1. Three-/Four-Dimensional Ultrasound Technology in Speech Research.
- Author
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Lulich, Steven M. and Pearson Jr., William G.
- Subjects
PHARYNX ,THREE-dimensional imaging ,ULTRASONIC imaging ,VOCAL cords ,COMMUNICATIVE disorders research ,MAGNETIC resonance imaging ,TONGUE ,SPEECH evaluation ,TREATMENT of communicative disorders ,RADIOLOGIC technology ,TRANSDUCERS ,PALATE ,MOUTH floor - Abstract
Purpose: Speech production is a complex 3-dimensional (3D) process, and yet most of what is known about it is derived from 2D midsagittal data. The relatively recent development of safe 3D imaging technologies (including magnetic resonance imaging and ultrasound) provide new opportunities to revisit and reformulate what is already known and to push the boundaries of current knowledge still further. A particularly useful imaging modality for this purpose is 3D/4D ultrasound, which until very recently was not well suited for studies in speech research. This technical report presents an overview of what 3D/4D ultrasound can contribute to speech research, with a focus on 2 demonstrations. Conclusion: The 1st demonstration illustrates how 3D/4D ultrasound makes it possible to image certain vocal tract anatomical structures and planes that conventional 2D ultrasound is not capable of imaging. The 2nd demonstration illustrates how 3D/4D ultrasound can be combined with static 3D magnetic resonance imaging to provide new insight into the temporal pervasiveness and spatial extensiveness of lateral contact between the tongue and palate--teeth during speech production. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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