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-11081953

This study is looking at how feeling lonely might affect the brains of older adults who are at risk for Alzheimer's disease, hoping to find clues that could help us understand and predict changes in brain health.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionMcgill University NIH-funded
Lab location1 site (Montreal, Canada)
Project IDNIH-11081953 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 influence brain structure and function, potentially serving as an early indicator of cognitive decline. The study will utilize a large population data sample to analyze the effects of loneliness on brain health and identify patterns that could predict Alzheimer's progression. By examining these connections, the research seeks to uncover the underlying mechanisms linking loneliness to dementia risk.

Who could benefit from this research

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

Not a fit: Patients who are not experiencing loneliness or who are not at risk for Alzheimer's disease may not benefit from this research.

Why it matters

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

How similar studies have performed: Previous research has indicated a connection between loneliness and cognitive decline, suggesting that this approach may yield valuable insights into Alzheimer's disease progression.

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.