2026
conference-abstract
OpenAlex
Jesus Melgarejo, Silvia Mejía-Arango, Luís Mena, Joseph Lee et autres
Objective: Vascular dysregulation contributes to the pathophysiology of Alzheimer's disease and related disorders (ADRD). When examining dynamic biological functions in ADRD, studies have focused on linear vascular variability, which limits evaluating the dynamics and regulation of temporal vascular signals, including blood pressure …
us, es
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2026
article
OpenAlex
Halle Cathey, David Hernández-Bonilla, Marlene Cortez‐Lugo, Silvia Mejía-Arango et autres
BACKGROUND: Previous epidemiological studies have examined the relationship between metal exposures and cognitive function in older adults. However, results regarding copper suggest that both deficient and excessive concentrations can be detrimental to cognitive function. METHODS: This cross-sectional study analyzed the association between …
us, si
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Accès ouvert
2025
preprint
OpenAlex
Chun Xu, Daniela Ollervides-Charles, Luis Aguillon, Erika Guajardo et autres
Background/Objectives: Latinos are approximately 1.5 times more likely to develop Alzheimer’s disease (AD) than non-Hispanic populations, with contributing factors including genetics, lifestyle, and cultural values such as familism. Favorable lifestyle behaviors and strong familism have been linked to reduced disease risk. This …
us
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Accès ouvert
2025
article
OpenAlex
Silvia Mejía-Arango, Miguel Arce Rentería, Joseph L Saenz, Rebeca Wong
OBJECTIVES: This study aimed to estimate the prevalence of dementia and mild cognitive impairment (MCI) in Mexico and establish sociodemographic, contextual, and health predictors leveraging the first wave of the Mexican Cognitive Aging Ancillary Study (Mex-Cog), a subsample of the Mexican Health …
us
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Accès ouvert
2025
article
OpenAlex
Silvia Mejía-Arango, Jeremy A. Tanner, Campbell Sullivan, Ashley LaRoche et autres
Abstract The South Texas ADRC (STAC) is the only Texas-based ADRC with three sites—San Antonio, Laredo, and the Rio Grande Valley—and leads in Hispanic participant data (about 60%) among the 36 active ADRCs. To better understand the characteristics of our cohort, we …
us
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2025
conference-paper
OpenAlex
Silvia Mejía-Arango, Luciana Guzmán, Santanu Khataniar, Carlos Gonzalez et autres
Abstract This paper describes the experience gained from the development and application of data-driven modeling techniques to enhance the efficiency of waterflood operations in several mature fields in Block 61, Ecuador. A modeling application that integrates data analytics, machine learning (ML) and …
ec
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Accès ouvert
2025
article
OpenAlex
Emily M. Briceño, Darina T. Bassil, Pranali Yogiraj Khobragade, Anthony K. Ngugi et autres
OBJECTIVES: The Harmonized Cognitive Assessment Protocol (HCAP) neuropsychological assessment approach aims to support the collection of harmonizable data on cognitive function for cross-national cognitive aging and dementia research. As the measurement of cognition is sensitive to differences in contextual, cultural, educational, linguistic, …
us, Kenya, lb, Ouganda, de, Malawi
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Accès ouvert
2025
article
OpenAlex
Stephanie Santiago-Mejías, Gabrielle Hromas, Ashley LaRoche, David A. Gonzalez et autres
INTRODUCTION: Neuropsychological assessment of bilingual (English/Spanish) individuals presents challenges that can impact test validity. Language proficiency influences cognitive performance, yet clear guidelines for determining the appropriate test language are lacking. We describe our experiences at the South Texas Alzheimer's Disease Research Center …
us
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Accès ouvert
2025
article
OpenAlex
Emma Aguila, Silvia Mejía-Arango
BACKGROUND AND OBJECTIVES: The rapid aging of population in low- and middle-income countries, their economic disadvantages, and the increase in Alzheimer's disease related dementia point to a need to understand cognitive aging of disadvantaged individuals. This research considers the effects of education, …
us
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2025
conference-abstract
OpenAlex
Jesús D. Melgarejo, Vincent P. Diego, Kristina P. Vatcheva, Silvia Mejía-Arango et autres
Introduction: Although vascular dysregulation is emerging as a contributor to the pathophysiology of Alzheimer’s disease and related disorders (ADRD), studies have focused on linear variability, which limits evaluating dynamics and regulation of temporal vascular signals. Hypothesis: We hypothesize that ADRD is characterized …
us, mx
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Accès ouvert
2025
article
OpenAlex
Shana Garza, Silvia Mejía-Arango, Kristina P. Vatcheva, Sokratis Charisis et autres
BACKGROUND: Although high blood pressure (BP) level and variability are associated with Alzheimer's disease (AD), their relationship with cortical thickness in brain regions that are associated with AD is unclear. Furthermore, the role of 24-h BP has not been examined. We investigated …
mx, us, fi
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Accès ouvert
2025
article
OpenAlex
María del Pilar Santacruz Ortega, Bertha Lucía Avendaño Prieto, Sonia Gisela Ríos-Cruz, Silvia Mejía-Arango
A partir de un análisis secundario de los datos derivados del estudio SABE Colombia 2015, con 1394 adultos de 60 años o más, se identificó el papel mediador de diferentes variables sociodemográficas y de calidad de vida en la relación entre depresión …
co, mx
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