NIH-funded research R01 grant

Understanding how different sexes process light and seasonal changes

Official title: Sexual dimorphic circuits in photoperiodic encoding and photic processing

Funded at Marquette University · NIH-11061394 · Data updated 2026-11-12

This study looks at how men and women’s brains respond to changes in day length and seasons, hoping to find out how these differences might help us understand and improve treatments for conditions that affect women more often.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionMarquette University
NIH-funded
Lab location1 site (Milwaukee, United States)
Project startJune 1, 2022
Project endMarch 31, 2026
Funding year2025
Award (this year)$405,972
NIH project number5R01GM143545-04
Project IDNIH-11061394 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for participation or benefit are individuals who experience conditions influenced by seasonal changes and light exposure, particularly women.

Less likely to help

Patients who do not experience any seasonal affective disorders or related conditions may not receive benefit from this research.

What this research studies

This research investigates how male and female brains process information related to day length and seasonal changes. By examining the neural circuits involved, the study aims to uncover differences in how these circuits function between sexes. The approach includes both experimental and observational methods to analyze the impact of photoperiodic cues on behavior and physiology. Patients may benefit from insights that could lead to better understanding and treatment of conditions that disproportionately affect women.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for disorders that disproportionately affect women, enhancing their quality of life.

How similar studies have gone: Previous research has shown promising results in understanding sex differences in neural processing, indicating potential for significant advancements in this area.

Where this research is happening

  • Marquette University
    Milwaukee, United States
    Active

Researchers

  • Principal investigator: Evans, Jennifer Anne — Marquette University
  • Study coordinator: Evans, Jennifer Anne

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.