Education differentially contributes to cognitive reserve across racial/ethnic groups

Justina F. Avila, Miguel Arce Rentería, Richard N. Jones, Jet M.J. Vonk, Indira Turney, Ketlyne Sol, Dominika Seblova, Franchesca Arias, Tanisha Hill-Jarrett, Shellie Anne Levy, Oanh Meyer, Annie M. Racine, Sarah E. Tom, Rebecca J. Melrose, Kacie Deters, Luis D. Medina, Carmen I. Carrión, Mirella Díaz-Santos, De Annah R. Byrd, Anthony ChesebroJuliet Colon, Kay C. Igwe, Benjamin Maas, Adam M. Brickman, Nicole Schupf, Richard Mayeux, Jennifer J. Manly

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: We examined whether educational attainment differentially contributes to cognitive reserve (CR) across race/ethnicity. Methods: A total of 1553 non-Hispanic Whites (Whites), non-Hispanic Blacks (Blacks), and Hispanics in the Washington Heights-Inwood Columbia Aging Project (WHICAP) completed structural magnetic resonance imaging. Mixture growth curve modeling was used to examine whether the effect of brain integrity indicators (hippocampal volume, cortical thickness, and white matter hyperintensity [WMH] volumes) on memory and language trajectories was modified by education across racial/ethnic groups. Results: Higher educational attainment attenuated the negative impact of WMH burden on memory (β = −0.03; 99% CI: −0.071, −0.002) and language decline (β = −0.024; 99% CI:− 0.044, −0.004), as well as the impact of cortical thinning on level of language performance for Whites, but not for Blacks or Hispanics. Discussion: Educational attainment does not contribute to CR similarly across racial/ethnic groups.

Original languageEnglish (US)
JournalAlzheimer's and Dementia
DOIs
StateAccepted/In press - 2020

Keywords

  • cognitive aging
  • cognitive reserve
  • education
  • racial/ethnic differences

ASJC Scopus subject areas

  • Epidemiology
  • Health Policy
  • Developmental Neuroscience
  • Clinical Neurology
  • Geriatrics and Gerontology
  • Psychiatry and Mental health
  • Cellular and Molecular Neuroscience

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