.147 | .119 |
| Standard ITC 3–6 Hz | .792* | .026 | .155 | .162 | −.225 |
| Standard ERSP 3–6 Hz | .739* | .154 | .245 | −.229 | −.118 |
| Digit symbol | .578* | .129 | −.244 | −.238 | .263 |
| Target P3 amplitude | −.500* | .720* | −.132 | .023 | −.122 |
| Target ITC 2–6 Hz | .131 | .806* | −.010 | .106 | −.140 |
| Target ERSP 2–6 Hz | .149 | .806* | .003 | −.124 | −.014 |
| YMRS | .064 | −.160 | .813* | −.092 | .002 |
| MADRS | .056 | .219 | .743* | .276 | .302 |
| WASI IQ | .304 | .122 | −.514* | .262 | .199 |
| Age | −.013 | −.025 | .013 | .804* | .285 |
| Target ERSP 8–12 Hz | −.023 | −.019 | .037 | −.695* | .433* |
| Target P3 latency | −.204 | −.167 | .090 | .067 | .819* |
Asterisks indicate factor loadings > 0.4. WASI = Wechsler Abbreviated Scale of Intelligence; ERSP = event-related spectral perturbation; ITC = inter-trial coherence; YMRS = Young Mania Rating Scale; MADRS = Montgomery Asberg Depression Rating Scale. Digit symbol values are raw scores.