How frontal and temporal brain areas help you hear and tell speech sounds apart

The Role of Frontal and Temporal Brain Areas in the Perception of Phonetic Category Structure

NIH-funded research University of Connecticut Storrs · NIH-11137045

This project looks at how the left and right sides of the brain help people — including those with brain injuries — hear and learn speech sounds.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Connecticut Storrs NIH-funded
Lab location1 site (Storrs-Mansfield, United States)
Project IDNIH-11137045 on NIH RePORTER

What this research studies

If you join, researchers will scan your brain with fMRI while you listen to speech sounds to map how different brain areas respond. They will use neural decoding methods to measure how precisely left and right temporal lobes encode phonetic categories. Some participants may receive brief, safe magnetic pulses (TMS) to temporarily disrupt specific brain areas and see how that changes speech perception. The team will also study people who already have left or right temporal lobe damage to compare how real lesions affect hearing and learning speech sounds.

Who could benefit from this research

Good fit: Ideal candidates include adults who can undergo MRI and TMS, including healthy volunteers and people with documented left or right temporal lobe damage.

Not a fit: People who cannot have MRI or TMS (for example those with certain metal implants, pacemakers, or severe medical instability) or whose communication issues are unrelated to temporal-lobe speech processing may not benefit.

Why it matters

Potential benefit: Results could clarify why some people lose speech comprehension after brain injury and guide future therapies or brain-stimulation approaches to improve language processing.

How similar studies have performed: Previous studies have shown left-hemisphere links to categorical speech perception, but combining fMRI decoding, TMS, and lesion comparisons in this way is relatively novel.

Where this research is happening

Storrs-Mansfield, 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.