Personalized briefing
Discovery of the day · Neurology
Social network characteristics and cognitive function, decline, and mortality: A joint modeling approach
Dear Kelly M Leyden, this is your personalized scientific intelligence briefing — curated for your work in Neurology.
Key finding
Medicine · Neurology
Discovery of the day
This study demonstrates that structural and functional social network characteristics are associated with higher executive function and verbal episodic memory in adults aged 90 and older, though they do not predict short-term cognitive decline or mortality. Using joint models on 677 participants from the multi-ethnic LifeAfter90 Study with repeated cognitive testing every six months, researchers found consistent associations across both sexes. For your work on neurodegenerative disease biomarkers, these findings highlight the importance of incorporating psychosocial and behavioral data as potential confounders or covariates when correlating blood-based proteomic biomarkers with multimodal data such as clinical assessments and cognitive trajectories.
Novelty
72%
Rigor
85%
Significance
74%
Validity
82%
Clarity
88%
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