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Fig 2. A, A glass brain showing significant clusters of reduced FA in patients with PD compared with control subjects as viewed from the right (upper left), front (upper right), and above (lower left). SPM display is according to radiologic convention (right-to-left orientation). B, The statistical map is superimposed on the normalized average FA image. The images are in MNI space. Color bar indicates z-score. Clusters were considered significant at P < .05, corrected for multiple comparisons.
