A clinical protocol was developed for the purpose of assessing the oral and speech motor abilities of children. An 86-item test was administered to 90 normally developing children aged 2:6-6:11. Evaluations of the structural integrity of the vocal tract did not show developmental change, although evaluations of oral and speech motor functioning changed significantly with age. The functional portion of the protocol was most sensitive to developmental change up to age 3:6, with an asymptote in performance thereafter. Clinical application of the protocol is discussed.
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