Table 1.

P-values of t test between stressed subjects vs. stress-free ones in positive and negative emotional states

Valence	C3	C4	F4	P3	P4	T8
≥7	1.1e–13	0.03	1.3e–5	0.67	0.0006	0.002
≤3	5.8e–15	0.67	9.6e–5	0.003	0.04	0.0003