How loneliness affects brain aging and Alzheimer's disease risk

Investigating the impact of loneliness on brain aging and pre-symptomatic Alzheimer's disease progression

NIH-funded research Mcgill University · NIH-10836473

This study is looking at how feeling lonely might affect brain health as we age, especially for older adults who are at risk for Alzheimer's, to help us understand if loneliness can lead to changes in the brain and speed up memory problems.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionMcgill University NIH-funded
Lab location1 site (Montreal, Canada)
Project IDNIH-10836473 on NIH RePORTER

What this research studies

This research investigates the relationship between feelings of loneliness and brain aging, particularly in older adults at risk for Alzheimer's disease. It aims to understand how loneliness may signal early brain changes and potentially accelerate the progression of cognitive decline. By analyzing data from a large population sample, the study will explore how loneliness interacts with brain structure and function, providing insights into its impact on cognitive health. Participants may contribute to identifying normative and non-normative brain aging trajectories associated with loneliness.

Who could benefit from this research

Good fit: Ideal candidates for this research are older adults experiencing feelings of loneliness or those at risk for Alzheimer's disease.

Not a fit: Patients who are not experiencing loneliness or do not have any cognitive decline may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for mitigating Alzheimer's disease risk by addressing loneliness in older adults.

How similar studies have performed: Previous research has shown promising results in understanding the links between loneliness and cognitive decline, suggesting that this approach may yield valuable insights.

Where this research is happening

Montreal, Canada

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.
Last reviewed 2026-06-13 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.