Table 3.

Pearson correlation coefficients between contingent negative variation (CNV) indices and behavioral indices.

		Upright neutral	Upright happy	Upright sad	Inverted neutral	Inverted happy	Inverted sad
CNV slope (Fz) vs. RT	r	0.044	0.054	0.075	0.138	0.075	0.102
	p	0.787	0.740	0.647	0.397	0.644	0.529
CNV slope (Fz) vs. Accuracy	r	−0.326*	−0.030	−0.145	−0.309	0.069	−0.186
	p	0.040	0.854	0.371	0.053	0.674	0.251
CNV amplitude (Fz) vs. RT	r	0.134	0.115	0.228	0.109	0.118	0.164
	p	0.410	0.478	0.157	0.504	0.468	0.312
CNV amplitude (Fz) vs. Accuracy	r	−0.199	−0.133	−0.232	−0.165	−0.268	−0.246
	p	0.219	0.415	0.149	0.309	0.095	0.127

RT: reaction time; *p < 0.05. Bold fonts represent significant correlation coefficients.