How aerobic exercise affects fear learning in PTSD
Official title: The influence of aerobic exercise on consolidation of fear extinction learning in PTSD
Funded at University of Alabama in Tuscaloosa · NIH-11041172 · Data updated 2026-11-12
This study is looking at how different levels of aerobic exercise—light, moderate, or intense—can help people with PTSD feel less anxious and remember things better after therapy, and it also checks how a natural substance in the body might play a role in this process.
Quick facts
| Grant type | Career grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Alabama in Tuscaloosa NIH-funded |
| Lab location | 1 site (Tuscaloosa, United States) |
| Project start | March 3, 2023 |
| Project end | February 29, 2028 |
| Funding year | 2025 |
| Award (this year) | $182,304 |
| NIH project number | 5K01MH132545-04 |
| Project ID | NIH-11041172 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research are adults aged 21 and older who are experiencing symptoms of PTSD.
✕Less likely to help
Patients who do not have PTSD or those who are unable to participate in aerobic exercise may not benefit from this research.
What this research studies
This research investigates how different intensities of aerobic exercise can influence the process of fear extinction learning in individuals with posttraumatic stress disorder (PTSD). By conducting a randomized controlled study using fMRI, the researchers aim to determine if light, moderate, or high-intensity exercise after exposure therapy can enhance memory recall and reduce anxiety related to trauma reminders. The study also explores the role of anandamide, a natural compound in the body, in this process. Patients may participate in exercise sessions and undergo brain imaging to assess the effects on their PTSD symptoms.
Why it matters
Potential benefit: If successful, this research could lead to improved treatments for PTSD, enhancing the effectiveness of exposure therapies through the incorporation of aerobic exercise.
How similar studies have gone: Preliminary studies have shown promising results with aerobic exercise enhancing fear extinction learning, suggesting this approach may be effective.
Where this research is happening
-
University of Alabama in Tuscaloosa
Tuscaloosa, United States Active
Researchers
- Principal investigator: Crombie, Kevin M — University of Alabama in Tuscaloosa
- Study coordinator: Crombie, Kevin M
Related research
Other NIH-funded projects on the same topics.
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Ketamine to boost fear extinction and memory on PTSD patients
A study testing whether ketamine can help people with PTSD better relearn and forget fear when given in a guided treatment plan.
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Understanding fear system wiring in PTSD and how brain myelin changes relate to symptoms
Researchers are studying how changes in brain myelin in PTSD might drive abnormal fear processing and connectivity to help guide new treatments.
-
Ketamine to boost memory reconsolidation and fear extinction in PTSD
A study at Yale will test whether ketamine given around intensive exposure therapy helps people with PTSD learn to forget or reduce fear more effectively.
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Understanding how the brain learns to avoid fear in PTSD patients
This study is looking at how the brain helps people with PTSD learn to avoid things that scare them and how this connects to overcoming their fears, using brain scans to compare those with PTSD and those who have experienced trauma but don’t have PTSD.
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Understanding how fear is learned and remembered in PTSD
This study is looking at how people with PTSD learn to recognize and remember threats, so we can create better treatments that help them manage their fears in everyday life.
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Cholinergic Brain Pathways in PTSD and Fear Extinction
We’re studying a brain chemical system (acetylcholine and a key receptor) to understand fear learning and PTSD better, with people who’ve experienced trauma.
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.