Abstract
The purpose of this study was to obtain comparative information on the articulation of some common consonants by a very small sample of normal and deaf talkers. Information on the organization of articulation was collected by electromyography. Electrodes were placed on some diagnostic locations on the facial and tongue musculature, and the patterns of contractions were measured for 11 common consonants spoken in a disyllabic frame. The results show that patterns of facial muscle contractions in the deaf speakers are in general correct, by comparison with normals, although they are generally exaggerated. On the other hand, tongue muscle patterns of the deaf speakers are stereotyped but frequently wrong, though there is no consistent pattern to the direction of the errors.
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