Table 2. Statistical results of the three ERP components (* p<0.05; ** p<0.01; *** p<0.001).

	P2 (170∼210 ms)	LPC1 (360∼400 ms)	LPC2 (420∼460 ms)
Amplitude
TASK	F(2,513) = 20.97***	F(2,513) = 20.03***	F(2,513) = 39.19***
AP	F(2,513) = 46.45***	F(2,513) = 416.06***	F(2,513) = 510.03***
LR	F(2,513) = 9.20***	F(2,513) = 10.08***	F(2,513) = 4.64*
TASK*AP	F(4,513) = 2.64*	F(4,513) = 4.24**	NS
TASK*LR	NS	F(4,513) = 2.56*	F(4,513) = 3.20*
AP*LR	NS	F(4,513) = 13.61***	F(4,513) = 8.75***
TASK*AP*LR	NS	NS	NS
Latency
TASK	F(2,513) = 5.80**	F(2,513) = 3.90*	NS
AP	F(2,513) = 27.00***	NS	NS
LR	F(2,513) = 23.60***	NS	F(2,513) = 4.20*
TASK*AP	NS	NS	NS
TASK*LR	NS	F(4,513) = 3.80**	NS
AP*LR	F(4,513) = 8.00***	NS	NS
TASK*AP*LR	NS	NS	NS