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. 2015 Jan 16;25(11):4284–4298. doi: 10.1093/cercor/bhu325

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© The Author 2015. Published by Oxford University Press

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Axial slices are shown in radiological convention, that is the right hemisphere on the left of each slice, beginning with the most ventral slice. (A) Univariate whole-brain analysis of Study 1. The significant main effect of competing speech (MF_{DIOTIC/NON-PREDICTABLE} + MF_{DIOTIC/PREDICATBLE}) contrasted with noncompeting (M_{ALONE/NON-PREDICTABLE} + M_{ALONE/PREDICTABLE}) speech is projected as a red/yellow overlay, with a voxel-level threshold Z > 2.3, cluster-level threshold, P < 0.05. (1) Superior temporal gyri (STG); (2) anterior insula and frontal operculum (aI/FOp); (3) lateral prefrontal and inferior parietal cortical network (MFG/SMG); (4) precuneus; (5) dorsal anterior cingulate cortex and adjacent superior frontal gyrus (dACC/SFG). (B–D) Results from the 20-component independent-component analysis (ICA). (B). Component 2 demonstrated regions with significant activity during all listening conditions (including Tones) > Silence (P < 0.00001). (1) Bilateral STG. (C). Component 3 demonstrated areas of significant activity for all speech listening conditions > Silence (P < 0.00001). (1) Bilateral STG, (5) dACC/SFG, (6) Bilateral inferior frontal sulci (IFS), (7) bilateral intraparietal sulcus (IPS), (8) lateral cerebellar hemispheres. (D). Component 4 demonstrated a main effect of diotic speech (MF_{DIOTIC/NON-PREDICTABLE} + MF_{DIOTIC/PREDICATBLE}) > single speech (M_{ALONE/NON-PREDICATBLE} + M_{ALONE/PREDICTABLE}) (P < 0.00007). (1) Bilateral STG, (2) right aI/FOp, (3) MFG/SMG, (4) precuneus, (5) dACC/SFG.