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Related Experiment Video

Updated: Jan 8, 2026

Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children
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Public Health.

Arantxa Sánchez Boluarte1,2, Alicia Boluarte Carbajal3, Danilo A Sanchez Coronel4

  • 1Universidad Peruana Cayetano Heredia, Lima, Lima, Peru.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 23, 2025
PubMed
Summary
This summary is machine-generated.

This study assessed cognitive function in Shawi Indigenous adults in Peru, finding a high prevalence of neurocognitive disorder (NCD) potentially linked to low educational levels. Further research is needed to adapt assessment tools for indigenous populations.

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Area of Science:

  • Neurology
  • Cognitive Science
  • Indigenous Health Research

Background:

  • Limited neurological health data exists for Amazonian Indigenous populations, particularly concerning neurocognitive disorders (NCDs).
  • Low educational attainment is prevalent in these communities and significantly impacts cognitive function.
  • This study focuses on evaluating cognitive function in Shawi Indigenous adults aged 50 and above in Loreto, Peru.

Purpose of the Study:

  • To describe the cognitive function of Shawi Indigenous adults aged 50 and older.
  • To provide initial data on neurocognitive disorder prevalence within this underserved population.
  • To highlight challenges in assessing cognitive function in low-literacy, culturally diverse groups.

Main Methods:

  • A cross-sectional study was conducted with 234 Shawi adults between November 2023 and January 2024.
  • Cognitive function was assessed using culturally adapted and translated versions of the Rowland Universal Dementia Assessment Scale (RUDAS-PE) and the Modified Mini-Mental State Examination (3MS).
  • Descriptive statistics were used to summarize cognitive scores, with adaptations made for participants with low literacy.

Main Results:

  • The median age was 58 years, with 72.6% lacking formal education.
  • Median scores were 22 on RUDAS-PE and 67 on 3MS, with significant challenges in visuospatial tasks due to low literacy.
  • Preliminary analysis indicated that 80% of participants scored below established NCD cutoffs on both assessment tools.

Conclusions:

  • This research presents the first cognitive function data for the Shawi people, suggesting a high burden of NCD.
  • Further research is essential to refine NCD assessment tools and cutoff scores for indigenous populations.
  • Adaptation of testing instruments is crucial to accurately detect NCD in groups with low literacy and distinct cultural perspectives on aging and memory.