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. 2016 Sep 30;7:1479. doi: 10.3389/fpsyg.2016.01479

Figure 3.

Figure 3

Grand-average ERP waveforms elicited over the Parieto-Occipital region (linear derivation of Pz, PO3, PO4, POz) by standard items (dotted gray lines), unambiguous target-ALL (solid gray lines), and ambiguous-SOME (solid black lines), depending on the Block type (A,B, match target; C,D, mismatch target), and the status of ambiguous-SOME (A,C, target; B,D, standard). In italics: the context of interpretation of ambiguous-SOME. The shaded areas represent the time-windows used for the analysis of P3b mean amplitudes.