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. Author manuscript; available in PMC: 2020 Jul 30.
Published in final edited form as: Brain Struct Funct. 2019 Dec 4;225(1):227–240. doi: 10.1007/s00429-019-01996-5

Figure 6. Spatiotemporal dynamics of the global signal.

Figure 6.

(A) An example of a global signal epoch including 8 rsfMRI volumes (gray dots) surrounding a local peak (red dot). (B) Averaged spatiotemporal pattern of global signal epochs in SE-rsfMRI data. Each column represents the averaged spatial pattern of global signal epochs at a time point. (C) Averaged spatiotemporal pattern of global signal epochs in ME-rsfMRI data. (D) Frame-by-frame global signal amplitude averaged across all epochs in SE and ME-rsfMRI data, respectively.