Investigating how pupil size affects brain processing related to attention and arousal.

Noradrenergic and Cholinergic Mechanisms Underlying Pupil-linked Arousal Modulation of Thalamic Sensory Processing

NIH-funded research Columbia Univ New York Morningside · NIH-10986062

This study is looking at how changes in the size of your pupils can show how focused and alert you are, which could help us understand attention-related issues like ADHD and depression, and it might lead to new ways to treat these conditions.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionColumbia Univ New York Morningside NIH-funded
Lab location1 site (New York, United States)
Project IDNIH-10986062 on NIH RePORTER

What this research studies

This research explores the relationship between pupil size and brain processing, particularly how changes in pupil size can indicate levels of attention and arousal. By examining the roles of noradrenergic and cholinergic systems, the study aims to understand how these systems influence sensory processing in the thalamus. The research employs advanced techniques to measure pupil dynamics and their correlation with cognitive functions, potentially leading to insights into disorders like ADHD and depression. Patients may benefit from findings that could inform new treatment strategies for attention-related conditions.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with attention deficit hyperactivity disorder (ADHD) or related conditions that affect attention and arousal.

Not a fit: Patients without attention-related disorders or those who do not experience issues with arousal modulation may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved understanding and treatment options for conditions like ADHD and other disorders affecting attention and arousal.

How similar studies have performed: Previous research has shown promising results in understanding the role of pupil dynamics in cognitive processing, suggesting that this approach may yield valuable insights.

Where this research is happening

New York, 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 Attention deficit hyperactivity disorder
Last reviewed 2026-06-13 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.