ArticleFrontiers in psychiatry2025
Longitudinal associations between amyloid and symptoms of depression and anxiety in subjective cognitive decline: the impact of personality characteristics.
Article in Frontiers in psychiatry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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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Abstract
Introduction: Depressive/anxiety symptoms are common in subjective cognitive decline (SCD) and may relate to Alzheimer's pathology, potentially modulated by personality characteristics. Methods: Depressive/anxiety symptoms were assessed over 4 ± 2 years in 329 SCD (88 amyloid-positive/241 amyloid-negative) using Geriatric Depression Scale-15 (GDS), Center for Epidemiological Studies-Depression (CES-D), and Hospital Anxiety and Depression Scale-Anxiety (HADS-A). Mixed-effects models assessed associations between amyloid status and these symptoms, with neuroticism and somatization as effect-modifiers. Results: Amyloid status was not directly associated with GDS, CES-D or HADS-A. However, neuroticism modified the association between amyloid status and GDS (p<0.05). In lower neuroticism, amyloid positivity was associated with GDS increase (β:0.10 ± 0.08), but not in higher neuroticism (β:-0.04 ± 0.12). Somatization modified the association between amyloid status and CES-D (p<0.05). In lower somatization, amyloid positivity was associated with CES-D increase (β:0.65 ± 0.23), but not in higher somatization (β:-0.12 ± 0.29). Discussion: Amyloid-positive individuals with lower neuroticism/somatization increased more in depressive symptoms over time, suggesting a preclinical AD-related depressive phenotype.
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