Chunk #39 — RESULTS — PCA component waveforms and topographies — P3 source

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ERP generator patterns in schizophrenia during tonal and phonetic oddball tasks: effects of response hand and silent count.

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Factor 355 corresponded to P3 source amplitude for targets, spanning parietal sites with a midline maximum in both tasks (Figure 3B, row 4). Two separate ANOVA were computed using three homologous pairs over medial and lateral centroparietal sites (P3/4, CP5/6, P7/8) or at midline (Pz).