How a movement-planning brain area may drive repetitive behaviors
Investigating the role of anterior lateral motor cortex in control and execution of sequenced behaviors
Researchers are looking at how a movement-planning part of the brain might cause repetitive actions like compulsive grooming using an animal model linked to autism.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Pittsburgh at Pittsburgh NIH-funded |
| Lab location | 1 site (Pittsburgh, United States) |
| Project ID | NIH-10991434 on NIH RePORTER |
What this research studies
This work uses mice that show repetitive grooming similar to compulsive behaviors to map brain activity. Scientists record and manipulate neural signals in the anterolateral motor area (ALM) and central striatum with tools like electrophysiology, calcium photometry, and optogenetics to see how action sequences start and stop. They compare normal and SAPAP3-knockout mice to test whether excessive cortical drive causes perseverative actions. The aim is to identify circuit patterns that could explain repetitive behaviors seen in autism, OCD, and Tourette syndrome.
Who could benefit from this research
Good fit: People with autism, obsessive-compulsive disorder, or Tourette syndrome who experience repetitive or compulsive movements would be the clinical groups most relevant to this work.
Not a fit: Individuals whose primary challenges are social-communication or non-motor features of autism may not directly benefit from this circuit-focused research.
Why it matters
Potential benefit: If successful, the findings could point to specific brain circuits to target for new treatments that reduce repetitive or compulsive behaviors.
How similar studies have performed: Previous animal circuit studies have linked striatum and motor-cortex regions to repetitive actions and preliminary optogenetic data support this direction, but effective translation into human therapies is still unproven.
Where this research is happening
Pittsburgh, United States
- University of Pittsburgh at Pittsburgh — Pittsburgh, United States (Active)
Researchers
- Principal investigator: Ahmari, Susanne Elizabeth — University of Pittsburgh at Pittsburgh
- Study coordinator: Ahmari, Susanne Elizabeth
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.