Table 2.

Internal consistency reliability (ICR) and test–retest reliability (TRR) of N400 mean amplitudes for non-exemplar and exemplar conditions in the two sessions at Cz and central cluster. CI is 95% confidence interval. Central cluster includes: Fc3/4, C3/4, Cp3/4, P3/4, Pz, Cz and Fcz.

	Mean amplitude
	Non-exemplar				Exemplar
	ICR	CI	TRR	CI	ICR	CI	TRR	CI
Cz	0.88	[0.84, 0.92]	0.69	[0.51, 0.82]	0.88	[0.82, 0.92]	0.80	[0.67, 0.89]
Central Cluster	0.87	[0.82, 0.91]	0.55	[0.31, 0.73]	0.86	[0.81, 0.91]	0.73	[0.55, 0.85]