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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Biol Psychol. 2009 May 20;82(1):33–44. doi: 10.1016/j.biopsycho.2009.05.003

Figure 3.

Figure 3

Midline grand average ERPs in response to standard, target/rare, and novel visual stimuli for old, middle-aged, and young subjects under the Attend Condition and the Ignore conditions. Arrows illustrate P2, N2, and P3 waves at Fz. HE represents the eye channel in Figures 3-5. Note that there is no evidence of P2-like electrical activity in the eye channel.