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Direct linkHaley, Katarina L.; Jacks, Adam; Jarrett, Jordan; Ray, Taylor; Cunningham, Kevin T.; Gorno-Tempini, Maria Luisa; Henry, Maya L. – Journal of Speech, Language, and Hearing Research, 2021
Purpose: Of the three currently recognized variants of primary progressive aphasia, behavioral differentiation between the nonfluent/agrammatic (nfvPPA) and logopenic (lvPPA) variants is particularly difficult. The challenge includes uncertainty regarding diagnosis of apraxia of speech, which is subsumed within criteria for variant classification.…
Descriptors: Speech Communication, Aphasia, Intonation, Suprasegmentals
Haley, Katarina L.; Jacks, Adam; Cunningham, Kevin T. – Journal of Speech, Language, and Hearing Research, 2013
Purpose: This study was conducted to evaluate the clinical utility of error variability for differentiating between apraxia of speech (AOS) and aphasia with phonemic paraphasia. Method: Participants were 32 individuals with aphasia after left cerebral injury. Diagnostic groups were formed on the basis of operationalized measures of recognized…
Descriptors: Neurological Impairments, Speech Impairments, Aphasia, Articulation (Speech)
Haley, Katarina L.; Jacks, Adam; de Riesthal, Michael; Abou-Khalil, Rima; Roth, Heidi L. – Journal of Speech, Language, and Hearing Research, 2012
Purpose: We explored the reliability and validity of 2 quantitative approaches to document presence and severity of speech properties associated with apraxia of speech (AOS). Method: A motor speech evaluation was administered to 39 individuals with aphasia. Audio-recordings of the evaluation were presented to 3 experienced clinicians to determine…
Descriptors: Neurological Impairments, Speech Impairments, Speech Evaluation, Evaluation Methods
