Article (Scientific journals)
Phonological and phonetic impairment in aphasic speech: an acoustic study of the voice onset time of six French-speaking aphasic patients
Verhaegen, Clémence; Delvaux, Véronique; Fagniart, Sophie et al.
2019In Clinical Linguistics and Phonetics
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Abstract :
[en] The aim of the present study is to contribute to the description of the speech production deficits in French-speaking aphasic patients, so as to shed light on their potential phonetic and/or phonological disorders. Acoustic studies of aphasics' speech productions remain relatively infrequent, especially in French, and when entering into the specifics, often lead to inconsistent results. We conducted a multiplecase study on six aphasic patients, four with non-fluent aphasia and two with fluent aphasia. They were administered a variety of language and neuropsychological tasks, then they participated in a customized non-word repetition task. Acoustic analyses of their speech productions were performed, focussing on VOT as the main acoustic correlate of the voicing contrast for oral stops. Other atypicalities in their productions were also classified. Results showed variable and mainly 'mixed' phonetic-phonological impairment profiles that differed from the traditional hypotheses made in the literature about the speech deficits to be expected as a function of type of aphasia. Our results support the use of acoustic analyses in order to complete language examination in aphasic patients but also suggest that the frontier between phonological and phonetic impairment is not clear-cut. These outcomes are better accounted for by theories and models postulating close relationships between the phonological and phonetic levels of processing.
Disciplines :
Languages & linguistics
Otolaryngology
Author, co-author :
Verhaegen, Clémence ;  Université de Mons > Faculté de Psychologie et des Sciences de l'Education > Métrologie et Sciences du langage
Delvaux, Véronique  ;  Université de Mons > Faculté de Psychologie et des Sciences de l'Education > Service de Métrologie et Sciences du langage
Fagniart, Sophie ;  Université de Mons > Faculté de Psychologie et des Sciences de l'Education > Service de Métrologie et Sciences du langage
Huet, Kathy  ;  Université de Mons > Faculté de Psychologie et des Sciences de l'Education > Service de Métrologie et Sciences du langage
Piccaluga, Myriam ;  Université de Mons > Faculté de Psychologie et des Sciences de l'Education > Service de Métrologie et Sciences du langage
Harmegnies, Bernard ;  Université de Mons > Faculté de Psychologie et des Sciences de l'Education > Service de Métrologie et Sciences du langage
Language :
English
Title :
Phonological and phonetic impairment in aphasic speech: an acoustic study of the voice onset time of six French-speaking aphasic patients
Publication date :
01 May 2019
Journal title :
Clinical Linguistics and Phonetics
ISSN :
0269-9206
Publisher :
Taylor & Francis, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
P362 - Métrologie et Sciences du langage
Research institute :
R350 - Institut de recherche en sciences et technologies du langage
R550 - Institut des Sciences et Technologies de la Santé
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