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http://dx.doi.org/10.13064/KSSS.2015.7.2.003

Denasalization error pattern for typically developing and SSD children  

Kim, Min Jung (아이들세상)
Publication Information
Phonetics and Speech Sciences / v.7, no.2, 2015 , pp. 3-8 More about this Journal
Abstract
Denasalization that nasals are replaced by stops is an unusual error pattern related to manner of articulation. The purpose of this study is to investigate the prevalence of denasalization and to scrutinize the nasal production according to phonological context for typically developing children and children with speech sound disorders(SSD). 220 typically developing children and 48 SSD children from 2~6 years of age were tested with a formal word test, and those who demonstrate denasalization were selected. In addition, the nasal production of SSD children with denasalization were analyzed for the correctness and the error types using the formal word test and spontaneous conversation. The results were as follows: (1) Denasalization was shown in below 10% of 2-3 years of age with typically developing children and in above 20% of 2-5 years of age with SSD. (2) The SSD children who demonstrate denasalization were categorized into 4 types according to the error context of nasals; nasal errors with all word positions, nasal errors with word-final and word-medial positions, nasal errors with word-medial position preceding vowels, and nasal errors with word-medial position preceding obstruents. These results indicate that denasalization is a clinically important error pattern, and word-medial position preceding obstruents is an essential context for denasalization in terms of Korean phonotactics.
Keywords
denasalization; speech sound disorders; nasals; phonological error pattern;
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Times Cited By KSCI : 1  (Citation Analysis)
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