Investigating how certain brain chemicals affect fear memory in PTSD
Official title: The role of cerebellar endocannabinoids in the reconsolidation and extinction of fear memory
Funded at Southeast Louisiana Veterans Health Care · NIH-10951490 · Data updated 2026-11-12
This study is looking at how certain natural chemicals in the brain can help people with PTSD change their fear memories, with the hope of finding new ways to help those who haven't had success with regular treatments.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Southeast Louisiana Veterans Health Care NIH-funded |
| Lab location | 1 site (New Orleans, United States) |
| Project start | October 1, 2023 |
| Project end | September 30, 2027 |
| Funding year | 2025 |
| NIH project number | 5I01BX006043-02 |
| Project ID | NIH-10951490 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research are veterans or individuals experiencing PTSD who struggle with persistent fear responses.
✕Less likely to help
Patients without PTSD or those who do not have a history of trauma may not receive any benefit from this research.
What this research studies
This research focuses on understanding how endocannabinoids in the cerebellum influence the processes of fear memory reconsolidation and extinction in individuals with post-traumatic stress disorder (PTSD). By exploring the mechanisms behind fear responses and how they can be modified, the study aims to identify new therapeutic approaches for patients who do not respond to traditional treatments. The methodology involves examining the brain's response to fear stimuli and testing potential interventions that could disrupt harmful fear memories. This could lead to innovative treatments that help patients learn to manage their fear responses more effectively.
Why it matters
Potential benefit: If successful, this research could lead to new therapies that significantly improve the treatment of PTSD, particularly for those who have not benefited from existing methods.
How similar studies have gone: While there has been extensive research on fear memory and its treatment, this specific approach focusing on cerebellar endocannabinoids is relatively novel and has not been widely tested.
Where this research is happening
-
Southeast Louisiana Veterans Health Care
New Orleans, United States Active
Researchers
- Principal investigator: Liu, Siqiong June — Southeast Louisiana Veterans Health Care
- Study coordinator: Liu, Siqiong June
Related research
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Sleep-based brain wiring of fear memory in the amygdala
A study in people or animals will look at how sleep helps the amygdala store fear memories by using advanced brain imaging and genetic tools to understand memory changes.
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Spatial circuits in the prefrontal cortex that control fear and discrimination
Researchers are exploring how different parts of the prefrontal cortex help decide when to feel fear or not, with the goal of better understanding anxiety-related conditions.
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Understanding and improving fear and safety learning in OCD
A study at Yale will test brain-based methods to help adults with OCD improve safety learning and fear extinction during therapy.
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.