Observational studyJournal of Parkinson's disease2025
Apathy linked to higher amyloid burden and cognitive deterioration in Parkinson's disease.
Observational study in Journal of Parkinson's disease, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Distinct neurostructural, cognitive, and neuropsychiatric associations of plasma p-tau217, and Aβ42/40 in Parkinson's disease and aging cohorts.Frontiers in aging neuroscience · 2026Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BackgroundApathy, defined as a quantitative reduction in goal-directed activity, is a non-motor manifestation that can be present in Parkinson's disease (PD). It seems to be a risk factor for conversion to dementia (PDD) in this population. Amyloid-β deposition also predicts progression to PDD.ObjectiveWe aimed to investigate whether PD patients with apathy showed higher amyloid burden than those without, as well as how these features may influence the rate of progression to dementia.MethodsWe conducted an observational cross-sectional and longitudinal study. Forty-eight PD patients were recruited, including 20 with apathy and 28 without it according to the Starkstein Apathy Scale. They underwent clinical and cognitive evaluations and [
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