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. 2015 Sep 4;9:478. doi: 10.3389/fnhum.2015.00478

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Copyright © 2015 Liao, Yuan, Zhao, Dai, Shu, Xia, Yang, Evans and He.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Dynamic functional hubs in the D-FC brain networks. (A) Time-varying degree centrality and dynamic functional brain hubs for one representative participant (ID: 9). Transient brain hubs at several windows (e.g., # = 100, 400, and 700) are displayed. Hub probability map was generated by counting the occurrence probability as hubs across sliding windows for each region. (B) Hub probability map for all participants (left) and scatter plot showing the across-node relationship between hub probability and temporal variability of functional degree centrality (right). The probability map for all participants was generated by averaging individual hub probability maps across participants. The surface-based visualizations were made using BrainNet Viewer (http://www.nitrc.org/projects/bnv/, Xia et al., 2013). D-FC, dynamic functional connectivity.