A Study Of Minor Organic Deviations In ‘Functional’ Disorders Of Articulation: 1. Rate Of Movement Of Oral Structures

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Abstract
From a population of young adults, 15 males and 15 females with superior consonant articulation and 15 males and 15 females with inferior consonant articulation were chosen on the basis of sex and functional articulatory ability. Relative differences between ability groups were small. Differences between sex groups were consistently but not significantly in favor of the male. In all 4 groups, movements of speech structures were uniformly found to be significantly faster than movements of the eyebrows. This report covers only the data on rates of repetitive movements expressed in mean nos. per sec. of lip, mandible, tongue-alveolar, tongue protrusion, and eyebrow movements.

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