How the brain remembers rewarding places
Neural circuit dynamics of spatial reward memory
Researchers are mapping brain circuits in animals to learn how rewarding places are remembered, hoping this will help people with memory problems or addiction.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Colorado NIH-funded |
| Lab location | 1 site (Boulder, UNITED STATES) |
| Project ID | NIH-11494658 on NIH RePORTER |
What this research studies
This research records nerve-cell activity in mice and rats while they learn where rewards are located, using calcium imaging and two-photon microscopy to watch many cells at once. The team uses behavioral tasks that separate the reward itself from sights, movement, and memory demands so they can pinpoint what is being learned. They focus on the hippocampus and medial entorhinal cortex to see how an overrepresentation of rewarded locations develops and how these regions synchronize. Findings from these animal experiments are intended to improve understanding of memory disorders and addiction in people.
Who could benefit from this research
Good fit: Although this project uses animal experiments and does not enroll people, it is most relevant to individuals with memory disorders (including Alzheimer's-related memory loss) or substance use disorders who want research that could guide future treatments.
Not a fit: Patients seeking immediate treatment or direct participation should not expect personal medical benefit from this animal-focused project.
Why it matters
Potential benefit: If successful, this work could reveal how specific brain circuits encode rewarded locations and point to new targets to improve memory or treat addictive behaviors.
How similar studies have performed: Prior animal studies have shown reward-related overrepresentation in hippocampus and entorhinal cortex, and this project builds on those findings using newer imaging methods and behavioral designs.
Where this research is happening
Boulder, UNITED STATES
- University of Colorado — Boulder, United States (Active)
Researchers
- Principal investigator: Sosa, Marielena — University of Colorado
- Study coordinator: Sosa, Marielena
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.