Table 2.

PCA Pattern Matrix for Healthy Controls

Components	1	2	3	4
Standard ITC 3–6 Hz	.880*	−.025	.042	.060
Standard ERSP 3–6 Hz	.825*	−.025	.138	.164
Standard N1 amplitude	−.690*	−.155	.233	.042
Target P3 latency	.040	−.982*	.377	−.093
Target ITC 2–6 Hz	.091	.753*	.249	−.174
Target ERSP 2–6 Hz	.327	.531*	.227	−.050
Age	.224	−.460*	−.140	−.555*
WASI IQ	.044	−.254	.853*	−.134
Digit symbol	−.084	−.073	.748*	.390
Target P3 amplitude	−.040	.269	.667*	−.158
Target ERSP 8–12 Hz	.203	−.117	−.136	.945*

Asterisks indicate factor loadings > 0.4. WASI = Wechsler Abbreviated Scale of Intelligence; ERSP = event-related spectral perturbation; ITC = inter-trial coherence. Digit symbol values are raw scores.