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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Neurosci Lett. 2009 Oct 27;468(1):68–71. doi: 10.1016/j.neulet.2009.10.065

Figure 3.

Figure 3

The grand averaged ERPs across all participants for the valid and invalid trials under low- and high-load conditions for three midline electrodes (CPZ, PZ, and POZ). Data were averaged across visual fields. The attentional effect on P1m increased as a function of perceptual load. The amplitude of C1 was larger for valid relative to invalid trials under the high-load condition, but only on CPZ site.