ArticleDementia & neuropsychologia2026
Subjective cognitive decline, and its cognitive and emotional correlates in Peruvian older adults.
Article in Dementia & neuropsychologia, 2026. 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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Abstract
Subjective cognitive decline (SCD) is a known risk factor for dementia, yet its association with objective cognition and emotional state remains underexplored in Latin American populations. Objective: The aim of this study was to explore the relationship between SCD, objective cognition, and emotional state in older adults from Arequipa, Peru. Methods: This study investigated these relationships in 43 older adults from Arequipa, Peru, classified as having SCD (n=17), mild cognitive impairment (n=12), or normal cognition (n=14). Participants underwent assessments of global cognition, subjective decline (via the E-Cog), objective cognitive domains, and emotional state. Results: Findings showed a significant association between SCD and emotional disorders, with emotional symptoms correlating with total E-Cog scores and specific domains such as memory, language, planning, and organization. Additionally, general cognition, long-term memory, and cognitive flexibility were associated with deficits in visuospatial processing, attention, and executive function. Conclusions: These results underscore the need to account for emotional factors when evaluating the relationship between SCD and objective cognitive performance.
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