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Lexical stress contrast marking in fluent and non-fluent aphasia in Spanish : the relationship between acoustic cues and compensatory strategies
Baqué Millet, Lorraine

Fecha: 2017
Resumen: This study sought to investigate stress production in Spanish by patients with Broca's (BA) and conduction aphasia (CA) as compared to controls. Our objectives were to assess whether: a) there were many abnormal acoustic correlates of stress as produced by patients, b) these abnormalities had a phonetic component and c) ability for articulatory compensation for stress marking was preserved. The results showed abnormal acoustic values in both BA and CA's productions, affecting not only duration but also F0 and intensity cues, and an interaction effect of stress pattern and duration on intensity cubes in BA, but not in CA or controls. The results are interpreted as deriving from two different underlying phenomena: in BA, a compensatory use of intensity as a stress cue in order to avoid 'equal stress'; in CA, related to either a 'subtle phonetic deficit' involving abnormal stress acoustic cue-processing or to 'clear-speech' effects.
Derechos: Tots els drets reservats.
Lengua: Anglès.
Documento: article ; recerca ; publishedVersion
Materia: Acoustics ; Aphasia ; Apraxia of speech ; Compensation ; Lexical stress
Publicado en: Clinical linguistics & phonetics, Vol. 31, Núm. 7-9 (2017) , p. 642-664, ISSN 0269-9206

DOI: 10.1080/02699206.2017.1305449

43 p, 1.0 MB

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