ArticleAlzheimer's & dementia (Amsterdam, Netherlands)
Multilingual characteristics and cognition among older adults in India.
Miguel Arce Rentería, Iris M Strangmann, Pranali Khobragade, Madeleine G Snider, Sarah Petrosyan, Shrikanth Narayanan, Erik Meijer, Emma Nichols, Leon M Aksman, Jinkook Lee
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5 · Who and what moneyAuthors and funding
10 authors.
Miguel Arce RenteríaDepartment of Neurology Taub Institute for Research on Alzheimer's Disease and the Aging Brain Columbia University College of Physicians and Surgeons New York New York USA.ORCID https://orcid.org/0000-0002-4696-6279 Iris M StrangmannDepartment of Neurology Taub Institute for Research on Alzheimer's Disease and the Aging Brain Columbia University College of Physicians and Surgeons New York New York USA.
Pranali KhobragadeCenter for Economic and Social Research Leonard Davis School of Gerontology University of Southern California Los Angeles California USA.
Madeleine G SniderDepartment of Neurology Taub Institute for Research on Alzheimer's Disease and the Aging Brain Columbia University College of Physicians and Surgeons New York New York USA.
Sarah PetrosyanCenter for Economic and Social Research Leonard Davis School of Gerontology University of Southern California Los Angeles California USA.
Shrikanth NarayananDepartment of Electrical and Computer Engineering Signal Analysis and Interpretation Laboratory University of Southern California Los Angeles California USA.
Erik MeijerCenter for Economic and Social Research Leonard Davis School of Gerontology University of Southern California Los Angeles California USA.
Emma NicholsCenter for Economic and Social Research Leonard Davis School of Gerontology University of Southern California Los Angeles California USA.
Leon M AksmanMark and Mary Stevens Neuroimaging and Informatics Institute Keck School of Medicine University of Southern California Los Angeles California USA.
Jinkook LeeCenter for Economic and Social Research Leonard Davis School of Gerontology University of Southern California Los Angeles California USA.
Funding
Leveraging a natural experiment to estimate the causal impact of blood sugar on dementia and cognition in IndiaR01AG051125 · NIA · UNIVERSITY OF SOUTHERN CALIFORNIA · PI Jinkook Lee · 2015 to 2026
$26.8MHarmonized Diagnostic Assessment of Dementia (DAD) for Longitudinal Aging Study of India (LASI)-Genomic study.U01AG064948 · NIA · UNIVERSITY OF SOUTHERN CALIFORNIA · PI KARDIA, SHARON L, LEE, JINKOOK · 2019 to 2023
$12.5MModifiable Protective and Risk Factors of Late-Life Cognitive Health and DementiaRF1AG055273 · NIA · UNIVERSITY OF SOUTHERN CALIFORNIA · PI LANGA, KENNETH M, LEE, JINKOOK · 2017 to 2017
$4.0MMultilingualism as a factor of resilience to Alzheimer's disease and related dementias in IndiaR01AG080473 · NIA · UNIVERSITY OF SOUTHERN CALIFORNIA · PI Leon Aksman, Miguel Arce · 2023 to 2026
$3.1MNIA NIH HHS R01 AG051125NIA NIH HHS R01 AG080473NIA NIH HHS RF1 AG055273NIA NIH HHS U01 AG064948
6 · The paper itselfAbstract
introductionLeveraging the Longitudinal Aging Study in India-Diagnostic Assessment of Dementia (LASI-DAD), we describe the linguistic profile of multilingual older Indian adults and the association of second language (L2) age of acquisition (AoA), proficiency, and daily use with cognition.
methodsParticipants (
resultsWhile L1s varied, the most common L2 was Hindi. Most participants acquired L2 during childhood and reported high understanding and speaking proficiencies. Acquisition location, language use, and reading/writing proficiencies differed by education. L2 proficiency was associated with executive functioning among those with ( DISCUSSION: In India, multilingualism is heterogenous across educational levels. Aspects of multilingualism were associated with cognition but differed by educational background.
Indexed as
bilingualismcognitionIndiaLASI‐DADmultilingualism
Identifiers
PMID42676666
PMCPMC13526898
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