Intrinsic and Extrinsic Portions of Soft Palate Muscles in Velopharyngeal and Oropharyngeal Constriction: A 3D Modeling Study

Authors

  • Peter Anderson University of British Columbia
  • Sidney Fels University of British Columbia
  • Ian Stavness University of Saskatchewan
  • Bryan Gick University of British Columbia

Abstract

The soft palate is essential in speech, yet understanding of soft palate muscle function remains coarse. Traditional descriptions have focused almost exclusively on the extrinsic portions of soft palate muscles such as levator veli palatini (LVP) and palatoglossus (PG). However, the limited observations available in the literature suggest that the intrinsic portions are essential in primary soft palate functions, i.e., the reshaping of the palate needed to constrict the velopharyngeal port (VPP) and the oropharyngeal isthmus (OPI). We present simulations using a 3D biomechanical model of the soft palate with the goal of clarifying the distinct roles that the intrinsic and extrinsic portions of these muscles play in VPP and OPI control.

Author Biographies

Peter Anderson, University of British Columbia

Department of Electrical and Computer Engineering

Sidney Fels, University of British Columbia

Department of Electrical and Computer Engineering

Ian Stavness, University of Saskatchewan

Department of Computer Science

Bryan Gick, University of British Columbia

Department of Linguistics, Professor and Head

Additional Files

Published

2016-12-03

How to Cite

1.
Anderson P, Fels S, Stavness I, Gick B. Intrinsic and Extrinsic Portions of Soft Palate Muscles in Velopharyngeal and Oropharyngeal Constriction: A 3D Modeling Study. Canadian Acoustics [Internet]. 2016 Dec. 3 [cited 2024 Nov. 21];44(4):18-9. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2869

Issue

Vol. 44 No. 4 (2016)

Section

Proceedings of the Acoustics Week in Canada

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