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

Journal of Oral Rehabilitation
J YanoS Minagi

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 w...Continue Reading

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Citations

Feb 11, 2016·Journal of Oral Rehabilitation·Y MandaS Minagi
Dec 5, 2015·Frontiers in Human Neuroscience·William F Katz, Sonya Mehta
Aug 23, 2019·Cranio : the Journal of Craniomandibular Practice·Melissa De Oliveira MelchiorMarco Antônio Moreira Rodrigues Da Silva

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