Making sense of progressive non-fluent aphasia: an analysis of conversational speech
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چکیده
منابع مشابه
Making sense of progressive non-fluent aphasia: an analysis of conversational speech.
The speech of patients with progressive non-fluent aphasia (PNFA) has often been described clinically, but these descriptions lack support from quantitative data. The clinical classification of the progressive aphasic syndromes is also debated. This study selected 15 patients with progressive aphasia on broad criteria, excluding only those with clear semantic dementia. It aimed to provide a det...
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The nature and frequency of speech production errors in neurodegenerative disease have not previously been precisely quantified. In the present study, 16 patients with a progressive form of non-fluent aphasia (PNFA) were asked to tell a story from a wordless children's picture book. Errors in production were classified as either phonemic, involving language-based deformations that nevertheless ...
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This paper presents an acoustic investigation of vowel production in reading, naming and repetition tasks by LM, a man with progressive non-fluent aphasia. Plots in the F1/F2 plane showing the centroids of the acoustic targets of [i: E A V O u: ] and the formant trajectories of [ai ei ou] demonstrate that LM achieved greater differentiation of targets in reading than in naming or repetition, an...
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The non-fluent/agrammatic variant of primary progressive aphasia (naPPA) is a young-onset neurodegenerative disorder characterised by poor grammatical comprehension and expression and a disorder of speech sound production. In an era of disease-modifying treatments, the identification of naPPA might be an important step in establishing a specific cause of neurodegenerative disease. However, diff...
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ژورنال
عنوان ژورنال: Brain
سال: 2009
ISSN: 0006-8950,1460-2156
DOI: 10.1093/brain/awp207