Table 5 Summary of statistical analysis of N1 and P2 components for visual and auditory experiments combined.

Experiment	N1 amplitude			N1 latency			P2 amplitude			P2 latency
Experiment	F	p	η ²	F	p	η ²	F	p	η ²	F	p	η ²
Task	21.918	<0.001	0.439	0.132	0.719	0.005	15.662	<0.001	0.359	0.021	0.886	0.001
Pain	1.736	0.198	0.058	0.071	0.791	0.003	5.491	0.026	0.164	0.168	0.685	0.006
Group	1.108	0.302	0.038	0.589	0.449	0.021	6.033	0.021	0.177	0.125	0.726	0.004
Modality	3.598	0.068	0.114	48.577	<0.001	0.634	16.775	<0.001	0.375	4.683	0.039	0.143
Task × Group	2.179	0.151	0.072	0.001	0.981	<0.001	1.284	0.267	0.044	0.001	0.971	<0.001
Pain × Group	1.185	0.286	0.041	0.071	0.791	0.003	0.472	0.498	0.017	0.138	0.713	0.005
Task × Pain	2.127	0.156	0.071	0.006	0.938	<0.001	0.572	0.456	0.020	0.031	0.861	0.001
Modality × Task	1.085	0.307	0.037	0.036	0.850	0.001	6.206	0.019	0.181	0.172	0.682	0.006
Modality × Group	2.868	0.101	0.093	0.022	0.884	0.001	0.024	0.877	0.001	1.044	0.316	0.036
Modality × Task × Group	2.129	0.156	0.071	0.019	0.893	0.001	2.252	0.145	0.074	0.015	0.902	0.001
Modality × Pain × Group	1.159	0.291	0.040	0.064	0.802	0.002	7.500	0.011	0.211	0.056	0.814	0.002
Pain × Group × Task	0.188	0.668	0.007	3.301	0.080	0.105	4.538	0.042	0.139	0.244	0.626	0.009
Modality × Task × Pain	0.091	0.765	0.003	1.264	0.270	0.043	0.153	0.699	0.005	0.023	0.879	0.001
Modality × Pain × Group × Task	1.268	0.270	0.043	0.272	0.606	0.010	0.949	0.338	0.033	1.218	0.279	0.042

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