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1
Differentiating profiles of speech impairments in Friedreich's ataxia: a perceptual and instrumental approach
In: International journal of language & communication disorders. - Oxford : Wiley-Blackwell 47 (2012) 1, 65-76
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2
Differentiating profiles of speech impairments in Friedreich's ataxia: A perceptual and instrumental approach
Abstract: The speech disorder associated with Friedreich's ataxia (FRDA) is classically described as ataxic dysarthria. However, variable neuropathology beyond the cerebellum, which may include the corticospinal and corticobulbar tracts, means that the dysarthria can be mixed rather than a pure ataxic dysarthria.To characterize physiological features of the dysarthria associated with FRDA and identify differential patterns of deviation that may occur across the subsystems of the speech-production mechanism in a series of seven case studies.The assessment battery included a perceptual analysis of a speech sample using an interval rating scale, and a range of instrumental measures to investigate the respiratory, laryngeal, velopharyngeal and articulatory systems.The results demonstrated the variability that exists in the dysarthria associated with FRDA, highlighting the existence of differential profiles of speech impairment. A particular distinction was observed between the presence of hypernasality and phonatory dysfunction, as evidenced by the instrumental results.The distinct profiles of dysarthria associated with FRDA indicate that approaches that address multiple subsystems are necessary for the accurate characterization and quantification of the motor speech disorder. Further research is required to investigate the decline in speech function as the disease progresses, as changes in speech function over time may be a good indicator of neurological decline in FRDA.
Keyword: 1203 Language and Linguistics; 3310 Linguistics and Language; 3616 Speech and Hearing; Dysarthria; Motor speech disorders; Neurodegenerative diseases
URL: https://espace.library.uq.edu.au/view/UQ:269651
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3
Measures of spectral change and their application to habitual, slow, and clear speaking modes
In: International journal of speech language pathology. - Abingdon : Informa Healthcare 13 (2011) 2, 165-173
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4
Spectral measures of the effects of Friedreich's ataxia on speech
In: International journal of speech language pathology. - Abingdon : Informa Healthcare 13 (2011) 4, 329-334
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5
Measures of spectral change and their application to habitual, slow, and clear speaking modes
Rosen, Kristin M.; Folker, Joanne E.; Murdoch, Bruce E.. - : Informa Healthcare, 2011
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6
Spectral measures of the effects of Friedreich's ataxia on speech
Rosen, Kristin M.; Folker, Joanne E.; Murdoch, Bruce E.. - : Informa Healthcare, 2011
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7
Examining the effects of multiple sclerosis on speech production: does phonetic structure matter?
In: Journal of communication disorders. - New York, NY : Elsevier 41 (2008) 1, 49-69
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8
Examining the effects of multiple sclerosis on speech production: Does phonetic structure matter?
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9
Parametric quantitative acoustic analysis of conversation produced by speakers with dysarthria and healthy speakers
In: Journal of speech, language, and hearing research. - Rockville, Md. : American Speech-Language-Hearing Association 49 (2006) 2, 395-411
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10
Parametric quantitative acoustic analysis of conversation produced by speakers with dysarthria and healthy speakers
In: Journal of speech and hearing research 49 (2006) 2, 395-411
IDS Bibliografie zur Gesprächsforschung
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11
Task-based profile of vocal intensity decline in Parkinson's disease
In: Folia phoniatrica et logopaedica. - Basel : Karger 57 (2005) 1, 28-37
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12
Analysis of speech segment duration with the lognormal distribution : a basis for unification and comparison
In: Journal of phonetics. - Amsterdam : Elsevier 33 (2005) 4, 411-426
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13
Lognormal distribution of pause length in ataxic dysarthria
In: Clinical linguistics & phonetics. - London : Informa Healthcare 17 (2003) 6, 469-486
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