Table 6. means and standard errors (SER) of amplitudes of N400 potential in centrally (Cz, Pz) located electrode pairs.

Stimulus groups	Experimental version	Mean (SER)
Homograph unrelated	Short	-0.02 (0.061)
	Long	-0.086 (0.066)
Homograph related	Short	0.159 (0.057)
	Long	0.269 (0.055)
Control related	Short	0.174 (0.052)
	Long	0.163 (0.054)
Control unrelated	Short	-0.229 (0.049)
	Long	-0.186 (0.056)