Table 1. Perceived intensity and ERPs magnitude.

Statistical values of the non-parametric analysis on the perceived intensity and on the magnitude of the ERPs. Post-hoc comparisons (Wilcoxon test) are reported when the overall analysis (Friedman Test) achieved the significance threshold.

		Friedman Test	Post-hoc comparisons (Wilcoxon)
			Before vs.During	During vs. After	Before vs. After
Ratings
	Aδ	p=0.001	p=0.012	p=0.012	p=0.017
	C (experiment 1)	p=0.002	p=0.012	p=0.012	p=0.208
	C (experiment 2)	p=0.036	p=0.012	p=0.208	p=0.050
	Aβ	n.s.
ERPs
	Aδ–N2	p=0.008	p=0.017	n.s.	p=0.012
	Aδ–P2	n.s.
	Aβ–N2	p=0.021	n.s.	0.012	n.s.
	Aβ–P2	p=0.030	p=0.017	p=0.036	p=0.484
	C-N2	p=0.034	p=0.012	n.s.	p=0.036
	C-P2	n.s.