Table 4.

Mean amplitudes of N400 for each condition and each electrode of interest in each session.

N400 (300–500 ms)		Session 1						Session 2
		High frequency			Low frequency			High frequency			Low frequency
		Left	Midline	Right	Left	Midline	Right	Left	Midline	Right	Left	Midline	Right
High predictability	F	−1.61	−2.00	−1.62	−1.61	−1.37	−0.93	−3.25	−3.90	−3.00	−2.23	−2.66	−2.03
	FC	−1.31	−1.71	−1.46	−1.07	−1.18	−0.61	−3.19	−3.93	−2.88	−2.18	−2.47	−2.02
	C	−0.78	−1.39	−0.84	−0.64	−0.79	−0.32	−2.42	−3.21	−1.86	−1.49	−1.75	−1.42
	CP	0.33	−0.18	0.14	0.27	−0.29	0.48	−1.07	−2.64	−0.94	−0.17	−1.46	−0.24
	P	1.68	0.72	1.37	2.01	0.85	1.78	0.54	−0.60	0.68	1.45	0.65	1.77
Low predictability	F	−1.65	−2.30	−1.98	−1.51	−2.76	−1.72	−2.35	−3.57	−2.35	−1.48	−2.13	−1.44
	FC	−1.83	−2.57	−2.07	−1.55	−2.92	−1.85	−2.65	−3.73	−2.72	−1.84	−2.49	−1.93
	C	−1.66	−2.51	−2.14	−1.81	−2.96	−2.16	−2.56	−3.40	−2.48	−1.46	−2.36	−1.56
	CP	−0.78	−1.72	−0.75	−0.97	−2.17	−1.13	−1.21	−3.13	−1.64	−0.55	−2.12	−0.89
	P	0.85	−0.68	0.26	1.09	−0.89	0.35	0.29	−1.13	0.23	0.58	−0.39	0.72