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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Psychophysiology. 2013 Jun 14;50(9):900–908. doi: 10.1111/psyp.12070

Figure 4.

Figure 4

A) The average ERP measured at electrode Oz is presented for successful and failed stop trials for the two different task conditions. B) The ERP difference wave for successful – failed stopping is presented for the two different task conditions and indicates that there were no condition differences in the N2. C) Scalp topographies for the peak amplitude of the occipito-parietal N1 are presented for successful and failed stop trials for each condition along with the difference and t-value maps. The emergence of the fronto-central N2 is also visible for failed stopping. SS = successful stop; FS = failed stop; G > S = going quickly earned 10 points and successful stopping earned 1 point; S > G = successful stopping earned 10 points and going quickly earned 1 point.