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Mean FA skeletons in the PD patients and healthy controls using TBSS analysis.
a–f represent the number of different levels. Green represents the white matter skeleton, and red represents the reduced FA value in the white matter tracts of PD patients. PD: Parkinson's disease; FA: fractional anisotropy; TBSS: tract-based spatial statistics; A: anterior; P: posterior; R: right side; L: left side; S: superior: I: inferior.
