Cerebellum pathways that shape thinking, reward, and fear responses
Official title: Recruitment of Cerebellar Circuits to Modulate Cognition, Reward and Avoidance of Threat
Funded at VA Puget Sound Healthcare System · NIH-11264908 · Data updated 2026-11-12
This project looks at specific cerebellar brain circuits that influence thinking, reward signals, and avoidance of threats to help adults with cognitive and psychiatric symptoms, including veterans with PTSD or TBI.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | VA Puget Sound Healthcare System NIH-funded |
| Lab location | 1 site (Seattle, United States) |
| Project start | January 1, 2023 |
| Project end | December 31, 2026 |
| Funding year | 2026 |
| NIH project number | 5I01BX005984-04 |
| Project ID | NIH-11264908 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults—particularly veterans—with PTSD, traumatic brain injury, or persistent cognitive symptoms related to psychiatric disorders would be the most relevant candidates for related clinical efforts.
✕Less likely to help
People without cognitive or psychiatric symptoms and individuals under 21 years old are unlikely to directly benefit from these findings in the near term.
What this research studies
Researchers will map specific neuron types in a cerebellar region (the dentate/lateral nucleus) and trace their connections to the brain's reward and fear centers using imaging and anatomical studies. The team combines data from humans, non-human primates, and animal experiments to see how neurons marked by dopamine D1 receptors and Vglut2 affect attention, working memory, reward learning, and threat avoidance. Experiments will test how cerebellar outputs interact with the ventral tegmental area, a key dopamine hub involved in reward and fear signals. The goal is to define circuit targets that could be used for more precise treatments for cognitive problems linked to PTSD and TBI.
Why it matters
Potential benefit: If successful, this work could point to new, targeted treatments to improve thinking, memory, and control of fear or reward-related symptoms in people with PTSD, TBI, or other psychiatric cognitive problems.
How similar studies have gone: Previous imaging and basic studies have identified these cerebellar regions and neuron types, but translating that knowledge into clinical therapies is still largely novel and untested.
Where this research is happening
-
VA Puget Sound Healthcare System
Seattle, United States Active
Researchers
- Principal investigator: Carlson, Erik Sean — VA Puget Sound Healthcare System
- Study coordinator: Carlson, Erik Sean
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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.