Table 1.

Results of 3-way ANOVA of psychophysical and EEG responses elicited by IES

		ERP Peak Amplitude		ERP Peak Latency
3-Way ANOVA	Pain Intensity Ratings	N2	P2	N2	P2
Main effect of Group	F1,10 = 0.20	F1,10 = 0.08	F1,10 = 0.15	F1,10 = 0.008	F1,10 = 1.51
	P = 0.665	P = 0.778	P = 0.705	P = 0.930	P = 0.247
Main effect of Session	F1,10 = 0.05	F1,10 = 0.268	F1,10 = 2.65	F1,10 = 0.50	F1,10 = 0.38
	P = 0.833	P = 0.61	P = 0.134	P = 0.498	P = 0.553
Main effect of Hand	F1,10 = 4.52	F1,10 = 1.60	F1,10 = 0.52	F1,10 = 7.41	F1,10 = 0.11
	P = 0.059	P = 0.234	P = 0.487	P = 0.022	P = 0.742
2-way interaction: Group × Session	F1,10 = 3.04	F1,10 = 1.40	F1,10 = 11.13	F1,10 = 0.05	F1,10 = 0.53
	P = 0.112	P = 0.265	P = 0.008	P = 0.827	P = 0.484
2-way interaction: Group × Hand	F1,10 = 9.02	F1,10 = 0.45	F1,10 = 1.42	F1,10 = 0.11	F1,10 = 0.0003
	P = 0.013	P = 0.517	P = 0.261	P = 0.751	P = 0.987
2-way interaction: Session × Hand	F1,10 = 4.31	F1,10 = 0.19	F1,10 = 1.27	F1,10 = 4.33	F1,10 = 1.19
	P = 0.065	P = 0.674	P = 0.286	P = 0.064	P = 0.301
3-way interaction: Group × Session × Hand	F1,10 = 59.27	F1,10 = 7.84	F1,10 = 2.04	F1,10 = 0.37	F1,10 = 0.06
	P = 0.000016	P = 0.019	P = 0.184	P = 0.559	P = 0.813

Data are F statistics and P values from 3-way ANOVA with factors Group, Session, and Hand. Significant effects are highlighted in bold.