Brain connections linking drinking and anxiety in females and males (animal study)
Anterior Insula Projections for Alcohol Drinking/Anxiety Interactions in Female and Male Rats
This project looks at specific front-insula brain circuits that may drive compulsive alcohol drinking and anxiety, with attention to differences between females and males.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Indiana University Indianapolis NIH-funded |
| Lab location | 1 site (Indianapolis, United States) |
| Project ID | NIH-11124752 on NIH RePORTER |
What this research studies
Researchers use rat models to map and manipulate front-insula brain pathways and measure how those circuits influence persistent, consequence-resistant drinking and anxiety-like behavior. The team compares males and females to find sex-specific similarities and differences in the circuits that promote heavy drinking. Experiments focus on connections from the anterior insula to reward regions like the nucleus accumbens and test how altering those projections changes drinking under negative consequences. Results aim to reveal circuit targets that could guide future treatments tailored by sex.
Who could benefit from this research
Good fit: Although this is preclinical lab research and does not enroll patients, the findings would be most relevant to adults with alcohol use disorder who keep drinking despite harm, particularly those with co-occurring anxiety and women.
Not a fit: People with mild or social drinking without compulsion, or those whose problems are unrelated to anxiety, are less likely to benefit directly from these circuit-focused findings.
Why it matters
Potential benefit: If successful, this work could point to brain-circuit targets that lead to better, more personalized treatments for people with compulsive alcohol use and co-occurring anxiety, especially women.
How similar studies have performed: Prior animal and human imaging studies implicate anterior insula circuits in compulsion-like alcohol drinking, but detailed sex-specific circuit mechanisms remain incompletely tested.
Where this research is happening
Indianapolis, United States
- Indiana University Indianapolis — Indianapolis, United States (Active)
Researchers
- Principal investigator: Hopf, Frederic Woodward — Indiana University Indianapolis
- Study coordinator: Hopf, Frederic Woodward
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 below.