Abstract

Diagnostic ultrasound was employed to visualize the activity of the tongue, the floor of the mouth, and the hyoid in normal and laryngectomized individuals. Differences in articulatory and masticatory dynamics were noted between groups and among alaryngeal speech modes. Swallowing was seen to be less efficient in some of the laryngectomees. Abnormal activity in the floor of the mouth and the hyoid was observed in all laryngectomized talkers, especially during conventional esophageal speech.

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