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. 2015 Nov 13;9:600. doi: 10.3389/fnhum.2015.00600

FIGURE 4.

FIGURE 4

Grand-average ERP waveforms, referenced to the nose, elicited at nine scalp electrodes and two EOG channels in response to the onset of an abstract art image, time-locked to picture onset. Illustrated are waveforms for the two conditions (non-ToM, ToM) and the difference wave (non-ToM-ToM). The time interval used to plot the voltage map is indicated by a gray shade (shown at electrode with highest mean amplitude difference). The voltage map represents the difference between the non-ToM and ToM condition during the time interval 0.700 to 1.100 s after picture onset.