Why objects look crowded in peripheral vision
Neural Mechanisms of Visual Crowding
This project looks at how attention and eye movements make nearby objects blend together in peripheral vision, focusing on people who rely on peripheral sight because of macular degeneration.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Yale University NIH-funded |
| Lab location | 1 site (New Haven, United States) |
| Project ID | NIH-11250117 on NIH RePORTER |
What this research studies
If you join, researchers will track your eye movements and record brain activity while you try to identify targets in cluttered scenes, comparing people with normal vision to those with central vision loss. They will map the size and shape of "crowding zones"—the areas where nearby items interfere with recognizing a target—around the preferred retinal locus used by people with macular degeneration. The team will study how attention and saccadic eye movements influence crowding and search for neural signals tied to the elongated crowding patterns seen in central vision loss. Findings are intended to point toward ways to improve object-recognition strategies or rehabilitation for people who rely on peripheral vision.
Who could benefit from this research
Good fit: Ideal candidates include adults with macular degeneration who use a peripheral retinal locus for sight, along with people with normal vision for comparison.
Not a fit: People whose vision problems come from peripheral field loss rather than central macular damage, or those unable to undergo eye-tracking or brain-recording sessions, may not benefit directly.
Why it matters
Potential benefit: If successful, this research could lead to new strategies or therapies to reduce crowding and help people with central vision loss recognize objects more easily.
How similar studies have performed: Behavioral and imaging work has described crowding and preferred retinal loci, but the specific neural mechanisms and the elongated crowding pattern in macular degeneration remain largely unproven, so this approach is partly novel.
Where this research is happening
New Haven, United States
- Yale University — New Haven, United States (Active)
Researchers
- Principal investigator: Nandy, Anirvan S. — Yale University
- Study coordinator: Nandy, Anirvan S.
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.