PSD

PSD is associated with cognitive level in humans.

“Speech digital biomarker PSD correlated with cognitive level, serum serum glial fibrillary acidic protein (GFAP), neurofilament light chain (NFL), phosphorylated tau protein 217 ( p ‐Tau217) and amyloid deposition.”

Humansn = 1,200

Speech digital biomarker combined with fluid biomarkers can predict Alzheimer’s type cognitive impairment through machine learning

AAIC 2025 abstract·23 Dec 2025