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. 2010 Oct 29;4:202. doi: 10.3389/fnhum.2010.00202

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Copyright © 2010 Gramann, Gwin, Bigdely-Shamlo, Ferris and Makeig.

This is an open-access article subject to an exclusive license agreement between the authors and the Frontiers Research Foundation, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited.

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(A) Centroid (bigger sphere) and individual ICs of the IC cluster (19) contributing most strongly to the P3 peak. This cluster comprised 13 ICs from 11 subjects (here displayed as smaller spheres) in or near anterior cingulate cortex (BA32, here shown in the standard MNI brain volume). (B) Target and non-target stimulus ERPs (middle and right columns) in the (dashed/shaded) P3 latency range. Gray-shaded “ERP envelopes” enclose the bundle of spatially filtered scalp channel ERP values. Magenta-filled envelopes enclose the ERP contributions to the scalp channel data.