NIH-funded research R01 grant

How dopamine affects memory formation in the brain

Official title: Dopaminergic Modulation of Hippocampal-Cortical Interactions in Learning

Funded at California Institute of Technology · NIH-11000381 · Data updated 2026-11-12

This study is looking at how a brain chemical called dopamine helps us remember sounds, and it’s for anyone interested in understanding memory better, especially in relation to conditions like Alzheimer's disease.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionCalifornia Institute of Technology
NIH-funded
Lab location1 site (Pasadena, United States)
Project startDecember 15, 2023
Project endNovember 30, 2028
Funding year2025
Award (this year)$506,794
NIH project number5R01NS135465-02
Project IDNIH-11000381 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals experiencing early symptoms of memory disorders, particularly those related to Alzheimer's disease.

Less likely to help

Patients with advanced Alzheimer's disease or other severe cognitive impairments may not benefit from this research.

What this research studies

This research investigates the role of dopamine in the formation of auditory memories by examining how hippocampal inputs interact with cortical circuits. Using advanced imaging techniques, the study will track dopamine dynamics and neuronal responses in the auditory cortex as memories are formed. The researchers will also explore how manipulating dopamine levels and hippocampal inputs can influence learning and memory consolidation. This work aims to deepen our understanding of the brain's memory mechanisms and how they may be disrupted in conditions like Alzheimer's disease.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for enhancing memory function in patients with memory disorders.

How similar studies have gone: Previous research has shown promising results in understanding memory formation through similar approaches, indicating potential for significant advancements in this area.

Where this research is happening

  • California Institute of Technology
    Pasadena, United States
    Active

Researchers

  • Principal investigator: Siapas, Athanassios — California Institute of Technology
  • Study coordinator: Siapas, Athanassios

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.