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Direct linkHaley, Katarina L.; Cunningham, Kevin T.; Eaton, Catherine Torrington; Jacks, Adam – Journal of Speech, Language, and Hearing Research, 2018
Purpose: Diagnostic recommendations for acquired apraxia of speech (AOS) have been contradictory concerning whether speech sound errors are consistent or variable. Studies have reported divergent findings that, on face value, could argue either for or against error consistency as a diagnostic criterion. The purpose of this study was to explain…
Descriptors: Neurological Impairments, Speech Impairments, Aphasia, Clinical Diagnosis
Haley, 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)
