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NIH awards $2.5 million to UC for study in voice production
Date:12/29/2009

irflow inside jet engines, when the goal was reducing jet noise.

"Now our purpose is different, but the physics is the same," says Gutmark. "Once you understand how airflow structure produces acoustics, you can either make the acoustics quieter, for jets, or make them stronger, for voices."

Khosla and his team will now study how vortices are affected in certain voice pathologies.

Specifically, they will look at treatments for unilateral vocal cord paralysis, a condition that often results in reduced vibrations of the paralyzed vocal cord.

"Often the paralyzed cord is in a position off midline," says Khosla, "so there is a gap between the cords during phonation. This will lead to altered vibration of the paralyzed side or both sides. Altered vibration gives altered sound."

If one of the tested treatments sufficiently restores vortices in the airway, then it could stand the best chance of restoring normal vibrations and normal voice.

"It's not only about determining that these vortices are there and they play a crucial role," says Khosla, "but it's also about determining the best ways to restore them for these patients."


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Contact: Katy Cosse
kathryn.cosse@uc.edu
513-558-0207
University of Cincinnati Academic Health Center
Source:Eurekalert

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