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Figure 1


Fig. 1. Patterns of lingual deformation during swallowing. The swallow is portrayed is a sequence of mid-sagittal images of lingual deformation acquired at 10 Hz using magnetic resonance imaging (MRI, TurboFlash). Shown is a series of images depicting the early accommodation, late accommodation and propulsion phases of the swallow. During early accommodation, an accommodating concavity is created in which the bolus (depicted as a black signal void in the current image sequence) is situated in the anterior oral cavity. With conversion to late accommodation, the concavity is deepened and transferred posteriorly. During the propulsive phase of the swallow, the bolus is propelled retrograde from the oral cavity to the pharynx. Arrow indicates location of the fluid bolus.





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