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Abstract #4490

3D Dynamic Magnetic Resonance Imaging: A Tool for Describing Velopharyngeal Function

Imani R. Gilbert1, Fangxu Xing2, Riwei Jin3, Ryan K. Shosted3, Jonghye Woo2, Bradley P. Sutton3, and Jamie L. Perry1
1East Carolina University, Greenville, NC, United States, 2Massachusetts General Hospital, Boston, MA, United States, 3University of Illinois Urbana-Champaign, Champaign,, IL, United States


Direct visualization of velopharyngeal structures and musculature during speech is best attained using 3D dynamic magnetic resonance imaging. Through innovative MR imaging and atlasing methods, we successfully describe velopharyngeal contours as represented on MR statistical atlases and individual subject images. Manual linear measurements of velum configurations during /p/ across two different speech stimuli reveal slight velar differences, reflecting major influences of neighboring speech sounds on velar movements.

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