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A prosodic subtype of primary progressive apraxia of speech:Speech assessment using the Apraxia of Speech Rating Scale-3 (ASRS-3) Nanayo Ogawa 1,2 , Shoko Ota 1 , Yasuhiro Hasegawa 3 , Hisako Yakuwa 1,4 , Shigenori Kanno 1 , Kyoko Suzuki 1 1Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine 2Department of Rehabilitation, Kasugai Municipal Hospital 3Department of Neurology, Kasugai Municipal Hospital 4Department of Rehabilitation, Faculty of Medical Science and Welfare, Tohoku Bunka Gakuen University Keyword: 原発性進行性発語失行 , 原発性進行性失語 , 非流暢/失文法型 , プロソディー , 発語失行 , primary progressive apraxia of speech , PPAOS , primary progressive aphasia , PPA , nonfluent/agrammatic PPA , prosody , apraxia of speech , AOS pp.348-355
Published Date 2022/12/15
DOI https://doi.org/10.11477/mf.6001200399
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 Primary progressive apraxia of speech (PPAOS) refers to a clinical syndrome dominated by apraxia of speech (AOS), which is associated with neurodegenerative diseases. There are two distinct subtypes of PPAOS:phonetic PPAOS, characterized by distorted sound substitutions, and prosodic PPAOS, characterized by slow, segmented speech. Here we present a patient with prosodic PPAOS whose speech was assessed by the Apraxia of Speech Rating Scale-3 (ASRS-3).

 A 79-year-old right-handed woman was admitted to our hospital with a 4-year history of progressive speech disturbance. On admission, she showed only AOS without dysarthria or aphasia. Neurological examinations revealed no abnormalities. She scored 27/30 on MMSE and her memory and visuospatial functions were preserved. Buccofacial, limb-kinetic, ideomotor and ideational apraxia were not observed. MRI showed slight cerebral atrophy mainly in the left frontal lobe. Her speech was analyzed using the ASRS-3, which provided a quantitative description of the phonetic and prosodic features of AOS separately. Through the ASRS-3 analysis, the score of prosodic features was greater than that of phonological features. The results revealed that her speech had mainly prosodic features of AOS. Assessment of qualitative features of AOS would be beneficial to predict the neurogenerative diseases that are associated with PPAOS.


Copyright © 2022, Japanese Association of Speech-Language-Hearing Therapists. All rights reserved.

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電子版ISSN 印刷版ISSN 1349-5828 日本言語聴覚士協会

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