Simultaneous dual-plane, real-time magnetic resonance imaging of oral cavity 
movements in advanced trombone players.

Iltis, P. W.; Heyne, M.; Frahm, J.; Voit, D.; Joseph, A.; Atlas, L.

doi:10.21037/qims.2019.05.14

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Simultaneous dual-plane, real-time magnetic resonance imaging of oral cavity movements in advanced trombone players.

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Frahm, J.
Biomedical NMR Research GmbH, MPI for biophysical chemistry, Max Planck Society;

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Voit, D.
Biomedical NMR Research GmbH, MPI for biophysical chemistry, Max Planck Society;

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Joseph, A.
Biomedical NMR Research GmbH, MPI for biophysical chemistry, Max Planck Society;

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Citation

Iltis, P. W., Heyne, M., Frahm, J., Voit, D., Joseph, A., & Atlas, L. (2019). Simultaneous dual-plane, real-time magnetic resonance imaging of oral cavity movements in advanced trombone players. Quantitative Imaging in Medicine and Surgery, 9(6), 976-984. doi:10.21037/qims.2019.05.14.

Cite as: https://hdl.handle.net/21.11116/0000-0004-49B9-A

Abstract

Background: This paper describes the use of real-time magnetic resonance imaging to simultaneously obtain magnetic resonance imaging (MRI) videos in both a sagittal and coronal plane during the performance of a musical exercise in five advanced trombone players.

Methods: Dual-slice recordings were implemented in a frame-interleaved manner with 20 ms acquisitions per frame to achieve two interleaved videos at a rate of 25 frames per second. A customized MATLAB toolkit was used for the extraction of line profiles from MRI videos to quantify tongue movements associated with exercise performance from both perspectives.

Results: Across all subjects, the analyses revealed precise coupling of vertical movements of the dorsal tongue surface (DTS), viewed from a sagittal perspective, with reduction in the vertical and horizontal dimensions of the air channel formed between the DTS and the hard palate, viewed from a coronal perspective. The cross-correlation between these movements was very strong (mean R=0.967).

Conclusions: These results demonstrate the unique utility of this dual-slice technology in describing the coordination of complex tongue movements occurring in two planes (i.e., three directions) simultaneously, lending a deeper understanding of lingual motor control during trombone performance.