Speech Characteristics and Intelligibility in Adults with Mild and Moderate Intellectual Disabilities.

Autor: Coppens-Hofman, Marjolein C., Terband, Hayo, Snik, ad F.M., Maassen, Ben a.M.
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Zdroj: Folia Phoniatrica et Logopaedica; 2016, Vol. 68 Issue 4, p175-182, 8p
Abstrakt: Purpose: Adults with intellectual disabilities (ID) often show reduced speech intelligibility, which affects their social interaction skills. This study aims to establish the main predictors of this reduced intelligibility in order to ultimately optimise management. Method: Spontaneous speech and picture naming tasks were recorded in 36 adults with mild or moderate ID. Twenty-five naïve listeners rated the intelligibility of the spontaneous speech samples. Performance on the picture-naming task was analysed by means of a phonological error analysis based on expert transcriptions. Results: The transcription analyses showed that the phonemic and syllabic inventories of the speakers were complete. However, multiple errors at the phonemic and syllabic level were found. The frequencies of specific types of errors were related to intelligibility and quality ratings. Conclusions: The development of the phonemic and syllabic repertoire appears to be completed in adults with mild-to-moderate ID. The charted speech difficulties can be interpreted to indicate speech motor control and planning difficulties. These findings may aid the development of diagnostic tests and speech therapies aimed at improving speech intelligibility in this specific group. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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