Why aging makes it harder to link related memories
Molecular, Cellular and Circuit Mechanisms for Age-Related Deficits in Memory-Linking
Researchers are looking at how age-related changes in brain immune cells and a small brainstem area may cause trouble linking related memories, with the goal of preventing early Alzheimer-related decline.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of California Los Angeles NIH-funded |
| Lab location | 1 site (Los Angeles, United States) |
| Project ID | NIH-11297503 on NIH RePORTER |
What this research studies
You should know the team is using lab experiments in middle-aged mice to learn why older brains have trouble connecting events that happened close together in time. They focus on two things that change with age — microglia (the brain's immune cells) and the locus coeruleus (a small brainstem area) — and how these changes affect hippocampal circuits that link memories. The scientists test whether recalling one context brings back another and manipulate cells and circuits to see what restores that linking. Their aim is to find early targets that could lead to prevention or treatments for memory problems seen before full-blown Alzheimer's.
Who could benefit from this research
Good fit: People in middle age who notice subtle problems connecting related events or who have a family history or other concerns about Alzheimer’s risk would be most likely to be recruited for related future human studies.
Not a fit: People with advanced Alzheimer’s dementia or those whose memory problems arise from unrelated medical causes (for example, stroke-related memory loss) are unlikely to see direct short-term benefit from these basic laboratory findings.
Why it matters
Potential benefit: If successful, this work could identify early brain changes to target for preventing or slowing memory-linking problems that precede Alzheimer’s disease.
How similar studies have performed: Previous animal studies have shown hippocampal ensemble mechanisms and early locus coeruleus/microglial changes affect memory, but applying this specifically to age-related memory-linking is a relatively new direction.
Where this research is happening
Los Angeles, United States
- University of California Los Angeles — Los Angeles, United States (Active)
Researchers
- Principal investigator: Golshani, Peyman — University of California Los Angeles
- Study coordinator: Golshani, Peyman
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.