Diffusion-based indices of fluid movement along perivascular pathways

1. Autism spectrum disorder is associated with diffusion-based indices of fluid movement along perivascular pathways in humans.

   “Autistic adults also showed significantly reduced diffusion indices and larger bilateral lateral ventricle and choroid plexus volumes relative to controls.”

   HumansAutistic adults compared with matched controlsbrainn = 49

   Altered cerebrospinal fluid-based clearance mechanisms in aging autistic adults

   Research square·20 Apr 2026Preprint

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