Understanding how brain signals related to rewards are affected in Parkinson's disease

Neurophysiology of Reward Signaling in Parkinson's Disease

NIH-funded research Vanderbilt University Medical Center · NIH-11033087

This study is looking at how the brain processes rewards in people with Parkinson's disease, especially those dealing with feelings of depression and impulsive actions, to find better ways to help manage these symptoms.

Quick facts

Grant typeCareer grant
Study typeNIH-funded research
Funding institutionVanderbilt University Medical Center NIH-funded
Lab location1 site (Nashville, United States)
Project IDNIH-11033087 on NIH RePORTER

What this research studies

This research investigates the changes in brain signaling related to rewards in individuals with Parkinson's disease, focusing on symptoms like depression and impulsive behaviors. By utilizing human intracranial recordings during neurosurgical procedures, the study aims to characterize the neurophysiology of reward signaling in specific brain regions, including the subthalamic nucleus and dorsolateral prefrontal cortex. The research will also explore how stimulation of the subthalamic nucleus affects these reward signals, which could lead to improved treatment strategies for nonmotor symptoms of Parkinson's disease.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with Parkinson's disease who experience nonmotor symptoms like depression, apathy, or impulsive behaviors.

Not a fit: Patients without Parkinson's disease or those who do not exhibit nonmotor symptoms related to reward signaling may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to better therapies for managing nonmotor symptoms in Parkinson's disease, such as depression and impulsivity.

How similar studies have performed: Previous research has shown promising results in understanding reward signaling in Parkinson's disease, suggesting that this approach could yield valuable insights.

Where this research is happening

Nashville, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.