Table 3.

ERP amplitudes and symptoms.

	SAPS
	Hallucinations		Delusions		Bizarre behavior		Positive formal thought disorder
	r	p	r	p	r	p	r	p
dMMN amplitude (μV)
F3	0.039	0.786	0.011	0.938	−0.122	0.398	0.086	0.552
F4	0.071	0.625	0.066	0.648	−0.131	0.365	0.076	0.599
Fz	0.021	0.884	−0.016	0.910	−0.199	0.166	0.090	0.536
Cz	−0.021	0.888	−0.036	0.805	−0.108	0.457	0.056	0.697
Pz	−0.163	0.258	−0.178	0.216	−0.225	0.117	−0.069	0.636
P3a amplitude (μV)
F3	−0.148	0.305	−0.188	0.192	−0.188	0.191	−0.036	0.802
F4	−0.075	0.605	−0.190	0.187	−0.256	0.073	0.029	0.842
Fz	−0.191	0.185	−0.181	0.209	−0.233	0.104	−0.008	0.956
Cz	−0.149	0.302	−0.056	0.701	−0.213	0.138	0.020	0.891
Pz	0.022	0.879	0.046	0.753	−0.023	0.874	−0.117	0.417
RON amplitude (μV)
F3	0.014	0.926	−0.131	0.363	0.067	0.646	0.280	0.049*
F4	0.087	0.549	−0.092	0.523	−0.158	0.274	0.244	0.087
Fz	−0.024	0.869	−0.109	0.450	−0.265	0.063	0.346	0.014*
Cz	−0.033	0.818	−0.214	0.136	−0.081	0.578	0.151	0.295
Pz	0.002	0.990	−0.257	0.071	−0.025	0.861	0.022	0.881
	SANS
	Affective flattening		Alogia		Avolition- apathy		Anhedonia- asociality		Attention
	r	p	r	p	r	p	r	p	r	p
dMMN amplitude (μV)
F3	0.109	0.452	0.149	0.301	0.096	0.509	−0.102	0.483	0.317	0.025*
F4	0.142	0.325	0.122	0.399	0.016	0.910	−0.066	0.650	0.260	0.068
Fz	0.115	0.427	0.165	0.254	−0.014	0.923	−0.081	0.576	0.290	0.041*
Cz	0.060	0.680	0.147	0.307	0.117	0.420	0.050	0.730	0.262	0.066
Pz	−0.041	0.778	0.066	0.650	0.122	0.400	−0.063	0.666	−0.007	0.963
P3a amplitude (μV)
F3	−0.029	0.843	−0.034	0.815	0.037	0.796	−0.037	0.796	0.130	0.368
F4	0.021	0.883	0.021	0.885	0.003	0.984	−0.102	0.480	0.148	0.306
Fz	−0.043	0.767	0.032	0.823	−0.032	0.827	−0.090	0.533	0.101	0.487
Cz	−0.066	0.649	−0.029	0.843	0.012	0.934	−0.010	0.943	0.112	0.441
Pz	0.063	0.662	−0.027	0.852	0.108	0.454	−0.046	0.753	0.032	0.827
RON amplitude (μV)
F3	−0.112	0.438	−0.111	0.441	−0.054	0.712	−0.215	0.134	−0.055	0.704
F4	0.022	0.882	0.039	0.788	−0.089	0.539	−0.103	0.475	−0.050	0.730
Fz	−0.046	0.752	−0.017	0.905	−0.104	0.474	−0.073	0.617	−0.025	0.861
Cz	0.128	0.375	0.210	0.143	−0.040	0.781	0.002	0.988	−0.108	0.455
Pz	0.014	0.922	0.095	0.513	−0.123	0.393	−0.117	0.419	−0.242	0.090

SAPS, Scale for the Assessment of Positive Symptoms; SANS, Scale for the Assessment of Negative Symptoms.

*p < 0.05, r = Pearson product–moment correlation coefficient.