Adaptive brain activity changes during tongue movement with palatal coverage from fMRI data

Abstract Successful adaptation to wearing dentures with palatal coverage may be associated with cortical activity changes related to tongue motor control. The purpose was to investigate the brain activity changes during tongue movement in response to a new oral environment. Twenty-eight fully dentat...

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Autores principales:	Yuka Inamochi, Kenji Fueki, Nobuo Usui, Masato Taira, Noriyuki Wakabayashi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3912a3717cf149f18e1255388d9e3f0b
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spelling	oai:doaj.org-article:3912a3717cf149f18e1255388d9e3f0b2021-12-02T16:15:07ZAdaptive brain activity changes during tongue movement with palatal coverage from fMRI data10.1038/s41598-021-93332-32045-2322https://doaj.org/article/3912a3717cf149f18e1255388d9e3f0b2021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93332-3https://doaj.org/toc/2045-2322Abstract Successful adaptation to wearing dentures with palatal coverage may be associated with cortical activity changes related to tongue motor control. The purpose was to investigate the brain activity changes during tongue movement in response to a new oral environment. Twenty-eight fully dentate subjects (mean age: 28.6-years-old) who had no experience with removable dentures wore experimental palatal plates for 7 days. We measured tongue motor dexterity, difficulty with tongue movement, and brain activity using functional magnetic resonance imaging during tongue movement at pre-insertion (Day 0), as well as immediately (Day 1), 3 days (Day 3), and 7 days (Day 7) post-insertion. Difficulty with tongue movement was significantly higher on Day 1 than on Days 0, 3, and 7. In the subtraction analysis of brain activity across each day, activations in the angular gyrus and right precuneus on Day 1 were significantly higher than on Day 7. Tongue motor impairment induced activation of the angular gyrus, which was associated with monitoring of the tongue’s spatial information, as well as the activation of the precuneus, which was associated with constructing the tongue motor imagery. As the tongue regained the smoothness in its motor functions, the activation of the angular gyrus and precuneus decreased.Yuka InamochiKenji FuekiNobuo UsuiMasato TairaNoriyuki WakabayashiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yuka Inamochi Kenji Fueki Nobuo Usui Masato Taira Noriyuki Wakabayashi Adaptive brain activity changes during tongue movement with palatal coverage from fMRI data
description	Abstract Successful adaptation to wearing dentures with palatal coverage may be associated with cortical activity changes related to tongue motor control. The purpose was to investigate the brain activity changes during tongue movement in response to a new oral environment. Twenty-eight fully dentate subjects (mean age: 28.6-years-old) who had no experience with removable dentures wore experimental palatal plates for 7 days. We measured tongue motor dexterity, difficulty with tongue movement, and brain activity using functional magnetic resonance imaging during tongue movement at pre-insertion (Day 0), as well as immediately (Day 1), 3 days (Day 3), and 7 days (Day 7) post-insertion. Difficulty with tongue movement was significantly higher on Day 1 than on Days 0, 3, and 7. In the subtraction analysis of brain activity across each day, activations in the angular gyrus and right precuneus on Day 1 were significantly higher than on Day 7. Tongue motor impairment induced activation of the angular gyrus, which was associated with monitoring of the tongue’s spatial information, as well as the activation of the precuneus, which was associated with constructing the tongue motor imagery. As the tongue regained the smoothness in its motor functions, the activation of the angular gyrus and precuneus decreased.
format	article
author	Yuka Inamochi Kenji Fueki Nobuo Usui Masato Taira Noriyuki Wakabayashi
author_facet	Yuka Inamochi Kenji Fueki Nobuo Usui Masato Taira Noriyuki Wakabayashi
author_sort	Yuka Inamochi
title	Adaptive brain activity changes during tongue movement with palatal coverage from fMRI data
title_short	Adaptive brain activity changes during tongue movement with palatal coverage from fMRI data
title_full	Adaptive brain activity changes during tongue movement with palatal coverage from fMRI data
title_fullStr	Adaptive brain activity changes during tongue movement with palatal coverage from fMRI data
title_full_unstemmed	Adaptive brain activity changes during tongue movement with palatal coverage from fMRI data
title_sort	adaptive brain activity changes during tongue movement with palatal coverage from fmri data
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/3912a3717cf149f18e1255388d9e3f0b
work_keys_str_mv	AT yukainamochi adaptivebrainactivitychangesduringtonguemovementwithpalatalcoveragefromfmridata AT kenjifueki adaptivebrainactivitychangesduringtonguemovementwithpalatalcoveragefromfmridata AT nobuousui adaptivebrainactivitychangesduringtonguemovementwithpalatalcoveragefromfmridata AT masatotaira adaptivebrainactivitychangesduringtonguemovementwithpalatalcoveragefromfmridata AT noriyukiwakabayashi adaptivebrainactivitychangesduringtonguemovementwithpalatalcoveragefromfmridata
_version_	1718384284820045824

Adaptive brain activity changes during tongue movement with palatal coverage from fMRI data

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