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An exploration of the occurrence of speech sound disorders in children with autism spectrum disorder aged 4;0 ? 7;11 years
Language development in children with autism spectrum disorder (ASD) is an area of study that has received a lot of attention, however there is limited research available on speech development in this population. There is especially limited research that has investigated speech sound disorders (SSDs...
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| Format: | Thesis |
| Language: | English |
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Department of Health and Rehabilitation Sciences
2024
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| _version_ | 1867613216986628096 |
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| access_status_str | Open Access |
| author | Kapoutsis, Stefania |
| author2 | Harty, Michal |
| author_browse | Harty, Michal Kapoutsis, Stefania |
| author_facet | Harty, Michal Kapoutsis, Stefania |
| author_sort | Kapoutsis, Stefania |
| collection | Thesis |
| description | Language development in children with autism spectrum disorder (ASD) is an area of study that has received a lot of attention, however there is limited research available on speech development in this population. There is especially limited research that has investigated speech sound disorders (SSDs) in children with ASD in South Africa. This study aimed to describe the type of SSDs children with Autism Spectrum Disorders (ASD) aged 4;0 – 7;11 years present with. The study employed a descriptive, exploratory research design. Twentyfive children aged 4;0 – 7;11 years with a diagnosis of ASD, attending English-medium schools in the Southern Suburbs of Cape Town, South Africa, participated in the study. The findings were described based on the classifications of SSDs (using Dodd's (2005) differential diagnostic framework), intelligibility ratings, production of phonemes and phonotactic structures, the occurrence of phonological processes, oro-motor ability, and prosody. Phonological delays were the most commonly occurring SSDs, this was followed by articulation disorders, phonological disorders and inconsistent phonological disorders. No participants in the sample were diagnosed with childhood apraxia of speech (CAS). The findings suggested that children with ASD appear to acquire vowels, consonants and phonotactic structures at the same trajectory as typically developing children. Variations in the acquisition of fricatives, affricates and liquids were observed. Substitution, syllable and atypical phonological processes were observed across the sample. A higher prevalence of delayed and atypical phonological processes were observed in the sample of children with ASD, compared to the norms available for typically developing children. The results of this study have indicated that while children with ASD acquire phonemes at the same rate as their typically developing peers, children with ASD may be more likely to present with SSDs. These findings highlight the need for SLTs to ensure that accurate speech assessments are carried out among this population, rather than focusing solely on language. This study is a starting point for further research to be carried out on speech development and SSDs in children with ASD. |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/39573 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:32:37.404Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2024 |
| publishDateRange | 2024 |
| publishDateSort | 2024 |
| publisher | Department of Health and Rehabilitation Sciences |
| publisherStr | Department of Health and Rehabilitation Sciences |
| record_format | dspace |
| source_str | UCTD — University of Cape Town Open Access Repository |
| spelling | oai:open.uct.ac.za:11427/39573 An exploration of the occurrence of speech sound disorders in children with autism spectrum disorder aged 4;0 ? 7;11 years Kapoutsis, Stefania Harty, Michal Speech-Language Pathology Language development in children with autism spectrum disorder (ASD) is an area of study that has received a lot of attention, however there is limited research available on speech development in this population. There is especially limited research that has investigated speech sound disorders (SSDs) in children with ASD in South Africa. This study aimed to describe the type of SSDs children with Autism Spectrum Disorders (ASD) aged 4;0 – 7;11 years present with. The study employed a descriptive, exploratory research design. Twentyfive children aged 4;0 – 7;11 years with a diagnosis of ASD, attending English-medium schools in the Southern Suburbs of Cape Town, South Africa, participated in the study. The findings were described based on the classifications of SSDs (using Dodd's (2005) differential diagnostic framework), intelligibility ratings, production of phonemes and phonotactic structures, the occurrence of phonological processes, oro-motor ability, and prosody. Phonological delays were the most commonly occurring SSDs, this was followed by articulation disorders, phonological disorders and inconsistent phonological disorders. No participants in the sample were diagnosed with childhood apraxia of speech (CAS). The findings suggested that children with ASD appear to acquire vowels, consonants and phonotactic structures at the same trajectory as typically developing children. Variations in the acquisition of fricatives, affricates and liquids were observed. Substitution, syllable and atypical phonological processes were observed across the sample. A higher prevalence of delayed and atypical phonological processes were observed in the sample of children with ASD, compared to the norms available for typically developing children. The results of this study have indicated that while children with ASD acquire phonemes at the same rate as their typically developing peers, children with ASD may be more likely to present with SSDs. These findings highlight the need for SLTs to ensure that accurate speech assessments are carried out among this population, rather than focusing solely on language. This study is a starting point for further research to be carried out on speech development and SSDs in children with ASD. 2024-05-02T09:17:22Z 2024-05-02T09:17:22Z 2023 2024-05-02T08:25:38Z Thesis / Dissertation Masters MSc http://hdl.handle.net/11427/39573 eng application/pdf Department of Health and Rehabilitation Sciences Faculty of Health Sciences |
| spellingShingle | Speech-Language Pathology Kapoutsis, Stefania An exploration of the occurrence of speech sound disorders in children with autism spectrum disorder aged 4;0 ? 7;11 years |
| thesis_degree_str | Master's |
| title | An exploration of the occurrence of speech sound disorders in children with autism spectrum disorder aged 4;0 ? 7;11 years |
| title_full | An exploration of the occurrence of speech sound disorders in children with autism spectrum disorder aged 4;0 ? 7;11 years |
| title_fullStr | An exploration of the occurrence of speech sound disorders in children with autism spectrum disorder aged 4;0 ? 7;11 years |
| title_full_unstemmed | An exploration of the occurrence of speech sound disorders in children with autism spectrum disorder aged 4;0 ? 7;11 years |
| title_short | An exploration of the occurrence of speech sound disorders in children with autism spectrum disorder aged 4;0 ? 7;11 years |
| title_sort | exploration of the occurrence of speech sound disorders in children with autism spectrum disorder aged 4 0 7 11 years |
| topic | Speech-Language Pathology |
| url | http://hdl.handle.net/11427/39573 |
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