Mean ERP amplitudes taken in early (300–500 ms poststimulus) and late (500–700 ms poststimulus) time-windows at frontal (AFz, AF3, AF4, F1, F2, FCz, Fz) and parietal (see insert in Figure 3) sites in Experiment 1.

<p>Mean ERP amplitudes taken in early (300–500 ms poststimulus) and late (500–700 ms poststimulus) time-windows at frontal (AFz, AF3, AF4, F1, F2, FCz, Fz) and parietal (see insert in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0106411#pone-0106411-g003" target="_blank">Figure 3</a>) sites in Experiment 1.