Figure 4.

Grand average ERP waveforms elicited by words (solid black line), pseudowords (light gray line), nonwords (dark gray line), and letters-in-xs (dashed line) across recording sites. Peak amplitude of the N300 was measured at all sites shown while peak amplitude of the N400 was measured at the three most posterior rows (N300 and N400 are identified at site P4). More anterior sites are toward the top of the figure while more posterior sites are toward the bottom; left hemisphere sites are on the left and right hemisphere sites are on the right; lateral sites are toward the outer edges and medial sites are toward the middle of the figure; each vertical tick marks 100 ms and negative is plotted up.