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. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: Int J Psychophysiol. 2012 Jan 14;84(1):17–25. doi: 10.1016/j.ijpsycho.2012.01.002

Fig.3.

Fig.3

Grand average of ERP elicited by old (dotted lines) and young (solid lines) groups at the posterior sites when the cues appeared in the left (a) and right (b) visual fields. Data were averaged across the low and high perceptual load conditions, and across valid and invalid cue trials.