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CSF mask effect: The effect of applying a CSF mask onto 2D data; A: original DGM mask; B: CSF mask; C: DGM mask corrected for CSF; D: difference between original mask (grey) and corrected mask (orange). Only the thalamus (4) was significantly impacted by the CSF mask. The other DGM structures in this figure are (1) caudate nucleus; (2): putamen; and (3): pallidum.
