Early social isolation and brain changes tied to later addiction risk
Impact of juvenile social isolation on maturation of frontal circuit and SUD-relevant behavior
This project looks at how being socially isolated early in life can change brain wiring in ways that may raise the chance of substance use problems later on.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Icahn School of Medicine at Mount Sinai NIH-funded |
| Lab location | 1 site (New York, United States) |
| Project ID | NIH-11169979 on NIH RePORTER |
What this research studies
The team uses animal models that mimic juvenile social isolation to study how adolescent and adult behavior and prefrontal brain circuits develop after early social deprivation. They will record and manipulate specific prefrontal neurons, measure social and cognitive behaviors linked to addiction, and apply machine-learning tools to analyze those behaviors. The work focuses on preparing and validating the behavioral tests and circuit-level methods needed for larger future experiments. These preparatory studies aim to make sure the approaches reliably capture how early experiences reshape brain circuits relevant to substance use risk.
Who could benefit from this research
Good fit: Although the project uses animal models and does not enroll people, its findings are most relevant to individuals who experienced social isolation in childhood or adolescence and who are at risk for substance use problems.
Not a fit: People whose addiction risk stems from causes unrelated to early social experience, or those already in late-stage substance use disorder treatment, may not directly benefit from these preclinical findings.
Why it matters
Potential benefit: If successful, this work could reveal brain-circuit changes caused by early social deprivation that point to prevention strategies or new circuit-targeted treatments for substance use disorders.
How similar studies have performed: Previous animal studies have shown juvenile social isolation alters adult social and cognitive behaviors, but applying circuit-level manipulations with machine-learning behavior analysis to link those changes to addiction risk is relatively novel.
Where this research is happening
New York, United States
- Icahn School of Medicine at Mount Sinai — New York, United States (Active)
Researchers
- Principal investigator: Morishita, Hirofumi — Icahn School of Medicine at Mount Sinai
- Study coordinator: Morishita, Hirofumi
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.