Digital Biomarkers

Scalable Markers for Early Cognitive Decline: Plasma p-tau217, Subjective Cognitive Concerns, and Digital Testing: Results from the A4/LEARN studies

Authors: Babak Khorsand, Devin Teichrow, Elham Ghanbarian, Lukai Zheng, S Ahmad Sajjadi, Crystal M Glover, Joshua D Grill, Laura A Rabin, Ali Ezzati

Journal: medRxiv

Year Published: 2025

Background and objectives: Although amyloid positron emission tomography (PET) and Cerebrospinal fluid (CSF) biomarkers remain the standard for confirming Alzheimer’s disease (AD) pathology, their use is impractical for screening or routine prognostic assessment. Plasma phosphorylated tau […]

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