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. 2015 Oct 31;10:36–45. doi: 10.1016/j.nicl.2015.10.017

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© 2015 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 1 — Calculation of WMH volume from periventricular region and gray–white matter junction. (A) The white matter hypointensity (WMH) mask (green clusters) from a single subject is overlaid on (B) the dilated ventricle masks (red = right lateral and inferior ventricle; blue = left lateral and inferior ventricle) to calculate the total number of WMH voxels that fall within the periventricular region. The WMH mask is overlaid on (C) the dilated white matter surface mask (pink = right hemisphere; yellow = left hemisphere) to calculate the total number of WMH voxels that fall within the gray–white matter junction (GWJ).