Familiarization Effects on Consonant Intelligibility in Dysarthric Speech

Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)
Heejin Kim

Abstract

This study investigates the effects of familiarization on naïve listeners' ability to identify consonants in dysarthric speech. A total of 120 listeners (30 listeners/speaker) participated in experiments over a 6-week period. Listeners were randomly assigned to one of the three familiarization conditions: a passive condition in which listeners heard audio recordings of words, an active condition in which listeners heard audio recordings of words while viewing the written material of words, and a control condition in which listeners had no exposure to the audio signal prior to identification tasks. Familiarization improved naïve listeners' ability to identify consonants produced by a speaker with dysarthria. The active familiarization method exhibited an advantage over the other conditions, in terms of the magnitude and rapidness of improvement. One-month delayed test scores were higher than pre-familiarization scores, but the advantage of active familiarization was not present for all speakers. This study supports familiarization benefits in enhancing consonant intelligibility in dysarthria and suggests that perceptual learning mechanisms be harnessed for developing effective listener-oriented intervention techniques in the man...Continue Reading

Citations

Aug 19, 2017·Journal of Speech, Language, and Hearing Research : JSLHR·Yunjung Kim, Yaelin Choi
May 22, 2020·Journal of Speech, Language, and Hearing Research : JSLHR·Kaitlin L LansfordCassidy Flechaus
Jan 29, 2021·Journal of Speech, Language, and Hearing Research : JSLHR·Micah E HirschStephanie A Borrie
Jul 22, 2021·Journal of Speech, Language, and Hearing Research : JSLHR·Stephanie A Borrie, Kaitlin L Lansford
Sep 22, 2021·Journal of Speech, Language, and Hearing Research : JSLHR·Koji SatoTakumi Taniguchi

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