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KMID : 1151120240320010037
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Annals of Child Neurology
2024 Volume.32 No. 1 p.37 ~ p.43
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Acoustic Voice Analysis in Children with Speech Sound Disorder and Intellectual Disability
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Han Min-Jeong
Song Mi-Kyoung
Kim Sun-Jun
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Abstract
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Purpose: This study was conducted to analyze the acoustic differences associated with the presence of speech sound disorder (SSD) and/or cognitive ability.
Methods: Medical records from 2016 to 2022 were retrospectively analyzed. The study included children aged 4 to 8 years who had undergone developmental assessments. Based on the assessment results, participants were divided into three groups: children with SSD without intellectual disability (ID), children with SSD and ID, and typically developing (TD) children. Voices were analyzed using the Multidimensional Voice Program (MDVP).
Results: The average ages of children with SSD, those with SSD and ID, and those categorized as TD were 61.0±11.4, 62.3±10.7, and 64.2±9.4 months, respectively (P=0.482). The proportion of children with SSD and ID who also had attention deficit hyperactivity disorder was significantly higher (53.3%) than in the other groups (P=0.010). In the MDVP analysis, among values related to fundamental frequency, the number of segments computed was significantly lower in children with SSD and ID compared to the other groups (SSD, 25.0; SSD with ID, 17.0; TD, 19.0; P=0.001). Similarly, the total number of pitch periods detected was significantly lower among those with both SSD and ID (SSD, 230.0; SSD with ID, 152.5; TD, 187.0; P=0.001). No other parameters significantly differed across groups.
Conclusion: Acoustic analysis can reflect voice changes in children with SSD and ID compared to both those with SSD and TD children. Therefore, voice analysis may serve as a supportive screening tool for patients with SSD.
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KEYWORD
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Speech sound disorder, Intellectual disability, Voice, Child
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