How sensory signals and brain circuits drive PTSD
Official title: A Neurosensory Account of Posttraumatic Stress Disorder
Funded at University of Texas Hlth Sci Ctr Houston · NIH-11325082 · Data updated 2026-11-12
This project looks at whether overactive sensory brain signals make fear, startle, and reactivity worse for people with PTSD.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Texas Hlth Sci Ctr Houston NIH-funded |
| Lab location | 1 site (Houston, United States) |
| Project start | January 1, 2023 |
| Project end | October 31, 2027 |
| Funding year | 2026 |
| Award (this year) | $389,226 |
| NIH project number | 5R01MH132209-04 |
| Project ID | NIH-11325082 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults diagnosed with PTSD who can travel to Houston and tolerate brain imaging and sensory testing are the likely candidates.
✕Less likely to help
People without PTSD, children, or anyone unable to undergo MRI/electrophysiology or with severe unstable medical/psychiatric conditions may not be eligible or benefit directly.
What this research studies
This project explains PTSD as a problem of three linked brain areas: sensory cortex, prefrontal cortex, and the amygdala, and tests how sensory signals fuel ongoing fear. Researchers will enroll people with and without PTSD and record brain activity with imaging and electrophysiology while showing novel and threat-related sights and sounds. They will measure persistent sensory overactivity (tonic), sudden responses to new cues (phasic), and responses tied to threats, and relate those signals to fear-circuit dysfunction. The team aims to map how sensory over-reactivity sustains PTSD symptoms.
Why it matters
Potential benefit: If correct, the work could identify new treatment targets that reduce sensory over-reactivity and help relieve PTSD symptoms.
How similar studies have gone: Prior brain-imaging work has linked amygdala–prefrontal problems to PTSD, but emphasizing sensory-cortex disinhibition as a driver is a newer idea with limited clinical testing so far.
Where this research is happening
-
University of Texas Hlth Sci Ctr Houston
Houston, United States Active
Researchers
- Principal investigator: Li, Wen — University of Texas Hlth Sci Ctr Houston
- Study coordinator: Li, Wen
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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.