Word final prolongations: acoustic characteristics and influence on speech fluency perception

Authors

DOI:

https://doi.org/10.1590/1678-460X202339349328

Keywords:

stuttering, speech acoustics, speech, language and hearing sciences

Abstract

The aim of this study was to characterize word final prolongations in individuals with and without stuttering as well as to investigate the influence of end of words prolongations on speech fluency perception. In Experiment 1, 14 subjects were submitted to speech fluency evaluation for analysis of duration and average frequency of extended phones at the end of words. In Experiment 2, twenty lay judges were asked to judge the fluency degree of utterances without disfluency, utterances containing prolongations and utterances containing filled pauses. In experiment 1 the groups differed only in the duration’s variation; in both groups the prolongations in monosyllabic words prevailed; 80% of the prolonged phones in both groups were vowels. In experiment 2 no significant difference was found in the comparison between the judgements of prolongations and filled pauses. The utterances without disfluency differentiated themselves significantly from the others. We suggest that characteristics such as position in the word, duration and physical concomitants should be considered before deeming prolongations as a stuttering-like disfluency.

Author Biographies

Lívia Maria Santos de Souza, Universidade de Brasília

Fonoaudióloga graduada pela Universidade de Brasíia. Mestrado em andamento pelo Programa de Pós-Graduação em Ciências da Reabilitação (PPGCR) da Universidade de Brasília (UnB). Atuação nas áreas de fluência, linguagem e fala.

Vanessa de Oliveira Martins-Reis, Universidade de Brasília

Possui graduação em Fonoaudiologia pela Universidade de São Paulo (2002) e doutorado em Linguística pela Universidade de São Paulo (2007). Atualmente é Professora Adjunta do Curso de Fonoaudiologia da Faculdade de Ceilândia da Universidade de Brasília e orientadora do Programa de Pós-graduação em Ciências Fonoaudiológicas da UFMG. Tem experiência na área de Fonoaudiologia, com ênfase em Fluência e Distúrbios da Fluência, Linguagem Oral e Escrita e Saúde Coletiva.

Pâmela Jesus dos Santos, Universidade de Brasília

Possui graduação em Fonoaudiologia pela Faculdade de Ceilândia (FCE) da Universidade de Brasília (UnB). Atualmente realiza residência (pós graduação lato sensu) no Programa Multiprofissional de Saúde da Família e Comunidade pela Escola de Ciências da Saúde, ESCS/SES-DF. Atuação em UTI neonatal e pediátrica e na área de linguagem.

Letícia Correa Celeste, Universidade de Brasília

Possui graduação em Fonoaudiologia pela Universidade Federal de Minas Gerais, mestrado e doutorado em Estudos Linguísticos pela Universidade Federal de Minas Gerais, com estágio doutoral no Laboratoire Parole et Langage (Université Aix-en-Provence - França). Pós-doutora pela Université Paris Diderôt. Atualmente é professora adjunto do curso de graduação em Fonoaudiologia da Universidade de Brasília e docente da Pós-Graduação em Ciências da Reabilitação da Universidade de Brasília. Sua linha de pesquisa investiga comunicação humana e seus distúrbios, desordens de fluência e aprimoramento da performance comunicativa.Líder do grupo de pesquisa "Comunicação Humana e Cognição", registrado no CNPq.

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Published

2023-10-14

How to Cite

Souza, L. M. S. de, Martins-Reis, V. de O., Santos, P. J. dos, Gomes, D. Ângela do V. ., Lima, A. M. L., & Celeste, L. C. (2023). Word final prolongations: acoustic characteristics and influence on speech fluency perception. DELTA: Documentação E Estudos Em Linguística Teórica E Aplicada, 39(3). https://doi.org/10.1590/1678-460X202339349328