Three-dimensional reconstruction of intrinsic tongue muscles of macaques using diffusion-weighted imaging of flash-frozen specimens

The tongue plays a major role in speech production. Comparisons of the tongue muscle fiber architecture between humans and nonhuman primates are required to understand the evolutionary acquisition of tongue deformability in human speech. In this study, we performed diffusion-weighted imaging of flas...

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Bibliographic Details
Published inAcoustical Science and Technology Vol. 45; no. 4; pp. 224 - 229
Main Authors Nakamura, Kanta, Konoike, Naho, Nishimura, Takeshi
Format Journal Article
LanguageEnglish
Published Tokyo ACOUSTICAL SOCIETY OF JAPAN 01.07.2024
Japan Science and Technology Agency
Subjects
Anatomy
Deformation
Formability
HARDI
MRI
Muscles
Primates
Speech
Tongue
Vocalization
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Summary:The tongue plays a major role in speech production. Comparisons of the tongue muscle fiber architecture between humans and nonhuman primates are required to understand the evolutionary acquisition of tongue deformability in human speech. In this study, we performed diffusion-weighted imaging of flash-frozen tongue specimens from macaques, a representative animal model, to visualize the three-dimensional architecture of the intrinsic muscles. The procedures and scanning methods used in this study can also be applied to non-model animals, and are expected to provide quantified data for their tongue architecture to understand the evolutionarily derived features of human tongue deformability.
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ISSN:1346-3969
1347-5177
DOI:10.1250/ast.e23.85