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1
Coarticulatory Aspects of the Fluent Speech of French and Italian People Who Stutter Under Altered Auditory Feedback
In: Front Psychol (2020)
Abstract: A number of studies have shown that phonetic peculiarities, especially at the coarticulation level, exist in the disfluent as well as in the perceptively fluent speech of people who stutter (PWS). However, results from fluent speech are very disparate and not easily interpretable. Are the coarticulatory features observed in fluent speech of PWS a manifestation of the disorder, or rather a compensation for the disorder itself? The purpose of the present study is to investigate the coarticulatory behavior in the fluent speech of PWS in the attempt to answer the question on its symptomatic or adaptive nature. In order to achieve this, we have studied the speech of 21 adult PWS (10 French and 11 Italian) compared to that of 20 fluent adults (10 French and 10 Italian). The participants had to repeat simple CV syllables in short carrier sentences, where C = /b, d, g/ and V = /a, i, u/. Crucially, this repetition task was performed in order to compare fluent speech coarticulation of PWS to that of PWNS, and to compare the coarticulation of PWS under a condition with normal auditory feedback (NAF) and under a fluency-enhancing condition due to an altered auditory feedback (AAF). This is the first study, to our knowledge, to investigate the coarticulation behavior under AAF. The degree of coarticulation was measured by means of the Locus Equations (LE). The coarticulation degree observed in fluent PWS speech is lower than that of the PWNS, and, more importantly, in AAF condition, PWS coarticulation appears even weaker than in the NAF condition. The results allow to interpret the lower degree of coarticulation found in fluent speech of PWS under NAF condition as a compensation for the disorder, based on the fact that PWS’s coarticulation is weakening in fluency-enhancing conditions, further away from the degree of coarticulation observed in PWNS. Since a lower degree of coarticulation is associated to a greater separation between the places of articulation of the consonant and the vowel, these results are compatible with the hypothesis that larger articulatory movements could be responsible for the stabilization of the PWS speech motor system, increasing the kinesthetic feedback from the effector system. This interpretation shares with a number of relatively recent proposal the idea that stuttering derives from an impaired feedforward (open-loop) control system, which makes PWS rely more heavily on a feedback-based (closed loop) motor control strategy.
Keyword: Psychology
URL: https://doi.org/10.3389/fpsyg.2020.01745
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7390966/
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2
Bégaiement chez des adultes bègues français et italiens. Aspects disfluents et fluents dans deux conditions perceptives
In: Bilinguisme et biculture : nouveaux défis ? ; https://hal.archives-ouvertes.fr/hal-00835404 ; Sous la direction Peggy Gatignol & Sylvia Topouzkhanian. Responsables scientifiques des XIIèmes Rencontres Internationales d'Orthophonie. Bilinguisme et biculture : nouveaux défis ?, Ortho Edition, pp.117-143, 2012, 978-2-36235-039-9 (2012)
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3
La produzione di sillabe nella balbuzie in condizioni di feedback uditivo normale e alterato
In: International Conference on Stuttering ; https://hal.archives-ouvertes.fr/hal-00835401 ; International Conference on Stuttering, Jun 2012, Rome, Italy. pp.177-188 (2012)
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4
Speech timing organization for the phonological length contrast in Italian consonants
In: Proceedings of Interspeech ; Interspeech 2011 - 12th Annual Conference of the International Speech Communication Association ; https://hal.archives-ouvertes.fr/hal-00619254 ; Interspeech 2011 - 12th Annual Conference of the International Speech Communication Association, Aug 2011, Florence, Italy. pp.401-404 (2011)
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5
L' intervento precoce nel ritardo di linguaggio : il modello INTERACT per il bambino parlatore tardivo
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UB Frankfurt Linguistik
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6
Communication attitude of Italian children who do and do not stutter
In: Journal of communication disorders. - New York, NY : Elsevier 42 (2009) 2, 155-161
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OLC Linguistik
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7
Communication attitude of Italian children who do and do not stutter
In: Journal of communication disorders. - New York, NY : Elsevier 42 (2009) 2, 155-161
OLC Linguistik
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8
Acoustic and kinematic correlates of phonological length contrast in italian consonants
In: Proceedings of the 16th International Congress of Phonetic Sciences ; ICPhS 2007 - 16th International Congress of Phonetic Sciences ; https://hal.archives-ouvertes.fr/hal-00368800 ; ICPhS 2007 - 16th International Congress of Phonetic Sciences, Aug 2007, Saarbrücken, Germany. pp.469-472 (2007)
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9
Studi in onore di Franco Ferrero : [voce, canto, parlato]
Farnetani, Edda (Mitarb.); Cioni, Lorenzo (Mitarb.); Zmarich, Claudio (Mitarb.). - Roma [u.a.] : Unipress, 2003
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UB Frankfurt Linguistik
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10
Labial coarticulation modeling for realistic facial animation
In: Istituto di Scienze e Tecnologie della Cognizione <Roma u.a.> / Sezione di Fonetica e Dialettologia. Quaderni della Sezione di Fonetica e Dialettologia dell'ISTC. - Padova 5 (2003), 6 S.
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11
Effetti coarticolatori 3D sulle caratteristiche spaziotemporali dei movimenti delle labbra nelle consonanti bilabiali e labiodentali
In: Istituto di Scienze e Tecnologie della Cognizione <Roma u.a.> / Sezione di Fonetica e Dialettologia. Quaderni della Sezione di Fonetica e Dialettologia dell'ISTC. - Padova 5 (2003), 8 S.
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12
GRETA e LUCIA: due realistiche facce parlanti animate mediante un nuovo modello di coarticolazione
In: Istituto di Scienze e Tecnologie della Cognizione <Roma u.a.> / Sezione di Fonetica e Dialettologia. Quaderni della Sezione di Fonetica e Dialettologia dell'ISTC. - Padova 5 (2003), 8 S.
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13
Bilabial and labiodental movement patterns in stuttering and nonstuttering children during reiterant fluent speech
In: Istituto di Scienze e Tecnologie della Cognizione <Roma u.a.> / Sezione di Fonetica e Dialettologia. Quaderni della Sezione di Fonetica e Dialettologia dell'ISTC. - Padova 5 (2003), 11 S.
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14
Biometric data collection for bimodal applications
In: Istituto di Scienze e Tecnologie della Cognizione <Roma u.a.> / Sezione di Fonetica e Dialettologia. Quaderni della Sezione di Fonetica e Dialettologia dell'ISTC. - Padova 5 (2003), 4 S.
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15
Caratteristiche cinematiche e controllo motorio nella produzione fluente di consonanti bilabiali e labiodentali in bambini normali e balbuzienti
In: Istituto di Scienze e Tecnologie della Cognizione <Roma u.a.> / Sezione di Fonetica e Dialettologia. Quaderni della Sezione di Fonetica e Dialettologia dell'ISTC. - Padova 5 (2003), 9 S.
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16
La fonetica acustica come strumento di analisi della variazione linguistica in Italia : Macerata, Università degli Studi, 13 - 15 dicembre 2001
Rossi, Irene (Mitarb.); Avolio, Francesco (Mitarb.); Zmarich, Claudio (Mitarb.). - Roma : Il Calamo, 2002
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UB Frankfurt Linguistik
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17
An approach to an Italian talking head
In: Istituto di Fonetica e Dialettologia <Padua>. Quaderni dell'Istituto di Fonetica e Dialettologia. - Milano : Datanord Multimedia 4 (2002), 5
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18
Caratteristiche cinematiche e controllo motorio nella produzione fluente di consonanti bilabiali e labiodentali in bambini normali e balbuzienti
In: Istituto di Fonetica e Dialettologia <Padua>. Quaderni dell'Istituto di Fonetica e Dialettologia. - Milano : Datanord Multimedia 4 (2002), 10
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19
Modelling an Italian talking head
In: Istituto di Fonetica e Dialettologia <Padua>. Quaderni dell'Istituto di Fonetica e Dialettologia. - Milano : Datanord Multimedia 4 (2002), 7
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20
Effetti coarticolatori 3D sulle caratteristiche spaziotemporali dei movimenti delle labbra nelle consonanti bilabiali e labiodentali
In: Istituto di Fonetica e Dialettologia <Padua>. Quaderni dell'Istituto di Fonetica e Dialettologia. - Milano : Datanord Multimedia 4 (2002), 9
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