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Author

M. Corrada

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Sep 2026

Gait Speed and Survival in Those With Exceptional Longevity: The LifeAfter90 Study.

BACKGROUND Although gait speed is a well-established predictor of mortality, it is understudied among ethnoracially diverse oldest-old cohorts. We examined the association between gait speed and all-cause mortality in an ethnoracially diverse 90+ population. METHODS We examined the association between gait speed and...

Rifat B. Alam, Hilary L. Colbeth, A. Posis et al. · 0 citations
Open access Aug 2026

Beyond amyloid: Contributions of neuroinflammation, cerebrovascular disease, and neurodegeneration to memory impairment in the oldest‐old, the LifeAfter90 Study

It is hypothesized that elevated neuroinflammation, indicated by reactive astrocytosis, acts on cerebrovascular disease and separately, on amyloid beta (Aβ) pathology, to promote downstream medial temporal lobe atrophy and memory impairment.

Batool M. Rizvi, P. Maillard, A. Posis et al. · 0 citations
Open access Jul 2026

Amyloid PET Quantitation and Centiloid Thresholds in the Diagnosis of Alzheimer Disease: An Individual Participant Data Meta-Analysis.

A double-cutoff analysis suggest that scans in the 11 to 26 Centiloid range should be interpreted with caution depending on the context of use, and positivity cutoffs converged around 18 Centiloids (data-driven) and 27 Centiloids (visual reads).

G. Blazhenets, D. Soleimani-Meigooni, Konstantinos Chiotis et al. · 5 citations

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