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Left and Right Hemisphere Contributions to Speech Perception
Sponsor: University of Connecticut
Summary
Left and right temporal brain areas are thought to contribute to speech perception, but the division of labor between left and right hemisphere regions is still unclear. Here we use transcranial magnetic stimulation (TMS) to stimulate left and right temporal foci and a vertex control site to temporarily disrupt activation at the stimulation site, using a "virtual lesion" approach to test the effect of stimulation site on a series of speech perception tasks. This portion of the project is basic research. However, since TMS is viewed as an intervention, studies involving TMS in this grant are considered clinical trials.
Official title: The Role of Frontal and Temporal Brain Areas in the Perception of Phonetic Category Structure
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
26
Start Date
2024-12-19
Completion Date
2026-06-30
Last Updated
2025-06-15
Healthy Volunteers
Yes
Conditions
Interventions
Transcranial Magnetic Stimulation
TMS will be delivered in 10 Hz pulses for 2.5 seconds, with behavioral measures of speech perception and object categorization immediately following each pulse. TMS at this schedule is thought to temporarily disrupt activity at the stimulation site.
Locations (1)
University of Connecticut
Storrs, Connecticut, United States