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-10893029

This study is looking at how changes in pupil size, which relate to how alert and focused we are, affect how our brains process information, and it could help people with attention issues like ADHD understand their condition better.

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-10893029 on NIH RePORTER

What this research studies

This research explores how changes in pupil size, which are linked to arousal and attention, influence sensory processing in the brain. By examining the roles of noradrenergic and cholinergic systems, the study aims to understand how these mechanisms affect perception and behavior. The research utilizes advanced techniques, including CRISPR, to manipulate these systems and observe their effects on thalamic processing. Patients may benefit from insights into how attention-related disorders, such as ADHD, are influenced by these neural mechanisms.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals diagnosed with attention deficit hyperactivity disorder (ADHD) or other related attention disorders.

Not a fit: Patients without attention-related disorders or those who do not exhibit atypical pupil dynamics may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new treatments for attention-related disorders by targeting specific brain mechanisms.

How similar studies have performed: Previous research has shown promising results in understanding the relationship between pupil dynamics and cognitive processes, 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.