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Fig 1. Visualization of the 4 fiber tracts in axial and sagittal views, with overlay of location selected for statistical analysis. Genu (green), splenium (yellow), and left and right motor tracts (cyan) are shown in a 3D display combined with the DTI FA image. CS-12, central corticospinal tract; CS9, cortical corticospinal tract; G0, central genu; G21, cortical genu; S0, central splenium; S24, cortical splenium.
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