Subcortical Circuits and Speech Sequencing in Deep Brain Stimulator Recipients
Official title: Investigating Subcortical Contributions to Speech Sequencing in Deep Brain Stimulator Recipients
Funded at Boston University (Charles River Campus) · NIH-11398995 · Data updated 2026-11-12
This project looks at how deep brain stimulation in people with certain brain disorders affects how they learn and produce sequences of speech.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Boston University (Charles River Campus) NIH-funded |
| Lab location | 1 site (Boston, United States) |
| Project start | September 1, 2025 |
| Project end | August 30, 2030 |
| Funding year | 2026 |
| Award (this year) | $691,361 |
| NIH project number | 5R01DC022949-02 |
| Project ID | NIH-11398995 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults with existing DBS implants targeting the basal ganglia (subthalamic nucleus) or cerebellar pathways (ventral intermediate nucleus) who can safely participate in experimental DBS state changes.
✕Less likely to help
People without DBS implants or with medical contraindications to DBS state manipulation may not benefit from this study.
What this research studies
Researchers will use modern DBS devices to turn stimulation on and off in people with implanted targets in the basal ganglia or cerebellum to study how these brain regions contribute to learning and producing speech sequences. The study will compare two groups: participants with STN-DBS and participants with VIM-DBS, examining how stimulation during training and testing influences their speech performance. The work tests ideas from a computational model of speech sequencing and uses precise behavioral tasks with phoneme sequences within a syllable and multisyllabic pseudowords. Each arm plans to enroll about 20 participants per DBS target, aiming to clarify the distinct roles of the BG and CB circuits in speech. The project seeks to advance our understanding of neural control of fluent speech in people who already have implanted DBS systems.
Why it matters
Potential benefit: If successful, findings could improve strategies for speech therapy and DBS programming to support clearer, more fluent speech in affected individuals.
How similar studies have gone: Prior research has explored DBS effects on movement but this study uniquely focuses on speech sequencing in humans with targeted DBS.
Where this research is happening
-
Boston University (Charles River Campus)
Boston, United States Active
Researchers
- Principal investigator: Guenther, Frank H — Boston University (Charles River Campus)
- Study coordinator: Guenther, Frank H
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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.