Understanding how the brain combines smell information from both nostrils

Cellular and functional heterogeneity of interhemispheric connections in the anterior olfactory nucleus

NIH-funded research Harvard Medical School · NIH-11146894

This study is looking at how our brains work together to smell things from each nostril separately, which could help us understand how we recognize scents and interact socially.

Quick facts

Grant typeFellowship grant
Study typeNIH-funded research
Funding institutionHarvard Medical School NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11146894 on NIH RePORTER

What this research studies

This research investigates how the brain processes and integrates olfactory information received from each nostril, which operate independently. By focusing on the anterior olfactory nucleus (AON), the study aims to identify the specific cell types involved in connecting the two hemispheres of the brain for olfactory processing. Using advanced viral tracing techniques, the research will visualize and assess the density of interhemispheric connections in the AON, which is crucial for understanding olfactory-dependent behaviors and social interactions. This work could provide insights into how the brain achieves perceptual unity from separate sensory inputs.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals experiencing olfactory processing issues or those interested in the neurological aspects of smell.

Not a fit: Patients with no interest in olfactory function or those with non-neurological conditions may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could enhance our understanding of olfactory processing and potentially lead to new treatments for olfactory dysfunction.

How similar studies have performed: While the specific approach of this research is novel, previous studies have successfully explored interhemispheric connections in other sensory modalities.

Where this research is happening

Boston, 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.
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.