Table 1.

ERP component statistics

Event	Component	Electrode	Window (ms)	Det. (μV)	Undet. ( μV)
Fixation	P1	T5	90–160	0.02	−0.10^*
	N1	Fz	150–230	−0.06	−0.16^*
	P2	T5	200–250	0.34	0.18^*
Target	P1	Oz	90–160	0.23	0.08^**
	N1	Fz	150–230	0.30	0.14^*
	P2	Oz	200–250	0.26	0.14^*
	P3	Pz	300–500	0.11	−0.12^*

↵*p < 0.05;
↵**p < 0.01. Window (ms): time window over which the mean amplitude was taken, with respect to the onset of the time-locking event. Det. (μV) and Undet.( μV): mean amplitude of the ERP over the time window for the detected and undetected trials, respectively.