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. 2019 Aug 7;4(4):e752. doi: 10.1097/PR9.0000000000000752

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Written work prepared by employees of the Federal Government as part of their official duties is, under the U.S. Copyright Act, a “work of the United States Government” for which copyright protection under Title 17 of the United States Code is not available. As such, copyright does not extend to the contributions of employees of the Federal Government.

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Figure 4. — Sliding-window analysis of dynamic functional connectivity in resting-state fMRI. In sliding-window analyses, the BOLD time series from 2 distinct regions or networks are extracted, and then the correlation between the time series over a set “window” of time is computed as a metric of FC, a process that is repeated for N windows (in this case, N = 25) to determine the time series of FC. Reproduced with permission from Ref. 63. FC, functional connectivity; fMRI, functional magnetic resonance imaging.