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Decreased gray matter for (A) PD-VH < control, (B) PD-VH < PD-nonVH, (C) PD-VH < PD-nonVH controlling for CAMCOG score. Voxelwise threshold = p < 0.001, uncorrected for multiple comparisons (radiologic convention: L = R). CAMCOG = Cambridge Cognition Examination; PD-nonVH = Parkinson disease–non-visual hallucinator; PD-VH = Parkinson disease–visual hallucinator.
