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Comparison of fractional anisotropy (FA) images between the acute head injury subject (A-TBI6, left column) and a matched control subject (B-CNTL1, right column). Highest [18F]AV-1451 uptake was found in the corpus callosum as shown in the thresholded DVR images (A-iii, A-iv). (i) Axial view of the FA. (ii) Coronal view of the FA highlighting the subject's corpus callosum revealing lower FA in the acute head injury subject. Color image is available online.
