How speaking multiple languages affects brain health in aging and Alzheimer's disease

Effects of bilingualism in the presence of ADRD risk factors

['FUNDING_R01'] · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · NIH-11223966

This study is looking at how speaking more than one language might help older adults, especially those at risk for Alzheimer's and similar conditions, keep their brains healthy and strong as they age.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF CALIFORNIA, SAN FRANCISCO (nih funded)
Locations1 site (SAN FRANCISCO, UNITED STATES)
Trial IDNIH-11223966 on ClinicalTrials.gov

What this research studies

This research investigates the potential protective effects of bilingualism on cognitive health in older adults, particularly those at risk for Alzheimer's disease and related dementias (ADRD). It aims to understand how managing multiple languages may enhance brain function and resilience against cognitive decline. The study will analyze a cohort of both monolingual and bilingual individuals to explore the relationship between language use, executive functioning, and brain health. By examining various sociocultural factors and types of executive functioning tasks, the research seeks to clarify the nuances of bilingualism's impact on aging and dementia.

Who could benefit from this research

Good fit: Ideal candidates for this research are older adults who are bilingual or monolingual and may be at risk for Alzheimer's disease or related dementias.

Not a fit: Patients who are not at risk for cognitive decline or who do not speak more than one language may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could provide insights into how bilingualism may help protect against cognitive decline and improve brain health in aging populations.

How similar studies have performed: Previous research has shown mixed results regarding the cognitive benefits of bilingualism, indicating that this area is still being explored and holds potential for new insights.

Where this research is happening

SAN FRANCISCO, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Conditions: Alzheimer disease dementia, Alzheimer syndrome

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.