How the brain keeps social behavior improved

Neural mechanisms underlying sustained enhancement of sociability

NIH-funded research Univ of North Carolina Chapel Hill · NIH-11261743

This project explores whether quick, strong boosts in serotonin can produce lasting improvements in social interaction for people with autism.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniv of North Carolina Chapel Hill NIH-funded
Lab location1 site (Chapel Hill, United States)
Project IDNIH-11261743 on NIH RePORTER

What this research studies

Researchers are studying how the brain's serotonin system controls social behavior using mouse models that carry an autism-linked change in serotonin neurons. They compare slow serotonin increases (similar to common antidepressants) with fast, large releases of serotonin (modeled with a drug like MDMA) to see which produces longer-lasting social benefits. The team also examines a gene called Arid1b that affects how serotonin neurons work and may explain why some people have social difficulties. Together, these approaches aim to point toward safer ways to produce more durable improvements in sociability.

Who could benefit from this research

Good fit: People diagnosed with autism spectrum disorder who experience social interaction difficulties and are open to participating in research on serotonin-related treatments would be most relevant.

Not a fit: People whose social challenges are unrelated to serotonin function or who cannot consider serotonergic-based approaches may not benefit from this line of research.

Why it matters

Potential benefit: If successful, this work could point to new approaches that produce more lasting improvements in social interaction for people with autism.

How similar studies have performed: Animal studies and early human research (including MDMA-related work) indicate rapid serotonin increases can boost sociability, but safely translating that into lasting treatments for autism remains largely unproven.

Where this research is happening

Chapel Hill, 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.
Conditions Autistic Disorder
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.