NIH-funded research NIH-funded research

Understanding how anesthesia and sleep create different unconscious states in the brain

Official title: Anesthesia and Sleep: Mechanisms of Generating Two Similar Yet Distinct Unconscious States in the Medulla

Funded at University of Pennsylvania · NIH-10899466 · Data updated 2026-11-12

This study is looking at how certain brain cells work differently during anesthesia compared to natural sleep, helping us understand what makes these two states unique, and it's for anyone curious about how our brains manage sleep and anesthesia.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of Pennsylvania
NIH-funded
Lab location1 site (Philadelphia, United States)
Project startSeptember 1, 2023
Project endAugust 31, 2028
Funding year2024
Award (this year)$406,250
NIH project number5R35GM151166-02
Project IDNIH-10899466 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals undergoing anesthesia for surgical procedures or those experiencing sleep-related issues.

Less likely to help

Patients who are not undergoing surgery or do not have sleep disorders may not benefit from this research.

What this research studies

This research investigates the neural mechanisms that differentiate between the unconscious states induced by anesthesia and natural sleep. By focusing on specific neurons in the brain's medulla, particularly those in the parafacial zone, the study aims to uncover how these neurons contribute to the distinct characteristics of anesthesia and sleep. The approach includes examining the activity of GABAergic neurons during anesthesia and their role in regulating sleep, with the goal of identifying overlapping and unique neural circuits involved in these states.

Why it matters

Potential benefit: If successful, this research could lead to improved anesthesia techniques and better management of sleep disorders.

How similar studies have gone: Previous research has shown promising results in understanding the neural circuits involved in sleep and anesthesia, suggesting that this approach could yield valuable insights.

Where this research is happening

  • University of Pennsylvania
    Philadelphia, United States
    Active

Researchers

  • Principal investigator: Imamura, Toshihiro — University of Pennsylvania
  • Study coordinator: Imamura, Toshihiro

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.