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Adults2
Aphasia2
Speech Impairments2
Vowels2
Acoustics1
Articulation (Speech)1
Comparative Analysis1
Feedback (Response)1
North American English1
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Journal of Speech, Language,…2
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Jacks, Adam2
Marquardt, Thomas P.1
Mathes, Katey A.1
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Reports - Research2
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Vowel Acoustics in Adults with Apraxia of Speech
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Jacks, Adam; Mathes, Katey A.; Marquardt, Thomas P. – Journal of Speech, Language, and Hearing Research, 2010
Purpose: To investigate the hypothesis that vowel production is more variable in adults with acquired apraxia of speech (AOS) relative to healthy individuals with unimpaired speech. Vowel formant frequency measures were selected as the specific target of focus. Method: Seven adults with AOS and aphasia produced 15 repetitions of 6 American English…
Descriptors: Vowels, Speech Impairments, Acoustics, North American English
Bite Block Vowel Production in Apraxia of Speech
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Jacks, Adam – Journal of Speech, Language, and Hearing Research, 2008
Purpose: This study explored vowel production and adaptation to articulatory constraints in adults with acquired apraxia of speech (AOS) plus aphasia. Method: Five adults with acquired AOS plus aphasia and 5 healthy control participants produced the vowels [iota], [epsilon], and [ash] in four word-length conditions in unconstrained and bite block…
Descriptors: Vowels, Speech Impairments, Aphasia, Adults