<p>ERPs stimulated by the (A) high-complexity target image, (B) high-complexity nontarget image, (C) medium-complexity target image, (D) medium-complexity nontarget image, (E) low-complexity target image, and (F) low-complexity nontarget image. (G) Trial averaged target ERP wave forms calculated from (A), (C) and (E), where the red, blue, and green lines indicate the ERP components inspired by high-, medium- and low-complexity image. Similarly, images in (H) are indicative of nontarget image.</p
