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Production and maintenance of voicing in consonantal sound /’/ produced by children with ssd

Grant number: 15/05023-4
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): December 01, 2015
Effective date (End): November 30, 2016
Field of knowledge:Health Sciences - Speech Therapy
Principal researcher:Haydée Fiszbein Wertzner
Grantee:Patrícia Tiemi Hashimoto
Home Institution: Faculdade de Medicina (FM). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

The Phonological Disorder (PD) is one of the most frequent in infant population. It is characterized by the inability or difficulty of the individual in using expected sounds for the tipically developing (TD) age. The severity varies from mild to severe, with heterogeneous manifestation. The speech disorders found in PD are variable, which the devoicing of fricatives are observed. To understand the mechanisms involved in the production of these sounds can contribute not only for the identification of the alterations but as well as in the application of more effective procedures in speech therapy. Purpose: describe phonological measures, electroglottography and aerodinamic signals of the voiced fricative /’/ and devoiced fricative /ƒ/, in children with PD and TD of speech and language. Method: 15 children with TD and 15 children with PD will participate. The phonologial processes and fonetic inventory will be analyzed, the Percentage of Correct Consonant index (PCC) and Percentage Of Correct Consonant-Revised index (PCC-R) will be calculated, and the acoustic, eletroglottography, and aerodinamic measures will be collected, by naming figures with voiced frivative sound /’/ and devoiced fricative sound /ƒ/.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
PATRÍCIA TIEMI HASHIMOTO; LUCIANA DE OLIVEIRA PAGAN-NEVES; LUIS MIGUEL TEIXEIRA DE JESUS; HAYDÉE FISZBEIN WERTZNER. Medidas aerodinâmicas, eletroglotográficas e acústicas na produção da fricativa pós-alveolar vozeada. CoDAS, v. 30, n. 3, . (13/17542-0, 15/05023-4)

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