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Abnormal free-water values in first-episode patients. Axial slices (bottom) and 3D rendering (top) demonstrate a localized pattern for significant FAT value decreases (red to yellow) in fibers that pass through the frontal lobe. A global pattern for significant free-water value increases (blue to dark blue) is found throughout the white matter skeleton (green). The FAT map is drawn on top of the free-water map and on top of the skeleton.
