NIH-funded research R01 grant

Fear memory circuits in the amygdala: how fear responses are formed

Official title: Circuit operation underlying fear memory processes in the amygdala

Funded at Trustees of Indiana University · NIH-11343894 · Data updated 2026-11-12

This grant looks at how fear memories are created in the amygdala and what brain signals drive those memories in people who might experience traumatic fear.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionTrustees of Indiana University
NIH-funded
Lab location1 site (Bloomington, United States)
Project startSeptember 1, 2026
Project endJune 30, 2031
Funding year2026
Award (this year)$436,006
NIH project number1R01MH143989-01
Project IDNIH-11343894 on NIH RePORTER

Who could benefit from this research

Could help

Not applicable to patients directly in this grant—focus is on basic brain mechanisms in model systems; potential future translation could benefit individuals with PTSD.

Less likely to help

Direct patient participation is not described in this grant.

What this research studies

Researchers will study how the amygdala processes fear-related signals and how neurons respond to frightening and learned cues. They are testing ideas about when and how fear memories are formed by recording brain activity with high temporal precision. The work uses animal models to understand the timing of inputs and outputs during fear learning, which could illuminate why fear memories become persistent. Findings could point to targets for therapies that reduce maladaptive fear in conditions like PTSD.

Why it matters

Potential benefit: A deeper understanding of fear memory formation could lead to new strategies to prevent or reduce PTSD symptoms.

How similar studies have gone: Prior work supports the idea that amygdala circuits are central to fear learning, with ongoing studies refining the mechanisms.

Where this research is happening

  • Trustees of Indiana University
    Bloomington, United States
    Active

Researchers

  • Principal investigator: Hajos, Norbert — Trustees of Indiana University
  • Study coordinator: Hajos, Norbert

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.