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. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: Neuroimage. 2016 Oct 15;146:609–625. doi: 10.1016/j.neuroimage.2016.09.038

Figure 3. Spatial distribution of global signals.

Figure 3

For several scans of Figure 2, maps are shown of each voxel’s correlation with the global signal (GSCORR). The first 3 subjects exhibit minimal fluctuations, the next 3 exhibit obvious fluctuations, the next 3 exhibit obvious fluctuations and head motion, and the final maps show examples of global signal distributions that reflect artifact.