NIH-funded research Career grant

How the brain links tastes to feelings of nausea

Official title: Cross-region neural mechanisms that support conditioned taste aversion

Funded at Princeton University · NIH-10983804 · Data updated 2026-11-12

This study is looking at how mice learn to connect new food tastes with feelings of sickness, focusing on how their brains react during this process, especially in a part of the brain that deals with emotions.

Quick facts

Grant typeCareer grant
Study typeNIH-funded research
Funding institutionPrinceton University
NIH-funded
Lab location1 site (Princeton, UNITED STATES)
Project startDecember 1, 2023
Project endNovember 30, 2025
Funding year2025
Award (this year)$169,619
NIH project number5K99DA059957-02
Project IDNIH-10983804 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals interested in the neurological basis of taste and eating behaviors, particularly those who may experience issues related to food aversion.

Less likely to help

Patients who do not have any interest in or issues related to taste aversion or eating behaviors may not benefit from this research.

What this research studies

This research investigates how animals, specifically mice, learn to associate the taste of new foods with feelings of nausea that occur after eating. By examining brain activity during drinking and the subsequent postingestive effects, the study aims to identify the neural mechanisms involved in this learning process. The researchers will focus on the amygdala, a brain region known for its role in emotional responses, to understand how it represents flavors and how these representations are activated when the body signals malaise. This approach involves advanced techniques like high-density Neuropixels recordings to capture brain activity.

Why it matters

Potential benefit: If successful, this research could lead to better understanding of how taste aversion works, potentially informing treatments for eating disorders or obesity.

How similar studies have gone: Other research has shown success in understanding neural mechanisms of taste aversion, but this specific approach using advanced recording techniques is relatively novel.

Where this research is happening

  • Princeton University
    Princeton, United States
    Active

Researchers

  • Principal investigator: Zimmerman, Christopher — Princeton University
  • Study coordinator: Zimmerman, Christopher

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.