An EPG analysis of /t/ in young people with Down's syndrome

Timmins, Claire; Hardcastle, William J.; Wood, Sara; Cleland, Joanne

doi:10.3109/02699206.2011.616981

Cited by 10 publications

(5 citation statements)

References 22 publications

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“…Patterns of lingual contact have been studied with electropalatography (EPG) (Gibbon et al, 2003; Hamilton, 1993; Timmins, Cleland, Wishart, Wood, & Hardcastle, 2009; Timmins, Hardcastle, Woods & Cleland, 2011). Abnormalities observed in DS included both excessive and reduced areas of articulatory contact, moving contact, extended closure durations for occlusive consonants, and lengthened consonant transition times within clusters.…”

Section: Speech Sound Disorders (Table 2)mentioning

confidence: 99%

Speech Impairment in Down Syndrome: A Review

Kent

Vorperian

2013

J Speech Lang Hear Res

192

145

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Purpose This review summarizes research on disorders of speech production in Down Syndrome (DS) for the purposes of informing clinical services and guiding future research. Method Review of the literature was based on searches using Medline, Google Scholar, Psychinfo, and HighWire Press, as well as consideration of reference lists in retrieved documents (including online sources). Search terms emphasized functions related to voice, articulation, phonology, prosody, fluency and intelligibility. Conclusions The following conclusions pertain to four major areas of review: (a) Voice. Although a number of studies have been reported on vocal abnormalities in DS, major questions remain about the nature and frequency of the phonatory disorder. Results of perceptual and acoustic studies have been mixed, making it difficult to draw firm conclusions or even to identify sensitive measures for future study. (b) Speech sounds. Articulatory and phonological studies show that speech patterns in DS are a combination of delayed development and errors not seen in typical development. Delayed (i.e., developmental) and disordered (i.e., nondevelopmental) patterns are evident by the age of about 3 years, although DS-related abnormalities possibly appear earlier, even in infant babbling. (c) Fluency and prosody. Stuttering and/or cluttering occur in DS at rates of 10 to 45%, compared to about 1% in the general population. Research also points to significant disturbances in prosody. (d) Intelligibility. Studies consistently show marked limitations in this area but it is only recently that research goes beyond simple rating scales.

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Section: Speech Sound Disorders (Table 2)mentioning

confidence: 99%

Speech Impairment in Down Syndrome: A Review

Kent

Vorperian

2013

J Speech Lang Hear Res

192

145

View full text Add to dashboard Cite

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“…It is important to highlight studies in normal individuals that aim to guide the research in different speech pathologies. Few studies (18,12) related electropalatographic and ultrasonography analysis, both in normal individuals and in those with speech disorders.…”

Section: Resultsmentioning

confidence: 99%

Eletropalatografia e sua correlação à ultrassonografia do movimento de língua nas análises da fala

Barberena

Portalete

Simoni

et al. 2017

CoDAS

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RESUMO Objetivo Analisar o uso da eletropalatografia e ultrassonografia na área da Fonoaudiologia por meio de revisão narrativa de literatura. Estratégia de pesquisa Foi realizada pesquisa bibliográfica nas bases de dados PubMed e Scielo, utilizando como descritores electropalatography, electropalatography AND evaluation, electropalatography AND therapy, electropalatography AND ultrasonography, electropalatography AND speech. Critérios de seleção Como critério da pesquisa em base de dados, foram selecionados: estudos dos últimos cinco anos e estudos em humanos. Na pré-seleção, foram descartados estudos duplicados, não disponibilizados na íntegra e que não apresentassem relação direta da eletropalatografia para a área da Fonoaudiologia. Análise dos dados A análise de dados foi realizada de forma descritiva, seguindo as subdivisões: título, área, ano, tema, aplicação e conclusão do estudo. Resultados Foram selecionados vinte e um artigos, oito deles utilizando o termo electropalatography, dois com os descritores electropalatography AND evaluation, seis artigos com os descritores electropalatography AND therapy, três artigos com os descritores electropalatography AND ultrasonography e dois artigos com os descritores electropalatography AND speech. Conclusão Foram encontrados e analisados diferentes tipos de pesquisas envolvendo o uso da eletropalatografia na área da Fonoaudiologia. Poucas pesquisas utilizaram concomitantemente a eletropalatografia e a ultrassonografia.

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“…The possible advantage of this over existing Talking Heads is that normative data exist for a small number of children (Timmins Hardcastle, Wood, and Cleland, 2011) and many more adults (e.g. McLeod and Roberts, 2005).…”

Section: Discussionmentioning

confidence: 99%

Tongue reading: Comparing the interpretation of visual information from inside the mouth, from electropalatographic and ultrasound displays of speech sounds

Cleland

McCron

Scobbie

2013

Clinical Linguistics & Phonetics

Self Cite

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Analogous to lip-reading, there may be a natural human capacity to 'tongue-read'. Although the ability of untrained participants to perceive aspects of the speech signal has been explored for some visual representations of the vocal tract (i.e. talking heads), it is not yet known to what extent there is a natural ability to interpret speech information presented through two clinical phonetic tools:EPG and ultrasound. This study aimed to determine whether there is any intuitive ability to interpret the images produced by these systems.Twenty adults viewed real-time and slow motion EPG and ultrasound silent movies of 10 different linguo-palatal consonants and four vowels. Participants selected which segment they perceived from four forced-choice options.Overall participants scored above chance in the EPG and ultrasound conditions, suggesting that these images can be interpreted intuitively to some degree. This was the case for consonants in both conditions and for vowels in the EPG condition.

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An EPG analysis of /t/ in young people with Down's syndrome

Cited by 10 publications

References 22 publications

Speech Impairment in Down Syndrome: A Review

Speech Impairment in Down Syndrome: A Review

Eletropalatografia e sua correlação à ultrassonografia do movimento de língua nas análises da fala

Tongue reading: Comparing the interpretation of visual information from inside the mouth, from electropalatographic and ultrasound displays of speech sounds

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