Individual Variability in Delayed Auditory Feedback Effects on Speech Fluency and Rate in Normally Fluent Adults

Chon, Hee Cheong; Kraft, Shelly Jo; Zhang, Jingfei; Loucks, Torrey M.; Ambrose, Nicoline Grinager

doi:10.1044/1092-4388(2012/11-0303)

Cited by 29 publications

(40 citation statements)

References 68 publications

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“…These results reinforce reports from students who described difficulties in speaking fluently with DAF (15,28) . In the intergroup comparison of spontaneous speech, there were more differences in Non-Altered Auditory Feedback condition than in the delayed one (Tables 2).…”

Section: Discussionsupporting

confidence: 81%

Efeito da retroalimentação auditiva atrasada na fala e leitura de taquifêmicos

Perrucini

Cardoso

Moura

et al. 2017

Audiol., Commun. Res.

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Introduction: Auditory feedback changes, in general, provide the increase of the speech fluency of people who stutter, but few studies have investigated the effects on speech of people who clutter. Purpose: To compare the speech rate and frequency of speech disruption in spontaneous speech and reading of adults with and without cluttering, with two different auditory feedbacks. Methods: Participants were 16 adults, divided into two groups: Research Group (G1) composed by eight cluttering adults; Control Group (G2), composed by 8 fluent adults, paired by age and gender to participants of G1. The participants of G1 should present at least 10% of common disfluencies, and speech rate higher than the standards expected for age and gender. The procedures used were audiology assessment and fluency evaluation (spontaneous speech and reading) in two listening conditions, with Non-Altered Auditory Feedback (NAF) and after with Delayed Auditory Feedback (DAF). Results: DAF caused reduction of flow of syllables per minute and frequency of common disfluencies in G1 during spontaneous speech task. In reading, there was a decrease in speech disruption and flow of syllables per minute, in G2, influenced by the effect of DAF. Conclusion:The delayed auditory feedback effect in adults who clutter was positive in spontaneous speech due the reduction of speech rate and common disfluencies that are the main manifestations of this disorder.

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Section: Discussionsupporting

confidence: 81%

Efeito da retroalimentação auditiva atrasada na fala e leitura de taquifêmicos

Perrucini

Cardoso

Moura

et al. 2017

Audiol., Commun. Res.

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“…The interaction between the auditory aspects and the speech fluency has been demonstrated in the literature [17][18][19][20][21] , arousing thus the interest among researchers about the topic of stuttering and hearing.…”

Section: Introductionmentioning

confidence: 99%

“…Studies in fluent individuals have shown that delayed auditory feedback (DAF) has caused difficulties in speech fluency [16][17][18][19][20][21][22] , and decrease in speech rate [23][24][25] .…”

Section: Introductionmentioning

confidence: 99%

The role of auditory temporal cues in the fluency of stuttering adults

et al. 2017

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Purpose: to compare the frequency of disfluencies and speech rate in spontaneous speech and reading in adults with and without stuttering in non-altered and delayed auditory feedback (NAF, DAF).Methods: participants were 30 adults: 15 with Stuttering (Research Group -RG), and 15 without stuttering (Control Group -CG). The procedures were: audiological assessment and speech fluency evaluation in two listening conditions, normal and delayed auditory feedback (100 milliseconds delayed by Fono Tools software).Results: the DAF caused a significant improvement in the fluency of spontaneous speech in RG when compared to speech under NAF. The effect of DAF was different in CG, because it increased the common disfluencies and the total of disfluencies in spontaneous speech and reading, besides showing an increase in the frequency of stuttering--like disfluencies in reading. The intergroup analysis showed significant differences in the two speech tasks for the two listening conditions in the frequency of stuttering-like disfluencies and in the total of disfluencies, and in the flows of syllable and word-per--minute in the NAF.Conclusion: the results demonstrated that delayed auditory feedback promoted fluency in spontaneous speech of adults who stutter, without interfering in the speech rate. In non-stuttering adults an increase occurred in the number of common disfluencies and total of disfluencies as well as reduction of speech rate in spontaneous speech and reading.

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“…For instance, there is evidence that prelingual deaf children have problems in developing intelligible speech skills (Oller & Eilers, 1988) and that speech production of children with cochlear implants, who receive better auditory input, is often more adequate than that of children with strong hearing loss using hearing aids (Baudonck, Dhooge, D'haeseleer, & Van Lierde, 2010). Several studies have shown that delaying auditory feedback or masking auditory feedback by noise affects speech production both in typical (Amazi & Garber, 1982;Chon, Kraft, Zhang, Loucks, & Ambrose, 2012;Sasisekaran, 2012) and clinical populations (Hudock & Kalinowski, 2014).…”

Section: Phonological Representations and The Role Of Altered Auditormentioning

confidence: 99%

Increased Response to Altered Auditory Feedback in Dyslexia: A Weaker Sensorimotor Magnet Implied in the Phonological Deficit

Bunt

Groen

Itō

et al. 2017

J Speech Lang Hear Res

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a Purpose: The purpose of this study was to examine whether developmental dyslexia (DD) is characterized by deficiencies in speech sensory and motor feedforward and feedback mechanisms, which are involved in the modulation of phonological representations. Method: A total of 42 adult native speakers of Dutch (22 adults with DD; 20 participants who were typically reading controls) were asked to produce /bep/ while the first formant (F1) of the /e/ was not altered (baseline), increased (ramp), held at maximal perturbation (hold), and not altered again (after-effect). The F1 of the produced utterance was measured for each trial and used for statistical analyses. The measured F1s produced during each phase were entered in a linear mixed-effects model. Results:Participants with DD adapted more strongly during the ramp phase and returned to baseline to a lesser extent when feedback was back to normal (after-effect phase) when compared with the typically reading group. In this study, a faster deviation from baseline during the ramp phase, a stronger adaptation response during the hold phase, and a slower return to baseline during the after-effect phase were associated with poorer reading and phonological abilities. Conclusion:The data of the current study are consistent with the notion that the phonological deficit in DD is associated with a weaker sensorimotor magnet for phonological representations.

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Individual Variability in Delayed Auditory Feedback Effects on Speech Fluency and Rate in Normally Fluent Adults

Abstract: Individual variability in response to DAF may be accounted for by subgroups of individuals. This suggests that certain normally fluent individuals could be more dependent on intact feedback to maintain fluency.

Cited by 29 publications

References 68 publications

Efeito da retroalimentação auditiva atrasada na fala e leitura de taquifêmicos

Efeito da retroalimentação auditiva atrasada na fala e leitura de taquifêmicos

The role of auditory temporal cues in the fluency of stuttering adults

Increased Response to Altered Auditory Feedback in Dyslexia: A Weaker Sensorimotor Magnet Implied in the Phonological Deficit

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