The impact of bilingualism on cognitive reserve/resilience using socio-demographically and linguistically diverse populations

Active Project Grant Awarded Last action

Award ID
R01AG080469
Recipient
Awarding agency
Obligated
$7,966,456

Award facts

Assistance listing
93.866 Aging Research
Completion date 72% complete
Place of performance
San Francisco, CA 94143, USA

Award details come from USAspending.gov.

Description

Abstract
Alzheimer's disease (ad) is the most common form of dementia, impacting millions of people globally. Despite the advancements in understanding fundamental biological constructs of ad and the fact that the global population of bilinguals has outnumbered monolinguals, our understanding of the impact of bilingualism on ad/adrd (ad and related dementias) remains limited. Previous bilingualism studies suggest that the bilingual experience impacts cognition and ad/adrd, albeit in varying scale that stems from variabilities in demographic profiles and prevalence of adrd risk factors. The overarching goal of this study is to directly interrogate the neural and sociocultural aspects of bilingualism across multiple race/ethnic groups, with specific emphasis on deconstructing the links between bilingualism and ad. To accomplish this, the university of california, SAN francisco alzheimer's disease research center in california, the national institute of mental health and neurosciences in india, and the health and aging brain study- health disparities study in texas will jointly assemble one of the largest, multicultural, multilingual, and well-characterized cohort of 2,200 individuals representing the world's most commonly spoken languages: chinese, spanish, kannada, and english languages. This study team will collect cross-sectional data on cognition, imaging, molecular biomarkers, language background, and sdoh, and follow-up language, sdoh, and cognitive data for three years. We intend to build a theoretical framework on the cognitive role of bilingualism by deconstructing bilingualism and examining its features via a multidimensional lens. We will examine the inter-relationship of this multidimensional bilingualism construct with cognition and social determinants of health using structural and functional magnetic resonance imaging and ad/adrd molecular biomarkers. Our central hypothesis is that specific bilingualism features would influence the cognitive trajectory by improving executive control through the mechanism of brain and cognitive reserve even after accounting for social determinants of health and ad/adrd biomarkers. This proposed study will provide novel mechanistic insights into the multidimensionality of bilingualism and create an exclusive opportunity to study the cognitive relevance of bilingualism using socio-demographically and linguistically diverse cohorts. This study also has the unique settings to evaluate the generalizability of the proposed cognitive-bilingualism theoretical framework across populations that differ in sociocultural, demographic, and linguistic background.

Transactions

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Original award $942,151
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Subawards

Subrecipient Amount Awarded
Mayo Clinic The impact of bilingualism on cognitive reserve/resilience using socio-demographically and linguistically diverse populations $43,482
National Institute Of Mental Health And Neuro Sciences The overarching goal of this project is to delineate the impact of bilingualism on cognitive reserve/resilience using socio-demographically and linguistically… $210,918
National Institute Of Mental Health And Neuro Sciences The overarching goal of this project is to delineate the impact of bilingualism on cognitive reserve/resilience using socio-demographically and linguistically… $342,566
The Washington University Purpose: This study will examine the impact of the multidimensional constructs of bilingualism on cognitive reserve, neuronal, and AD biomarkers (imaging and… $62,983
Icahn School Of Medicine At Mount Sinai The overarching goal of this project is to delineate the impact of bilingualism on cognitive reserve/resilience using socio-demographically and linguistically… $130,638
Mayo Clinic Along with UCSF personnel, Dr. Prashanthi Vemuri will perform the following tasks: 1. COMMITMENT of SUBCONTRACTOR SITE - Prashanthi Vemuri, Ph.D., will have… $140,864
The University Of North Texas Health Science Center At Fort Worth The purpose of the proposed study is to compare bilingual effects/cognition in sociodemographically diverse populations through the use of Mexican American,… $210,918

Quick answers

Who received award R01AG080469?

R01AG080469 was awarded to The Regents Of The University Of California. San Francisco by National Institute on Aging (National Institutes of Health) on May 1, 2023.

How much is award R01AG080469 worth?

$7,966,456 has been obligated on R01AG080469.

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