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Significant contrasts from Tract-Based Spatial Statistics: PPCS+ vs Controls. Patients with persistent post-concussion symptoms (PPCS+) versus healthy controls; total sample (A), uncomplicated sample (B). Statistically significant voxels in red and yellow. AD, axial diffusivity; FA, fractional anisotropy; Kax, axial kurtosis; KFA, kurtosis fractional anisotropy; Kmean, kurtosis mean; Krad, radial kurtosis; MD, mean diffusivity; RD, radial diffusivity.
