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Direct linkUtianski, Rene L.; Martin, Peter R.; Hanley, Holly; Duffy, Joseph R.; Botha, Hugo; Clark, Heather M.; Whitwell, Jennifer L.; Josephs, Keith A. – Journal of Speech, Language, and Hearing Research, 2021
Purpose: Individuals with primary progressive apraxia of speech (PPAOS) have apraxia of speech (AOS) in which disruptions in articulation or prosody predominate the speech pattern, referred to, respectively, as phonetic or prosodic subtypes. Many develop aphasia and/or dysarthria. Past research has demonstrated that simple temporal acoustic…
Descriptors: Speech Communication, Longitudinal Studies, Articulation (Speech), Intonation
Duffy, Joseph R.; Josephs, Keith A. – Journal of Speech, Language, and Hearing Research, 2012
Purpose: To discuss apraxia of speech (AOS) as it occurs in neurodegenerative disease (progressive AOS [PAOS]) and how its careful study may contribute to general concepts of AOS and help refine its diagnostic criteria. Method: The article summarizes our current understanding of the clinical features and neuroanatomical and pathologic correlates…
Descriptors: Neurological Impairments, Speech Impairments, Clinical Diagnosis, Etiology
