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1.
JASA Express Lett ; 4(7)2024 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-38984970

RESUMO

This article presents a different experiment examining the impact of feedback timing on its perception. Dialog sequences, featuring a main speaker's utterance followed by a listener's feedback, were extracted from spontaneous conversations. The original feedback instances were manipulated to be produced earlier, up to 1.5 s in advance, or to be delayed, up to 2 s later. Participants evaluated the feedback acceptability and engagement level of the listener. The findings reveal that 76% of the time feedback remains acceptable regardless of the delay. However, engagement decreases after a 1-s delay while no consistent effect is observed for feedback anticipation.


Assuntos
Comunicação , Humanos , Masculino , Feminino , Adulto , Adulto Jovem , Retroalimentação , Fatores de Tempo , Percepção da Fala/fisiologia
2.
Int J Lang Commun Disord ; 56(6): 1204-1217, 2021 11.
Artigo em Inglês | MEDLINE | ID: mdl-34383363

RESUMO

BACKGROUND: Hyperkinetic dysarthria is often present in isolated dystonia (ID) and is still understudied. Four main clusters of deviant speech dimensions in dystonia hyperkinetic dysarthria were initially provided: articulatory inaccuracy, phonatory stenosis, prosodic excess and prosodic insufficiency. AIM: The aim of our exploratory study was to provide preliminary data on both perceptual and acoustic analyses in relation to three out of these four main clusters. METHODS & PROCEDURES: Eleven patients with ID and 11 healthy controls (HC) participated in this study. Clinical/perceptual assessments and acoustic analyses of speech recordings were performed, the latter allowing for the analysis of parameters referring to aerophonatory control, voice quality, prosodic features and speech intelligibility estimated by nine listeners. Between-group statistical comparisons were performed (Wilcoxon tests, p < 0.05). Single-case differences between each patient and the control group were also carried out (effect size index and t < 0.05). OUTCOMES & RESULTS: Between-group comparisons confirmed the presence of a 'phonatory stenosis'; in addition, deficit in aerophonatory control and hypophonia was also displayed. 'Prosodic insufficiency' was confirmed, but not at the individual level. 'Prosodic excess' manifested only in patients with marked and severe dysarthria. Correlations between altered maximum phonation time, loudness variation, speech and articulatory rates on the one hand, and several clinical speech assessments on the other hand, were also found. CONCLUSIONS & IMPLICATIONS: From these findings, altogether, perceptual characteristics of hyperkinetic dysarthria, as suggested by Darley et al., were quantified by the acoustic parameters we measured. As regards to our data obtained in a small participant sample, we would suggest that Darley et al.'s clusters of excess and insufficiency prosody should be questioned in future studies involving larger numbers of dystonic patients. Our study provides novel and preliminary results that demonstrate the relevance of using quantitative measures to further characterise speech/voice deficits in patients with ID.


Assuntos
Distonia , Acústica , Disartria/diagnóstico , Disartria/etiologia , Humanos , Acústica da Fala , Inteligibilidade da Fala , Medida da Produção da Fala
3.
Front Psychol ; 4: 705, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-24115939

RESUMO

This paper investigates how and when interactional convergence is established by participants in conversation. We analyze sequences of storytelling using an original method that combines Conversation Analysis and a corpus-based approach. In storytelling, the participant in the position of "listener" is expected to produce either generic or specific responses adapted to the storyteller's narrative. The listener's behavior produced within the current activity is a cue of his/her interactional alignment. We show here that the listener can produce a specific type of (aligned) response, which we term a reported speech utterance in echo. The participant who is not telling the story is nonetheless able to animate the characters, while reversing the usual asymmetric roles of storyteller and listener. The use of this device is a way for the listener to display his/her stance toward the events told by the storyteller. If the listener's stance is congruent with that of the storyteller, this reveals a high degree of affiliation between the participants. We present seventeen excerpts from a collection of 94 instances of Echo Reported Speech (ERS) which we examined using the concepts of alignment and affiliation in order to show how different kinds of convergent sequences are constructed. We demonstrate that this phenomenon is mainly used by the listener to align and affiliate with the storyteller by means of reformulative, enumerative, or overbidding ERS. We also show that in affiliative sequences, reported speech can be used by the listener in a humorous way in order to temporarily disalign. This disalignment constitutes a potential starting point for an oblique sequence, which, if accepted and continued by the storyteller, gives rise to a highly convergent sequence.

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