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. 2014 Mar 26;8:152. doi: 10.3389/fnhum.2014.00152

FIGURE 2.

FIGURE 2

Grand average ERPs on nine representative electrodes (F3, Fz, F4, C3, Cz, C4, P3, Pz, P4) lowpass filtered at 30 Hz for visual presentation purposes. N1 and P2 in the grand average ERPs are denoted.