Defining and Remediating Persistent Lateral Lisps in Children Using Electropalatography

Paul A. Dagenais · Paula Critz-Crosby · June B. Adams

43 citations0/0 files storedAmerican Journal of Speech-Language Pathology

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Language Development and Disorders Phonetics and Phonology Research Cleft Lip and Palate Research

Abstract

Electropalatography (EPG) was used to train two 8-year-old girls with persistent lateral lisps. Pretreatment evaluations showed that the two speakers differed in the manner in which they produced lisps. Subject 1, who produced errors for /s/ and /z/ sounds only, produced these errors with linguapalatal closure across the alveolar ridge and no contact at the region of the molars. She remediated quickly (17 treatment sessions) and could produce correct productions in conversation when monitored. Subject 2 produced errors for the alveolar sibilants, the palatal sibilants, and the affricates. She produced these errors with linguapalatal contacts along the alveolar processes using a midline groove similar to that used for palatal sibilants. A rounded tongue configuration was suspected to occur that allowed for midline air passage as well as air passage through the buccal cavities. Subject 2 made minimal gains after 28 treatment sessions. Possible causes for the different performances of the two subjects are discussed.

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References

1957Certain Language Skills in Children 2014Goldman‐Fristoe Test of Articulation 2 1972When are Speech Sounds Learned?1980The Inference of Speech Perception in the Phonologically Disordered Child. Part I 1989Palatometric Specification of Stop, Affricate, and Sibilant Sounds 1988Compensating for a bite block in /s/ and /t/ production: Palatographic, acoustic, and perceptual data 2011Vineland Adaptive Behavior Scale 1987An Instrumental Phonetic Study of Lingual Activity in Articulation-Disordered Children

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2006Tongue/palate contact for the production of / s / and /z/1998Facilitating [s] production in young children: an experimental evaluation of motoric and conceptual treatment approaches 2006Treatment with a combination of intra-oral sensory stimulation and electropalatography in a child with severe developmental dyspraxia

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