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. 2014 Aug 8;9(8):e104869. doi: 10.1371/journal.pone.0104869

Figure 4. Standard Event-Related Potentials (ERPs) waveforms in the discrimination and working memory tasks.

Figure 4

A) Standard ERPs in both tasks (both task orders). B) Mean N2b amplitude for each task. C) Standard ERPs in both tasks at Pz, according to the tasks order. D) Mean visual P300 amplitude according to the temporal sequence of tasks (first and second). WM0 – discrimination task; WM1 – working memory task; s – seconds; order WM0-WM1 – the discrimination task performed firstly and the working memory task performed secondly; order WM1-WM0 – the working memory task performed firstly and the discrimination task performed secondly. Bars represent +/− standard error of the mean (SEM).