How the brain adapts after losing a partner

The neuromolecular basis of adaptation to bond loss

NIH-funded research University of Colorado · NIH-11285495

Researchers are looking at brain and molecular changes after partner loss to learn why some people recover while others have long-lasting grief.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Colorado NIH-funded
Lab location1 site (Boulder, UNITED STATES)
Project IDNIH-11285495 on NIH RePORTER

What this research studies

If you've lost a partner, this project uses monogamous prairie voles as a model to learn what happens in the brain during recovery. The team compares bonded voles to those separated from their partner and tracks behavior and gene activity over time. They will identify which neurons respond to partner interaction and how those cells change with time apart. Finally, they will test whether removing partner-active neurons changes how bonds fade, to reveal mechanisms that help or hinder recovery.

Who could benefit from this research

Good fit: Adults who have lost a long-term romantic partner and are experiencing prolonged or intense grief are the group this research aims to inform.

Not a fit: People grieving non-partner losses or those who are recovering well are less likely to see direct benefit from this animal-focused work in the near term.

Why it matters

Potential benefit: This work could point to new targets for therapies or supports to help people recover after the loss of a partner.

How similar studies have performed: Prior work with prairie voles has successfully modeled pair bonding and separation-related behaviors, though turning those findings into human treatments is still early.

Where this research is happening

Boulder, 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 2026-06-09 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.