A model for velopharyngeal function, the palate analogue, has been described. The palate analogue is basically a manual analogue computer which is " programmed " to " read out " visually in terms of velopharyngeal incompetence and type of closure after being " fed " such data as levator insertion, depth of nasopharynx, and soft palate length. The palate analogue's ability to predict the relationships between the complex anatomical variables of velopharyngeal function is presented, and these predictions are compared with data obtained from cineradiographic analysis of patients with normal and cleft palate speech. Applications of the palate analogue to the fields of anatomy, speech pathology and surgery are discussed.
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