The DTI-ALPS index covaries with regional thalamic tissue susceptibility rather than clinical severity in Parkinson’s disease: a cross-sectional multimodal MRI study
The diffusion tensor image analysis along the perivascular space (DTI-ALPS) index is widely used as a non-invasive proxy for glymphatic function, but its biological specificity is increasingly questioned. Its region of interest lies in white matter sharing thalamocortical architecture with susceptibility-rich dee...