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Abstract #1511

Assessing intrinsic velum height in vowels using time-resolved MRI

Martin Krämer1, Melanie Weirich2, Karl-Heinz Herrmann1, Adrian P Simpson2, and Jürgen R Reichenbach1,3,4,5

1Medical Physics Group, Institute of Diagnostic and Interventional Radiology, Jena University Hospital - Friedrich Schiller University Jena, Jena, Germany, 2Institut für Germanistische Sprachwissenschaft, Friedrich Schiller University Jena, Jena, Germany, 3Michael Stifel Center for Data-driven and Simulation Science Jena, Friedrich Schiller University Jena, Jena, Germany, 4Abbe School of Photonics, Friedrich Schiller University Jena, Jena, Germany, 5Center of Medical Optics and Photonics, Friedrich Schiller University Jena, Jena, Germany

Real-time MRI and synchronised audio were used to examine intrinsic velum height in German vowels. Two adult female subjects produced five repetitions of a set of sentences containing, among other target material, the point vowels /i: a: u:/ in the same phonologically non-nasalised context. Even in this small sample, the subjects exhibit variation in velum height across vowel categories, and show considerable interindividual variation in velum height during the production of the same vowel category. Collection of further data from normal subjects will be used to create a robust baseline for the assessment of abnormal velum activity.

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