Dopamine brain circuits that turn repeated actions into habits
Plasticity and Function of Dopamine Circuits Regulating the Transition to Habit
Researchers are using new lab tools to map how dopamine circuits change as actions become automatic, with relevance for people with compulsive habits like OCD or addiction.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Northwestern University NIH-funded |
| Lab location | 1 site (Chicago, United States) |
| Project ID | NIH-11403933 on NIH RePORTER |
What this research studies
The team at Northwestern will combine advanced circuit-tracing, cell-type genetic targeting, optogenetics, and fiber photometry to follow how the dorsolateral striatum and connected dopamine neurons change during habit formation. Most experiments use animal models and lab-based recordings to watch neural activity as actions are repeated and automated. Investigators will selectively activate or silence specific cell types to test which circuit changes cause loss of behavioral flexibility. The goal is to link particular circuit plasticity patterns to the persistence of maladaptive habits seen in conditions such as obsessive-compulsive disorder and substance use disorders.
Who could benefit from this research
Good fit: People living with obsessive-compulsive disorder, substance use disorders, or persistent compulsive habits would be most interested in these findings and could be future candidates for related clinical trials.
Not a fit: Patients with health problems unrelated to habit formation or dopamine-related brain circuits are unlikely to receive direct benefit from this specific research.
Why it matters
Potential benefit: If successful, this work could point to specific brain-circuit targets for new treatments to reduce harmful compulsive habits in OCD, addiction, and related disorders.
How similar studies have performed: Prior animal studies have implicated the dorsolateral striatum and dopamine in habit formation, but combining intersectional genetics, optogenetics, and fiber photometry to map and control these circuits is a relatively new and evolving approach.
Where this research is happening
Chicago, United States
- Northwestern University — Chicago, United States (Active)
Researchers
- Principal investigator: Lerner, Talia Newcombe — Northwestern University
- Study coordinator: Lerner, Talia Newcombe
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.