How stress and long-term drinking change brain circuits that support mental effort and focus
3/8: INIA Stress and Chronic Alcohol Interactions: Norepinephrine and corticostriatal circuit regulation of cognitive effort after chronic alcohol and stress
This project looks at how chronic alcohol use and stress alter brain systems that help people stay focused and do mentally demanding tasks.
Quick facts
| Grant type | U01 cooperative agreement |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Massachusetts Amherst NIH-funded |
| Lab location | 1 site (Hadley, United States) |
| Project ID | NIH-11296830 on NIH RePORTER |
What this research studies
From the patient perspective, researchers model long-term heavy drinking and repeated stress in the lab to mimic problems some people have with attention and motivation during and after withdrawal. They focus on a brain circuit formed by the locus coeruleus norepinephrine system, the anterior cingulate cortex, and the dorsomedial striatum that helps drive cognitive effort. The team measures changes in how willing and able animals are to exert mental effort and records activity in those brain areas to link behavior with circuit function. Findings aim to reveal why stress and alcohol together make it harder to concentrate, switch tasks, and remain motivated.
Who could benefit from this research
Good fit: People with a history of chronic or heavy alcohol use, especially those who experience stress-related worsening of attention, motivation, or withdrawal symptoms, would be the most relevant for future clinical translation.
Not a fit: People without alcohol-related cognitive or motivational problems, or those whose issues stem mainly from other medical conditions rather than alcohol and stress, are unlikely to benefit directly from this specific work.
Why it matters
Potential benefit: If successful, this work could identify brain systems and targets that might be used to develop treatments to improve attention, motivation, and decision-making in people recovering from heavy drinking.
How similar studies have performed: Related research shows norepinephrine influences attention and effort, but combining LC-NE, ACC, and striatal circuits to explain how alcohol and stress reduce cognitive effort is largely novel.
Where this research is happening
Hadley, United States
- University of Massachusetts Amherst — Hadley, United States (Active)
Researchers
- Principal investigator: Vazey, Elena — University of Massachusetts Amherst
- Study coordinator: Vazey, Elena
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.