Why some people have lasting memory problems after a head injury
Official title: Risk Factors for Chronic Memory Problems after Traumatic Brain Injury
Funded at Miami VA Health Care System · NIH-11306561 · Data updated 2026-11-12
Researchers are looking at whether stressful childhood experiences make adults more likely to have long-term memory problems after a traumatic brain injury.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Miami VA Health Care System NIH-funded |
| Lab location | 1 site (Miami, United States) |
| Project start | January 1, 2022 |
| Project end | December 31, 2026 |
| Funding year | 2026 |
| NIH project number | 5I01RX003782-05 |
| Project ID | NIH-11306561 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults who have had a traumatic brain injury—especially Veterans or people who experienced significant childhood adversity—would be most relevant to the findings and future trials.
✕Less likely to help
People without a prior TBI or whose memory issues are caused by other conditions (such as Alzheimer's disease) are unlikely to benefit directly from this work.
What this research studies
This project uses a rat model to mimic early-life stress and then gives an adult head injury to see if early stress changes recovery. Scientists measure brain inflammation signals (like IL-1β and the NLRP3 inflammasome), look for loss of hippocampus cells and shrinkage, and test memory-related behaviors. The goal is to link childhood stress, immune changes in the brain, and worse memory after TBI so new treatments can be found. Although the lab work is in animals, the research focuses on problems reported by Veterans and other adults with TBI.
Why it matters
Potential benefit: If successful, this work could point to biological targets to prevent or reduce long-term memory loss after traumatic brain injury.
How similar studies have gone: Previous animal and human studies have linked early-life stress and neuroinflammation to later brain problems, but applying those mechanisms to explain worse recovery after adult TBI is a relatively new direction.
Where this research is happening
-
Miami VA Health Care System
Miami, United States Active
Researchers
- Principal investigator: Atkins, Coleen M. — Miami VA Health Care System
- Study coordinator: Atkins, Coleen M.
Related research
Other NIH-funded projects on the same topics.
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Investigating the causes of long-term memory issues after brain injuries
This study is looking at how early life stress might affect recovery from memory problems after a traumatic brain injury, especially for military service members and Veterans, to help find better treatments for those who need it.
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This project aims to find out whether traumatic brain injuries make people more likely to develop hardened arteries and heart problems, especially among veterans.
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Neural targets for improving function in Veterans with alcohol use disorder and mild brain injury
This project tests a targeted brain-stimulation approach to help Veterans who have both alcohol use problems and mild traumatic brain injury improve daily functioning.
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How head injuries affect the heart and blood vessels
This project is looking at whether past traumatic brain injuries cause changes in blood vessels and raise the risk of heart disease for people who have had head injuries.
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Keeping oxygen in the injured brain after severe head trauma
This project uses a small brain oxygen monitor to guide ICU care for people with severe traumatic brain injury in hopes of improving recovery.
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.