Effect of visual biofeedback of posterior tongue movement on articulation rehabilitation in dysarthria patients

J. Yano, C. Shirahige, Kazuhiro Oki, N. Oisaka, I. Kumakura, A. Tsubahara, Shougo Minagi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Articulation is driven by various combinations of movements of the lip, tongue, soft palate, pharynx and larynx, where the tongue plays an especially important role. In patients with cerebrovascular disorder, lingual motor function is often affected, causing dysarthria. We aimed to evaluate the effect of visual biofeedback of posterior tongue movement on articulation rehabilitation in dysarthria patients with cerebrovascular disorder. Fifteen dysarthria patients (10 men and 5 women; mean age, 70·7 ± 10·3 years) agreed to participate in this study. A device for measuring the movement of the posterior part of the tongue was used for the visual biofeedback. Subjects were instructed to produce repetitive articulation of [ka] as fast and steadily as possible between a lungful with/without visual biofeedback. For both the unaffected and affected sides, the range of ascending and descending movement of the posterior tongue with visual biofeedback was significantly larger than that without visual biofeedback. The coefficient of variation for these movements with visual biofeedback was significantly smaller than that without visual biofeedback. With visual biofeedback, the range of ascent exhibited a significant and strong correlation with that of descent for both the unaffected and affected sides. The results of this study revealed that the use of visual biofeedback leads to prompt and preferable change in the movement of the posterior part of the tongue. From the standpoint of pursuing necessary rehabilitation for patients with attention and memory disorders, visualization of tongue movement would be of marked clinical benefit.

Original languageEnglish
Pages (from-to)571-579
Number of pages9
JournalJournal of Oral Rehabilitation
Volume42
Issue number8
DOIs
Publication statusPublished - Aug 1 2015

Fingerprint

Dysarthria
Tongue
Rehabilitation
Cerebrovascular Disorders
Biofeedback (Psychology)
Soft Palate
Memory Disorders
Larynx
Lip
Pharynx
Equipment and Supplies

Keywords

  • Articulation
  • Dysarthria
  • Rehabilitation
  • Tongue movement
  • Visual biofeedback

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Effect of visual biofeedback of posterior tongue movement on articulation rehabilitation in dysarthria patients. / Yano, J.; Shirahige, C.; Oki, Kazuhiro; Oisaka, N.; Kumakura, I.; Tsubahara, A.; Minagi, Shougo.

In: Journal of Oral Rehabilitation, Vol. 42, No. 8, 01.08.2015, p. 571-579.

Research output: Contribution to journalArticle

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