Investigating how dopamine neurons affect cognitive symptoms in Parkinson's disease

VTA dopamine neurons and cognitive symptoms of Parkinson’s disease

NIH-funded research University of Iowa · NIH-11055463

This study is looking into how problems with certain brain cells might affect memory and attention in people with Parkinson's disease, with the hope of finding better treatments to help improve these cognitive issues.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Iowa NIH-funded
Lab location1 site (Iowa City, United States)
Project IDNIH-11055463 on NIH RePORTER

What this research studies

This research focuses on understanding the cognitive symptoms associated with Parkinson's disease (PD), which can impact up to 80% of patients. It aims to explore the role of dopamine neurons in the ventral tegmental area (VTA) and how their dysfunction contributes to cognitive impairments such as memory and attention issues. By using advanced techniques like optogenetics and neuronal recordings in rodent models, the study seeks to uncover the mechanisms behind these cognitive challenges in PD. The ultimate goal is to develop targeted treatments that can alleviate these symptoms.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with Parkinson's disease who are experiencing cognitive symptoms.

Not a fit: Patients with Parkinson's disease who do not exhibit cognitive symptoms may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new therapies that improve cognitive function in Parkinson's disease patients.

How similar studies have performed: While the specific approach of this research is novel, previous studies have shown that understanding the role of dopamine in cognitive processes can lead to meaningful advancements in treatment.

Where this research is happening

Iowa City, 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.
Conditions Alzheimer's disease and related dementiaAlzheimer's disease and related disordersAlzheimer's disease or a related dementiaAlzheimer's disease or a related disorderAlzheimer's disease or related dementia
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.