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. 2013 Jun 6;8(6):e60128. doi: 10.1371/journal.pone.0060128

Figure 4. Sensitivity of the P100 waveform to fixation position.

Figure 4

(a) P100 ERP responses to specific eye-gaze landing positions (fROI) are shown at occipital scalp sites (O1/O2) separately for upright and inverted faces. (b) P100 ERP waveforms recorded over O1 (in blue) and O2 (in red) electrodes are shown for fixated face regions along the horizontal meridian (left and right visual fields). (c) P100 ERP waveforms elicited by fixated face regions along the vertical meridian (upper in green, middle in red, and lower in blue).