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Long time average spectrum and nasometric analysis of cleft palate speech after intensive speech-therapy program with individuals with cleft lip and palate

Grant number: 17/01047-1
Support Opportunities:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): April 10, 2017
Effective date (End): July 31, 2017
Field of knowledge:Health Sciences - Speech Therapy
Principal Investigator:Maria Inês Pegoraro Krook
Grantee:Gabriela Zuin Ferreira
Supervisor: Tim Bressmann
Host Institution: Faculdade de Odontologia de Bauru (FOB). Universidade de São Paulo (USP). Bauru , SP, Brazil
Research place: University of Toronto (U of T), Canada  
Associated to the scholarship:14/25510-4 - Intensive speech therapy program in patients with cleft lip and palate, BP.DR


Introduction: Intensive Speech-Therapy Programs (ISTP) have been cited in literature as one of the most effective interventions for speech improvement in individuals with cleft lip and palate. To evaluate the effectiveness of ISTP, perceptual-auditory speech evaluation is considered the gold standard even though it is reported to be a subjective method. Acoustic analysis (spectral and nasometric) are proposed as assessment methods to complement perceptual analysis while identifying the effects of the intervention, controlling in part the subjectivity of the perceptual evaluation. Objective: Verify the efficacy of ISTP to correct cleft palate speech using long time average spectrum (LTAS) and nasometric analysis to compare the outcome before and after treatment. Material and methods: The case series will consist of 40-recorded speech samples from patients with cleft lip and palate submitted to an ISTP. LTAS will be done using the PRAAT Program, and nasometry will be done using the diagnostic algorithms formulas based on linear distinguish analysis of nasalance scores. ANOVA test will be used for comparison of the results before and after ISTP for of both LTAS and nasometry. (AU)

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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)
FERREIRA, GABRIELA ZUIN; BRESSMANN, TIM; RILLO DUTKA, JENNIFER DE CASSIA; WHITAKER, MELINA EVANGELISTA; DE BOER, GILLIAN; DE CASTRO MARINO, VIVIANE CRISTINA; PEGORARO-KROOK, MARIA INES. Analysis of oral-nasal balance after intensive speech therapy combined with speech bulb in speakers with cleft palate and hypernasality. JOURNAL OF COMMUNICATION DISORDERS, v. 85, . (15/11312-9, 14/25510-4, 17/01047-1)

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