Divergent amyloid trajectories distinguish normal aging from Alzheimer's disease progression
Mingzhao Tong, Tianchuan Gao, Yurika Upadhyaya, Kwangsik T. Nho, Shiaofen Fang, Andrew J. Saykin, Jingwen Yan, Alzheimer’s Disease Neuroimaging Initiative
This paper models Alzheimer's disease progression as a deviation from aging using longitudinal amyloid PET data and a self-supervised trajectory-learning framework, revealing distinct trajectories in early-stage aging and AD.
bioRxiv · Sep 14, 2026 · PreprintNeuroscience