Nonlinear analysis by phase space reconstruction of healthy elderly voices

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniv Unoeste Paulista UNOESTE-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Federal de São Carlos (UFSCar)-
Autor(es): dc.creatorFernandes, Luana Alves-
Autor(es): dc.creatorMarino, Viviane Cristina de Castro-
Autor(es): dc.creatorSpazzapan, Evelyn Alves-
Autor(es): dc.creatorGaldino, Debora Godoy-
Autor(es): dc.creatorTeles, Lidia Cristina da Silva-
Autor(es): dc.creatorMontagnolli, Arlindo Neto-
Autor(es): dc.creatorKakuda, Debora Sayuri-
Autor(es): dc.creatorFabbron, Eliana Maria Gradin-
Data de aceite: dc.date.accessioned2025-08-21T20:06:20Z-
Data de disponibilização: dc.date.available2025-08-21T20:06:20Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2022-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1590/2317-1782/20232021280en-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/302618-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/302618-
Descrição: dc.descriptionPurpose: To compare the results of the non-linear acoustic analysis of elderly male and female voices, speakers of Brazilian Portuguese. Methods: Recordings of 14 men and 15 women were used. The voices were consensually judged to be vocally healthy by three trained speech therapists. The non-linear acoustic analysis was performed by the Phase Space Reconstruction (PSR) analysis using the Voice Analysis program. Results: A significant difference was observed in the parameter irregularity (p = 0.001) and spacing (p = 0.005), with worse results for the male group. While 93% of male voices presented degrees 2 or 3 of irregularity, these degrees were observed in 53% of female voices. In 78.6% of male voices, medium to large spacing was observed, a fact observed only in 26.7% of women. Conclusion: The results of the non-linear analysis, through the Phase Space Reconstruction, using the CIS Protocol, in the voices of the elderly, showed the best result in terms of the number of curves (four or more). Regarding the irregularity of the tracing, in men, the majority presented grades 2 and 3 and in women, half presented grade 1. Regarding the spacing, 78.6% of the male voices had medium to large spacing, a fact observed only in 26.7% of women.There was a difference between the sexes in the vocal findings of the elderly by the CIS protocol with the PSR, pointing out worse results irregularity and spacing in the male population, which suggests greater vocal aperiodicity in elderly men.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionPROPE/Unesp-
Descrição: dc.descriptionUniv Estadual Paulista Julio de Mesquita Filho UNE, Fac Filosofia & Ciencias, Dept Fonoaudiol, Rua Anna Aparecida Nicolella Marques 0350, BR-17511901 Marilia, SP, Brazil-
Descrição: dc.descriptionUniv Unoeste Paulista UNOESTE, Dept Fonoaudiol, Presidente Prudente, SP, Brazil-
Descrição: dc.descriptionUniv Sao Paulo, Dept Fonoaudiol, Bauru, SP, Brazil-
Descrição: dc.descriptionUniv Fed Sao Carlos UFSCar, Sao Carlos, SP, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista Julio de Mesquita Filho UNE, Fac Filosofia & Ciencias, Dept Fonoaudiol, Rua Anna Aparecida Nicolella Marques 0350, BR-17511901 Marilia, SP, Brazil-
Descrição: dc.descriptionCNPq: 1043-
Formato: dc.format8-
Idioma: dc.languageen-
Publicador: dc.publisherSoc Brasileira Fonoaudiologia-
Relação: dc.relationCodas-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectVoice-
Palavras-chave: dc.subjectVoice Quality-
Palavras-chave: dc.subjectAcoustic-
Palavras-chave: dc.subjectElderly-
Palavras-chave: dc.subjectNonlinear Dynamics-
Título: dc.titleNonlinear analysis by phase space reconstruction of healthy elderly voices-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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