How the front part of the brain controls aggression caused by social isolation
Official title: Prefrontal Circuit Control of Isolation-Induced Aggression
Funded at Utah State Higher Education System--University of Utah · NIH-11283990 · Data updated 2026-11-12
This project looks at how specific brain cells in the front of the brain may cause aggressive behavior after long periods of social isolation, aiming to inform future ways to help people affected by loneliness-related aggression.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Utah State Higher Education System--University of Utah NIH-funded |
| Lab location | 1 site (Salt Lake City, United States) |
| Project start | March 6, 2023 |
| Project end | January 31, 2028 |
| Funding year | 2026 |
| Award (this year) | $584,687 |
| NIH project number | 5R01MH132822-04 |
| Project ID | NIH-11283990 on NIH RePORTER |
Who could benefit from this research
✓Could help
People who have experienced prolonged social isolation or loneliness and who show increased anger or aggressive behavior would be the most relevant candidates for related human studies.
✕Less likely to help
People whose aggression is primarily caused by other clear factors such as traumatic brain injury, active substance intoxication, or unrelated severe psychiatric conditions may not benefit from these specific circuit findings.
What this research studies
You will hear that researchers are focusing on the medial prefrontal cortex, a front-brain region that helps control behavior, to understand why being isolated can make people more aggressive. The team will study genetically defined cell types (including cells that use the neuropeptide Tac2) in laboratory models to see how isolation changes circuit activity. They will turn those circuits on or off and measure changes in aggressive behaviors and related brain signaling. The goal is to identify specific brain pathways that could become targets for future treatments or behavioral approaches for people harmed by prolonged loneliness.
Why it matters
Potential benefit: If successful, this work could point to new, more targeted ways to reduce aggression tied to loneliness and guide development of therapies or interventions.
How similar studies have gone: Previous animal studies have linked medial prefrontal circuits to aggression, but translating these circuit-specific targets into proven human treatments remains largely untested.
Where this research is happening
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Utah State Higher Education System--University of Utah
Salt Lake City, United States Active
Researchers
- Principal investigator: Zelikowsky, Moriel — Utah State Higher Education System--University of Utah
- Study coordinator: Zelikowsky, Moriel
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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.