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. 2010 May 1;33(5):703–713. doi: 10.1093/sleep/33.5.703

Figure 1.

Figure 1

Grand average of ERPs at frontal, central, and centroparietal electrodes elicited by novel sounds and standard tones during oddball task in which all subjects were instructed to ignore all sounds while watching self-chosen silent movie. Note, the scale of the ERP amplitude is enlarged for SWSD group with respect to the 2 control groups.