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Terband, Hayo; Namasivayam, Aravind; Maas, Edwin; van Brenk, Frits; Mailend, Marja-Liisa; Diepeveen, Sanne; van Lieshout, Pascal; Maassen, Ben – Journal of Speech, Language, and Hearing Research, 2019
Background: With respect to the clinical criteria for diagnosing "childhood apraxia of speech" (commonly defined as a disorder of speech motor planning and/or programming), research has made important progress in recent years. Three segmental and suprasegmental speech characteristics--error inconsistency, lengthened and disrupted…
Descriptors: Neurological Impairments, Speech Impairments, Measurement Techniques, Suprasegmentals
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Namasivayam, Aravind K.; Pukonen, Margit; Goshulak, Debra; Hard, Jennifer; Rudzicz, Frank; Rietveld, Toni; Maassen, Ben; Kroll, Robert; van Lieshout, Pascal – International Journal of Language & Communication Disorders, 2015
Background: Intensive treatment has been repeatedly recommended for the treatment of speech deficits in childhood apraxia of speech (CAS). However, differences in treatment outcomes as a function of treatment intensity have not been systematically studied in this population. Aim: To investigate the effects of treatment intensity on outcome…
Descriptors: Language Impairments, Neurological Impairments, Motor Development, Outcomes of Treatment
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Iuzzini-Seigel, Jenya – Journal of Speech, Language, and Hearing Research, 2019
Purpose: This study sought to determine if (a) children with childhood apraxia of speech (CAS), other speech sound disorders (SSDs), and typical development (TD) would perform differently on a standardized motor assessment and (b) whether comorbid language impairment would impact group differences. Method: Speech, language, and motor abilities…
Descriptors: Psychomotor Skills, Neurological Impairments, Speech Impairments, Language Impairments
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Zuk, Jennifer; Iuzzini-Seigel, Jenya; Cabbage, Kathryn; Green, Jordan R.; Hogan, Tiffany P. – Journal of Speech, Language, and Hearing Research, 2018
Purpose: Childhood apraxia of speech (CAS) is hypothesized to arise from deficits in speech motor planning and programming, but the influence of abnormal speech perception in CAS on these processes is debated. This study examined speech perception abilities among children with CAS with and without language impairment compared to those with…
Descriptors: Children, Speech Impairments, Language Impairments, Comparative Analysis
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Haley, 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
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Nijland, Lian; Terband, Hayo; Maassen, Ben – Journal of Speech, Language, and Hearing Research, 2015
Purpose: Childhood apraxia of speech (CAS) is diagnosed on the basis of specific speech characteristics, in the absence of problems in hearing, intelligence, and language comprehension. This does not preclude the possibility that children with this speech disorder might demonstrate additional problems. Method: Cognitive functions were investigated…
Descriptors: Neurological Impairments, Speech Impairments, Children, Cognitive Processes
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Molloy, Jessica; Jagoe, Caroline – International Journal of Language & Communication Disorders, 2019
Background: There is a growing body of evidence that speech and language therapy (SLT) intervention is effective in improving communication ability for individuals with non-progressive acquired apraxia of speech (AOS). However, there is no universally agreed diagnostic standard for AOS, and diverging opinions on its diagnostic features. This has…
Descriptors: Neurological Impairments, Speech Impairments, Adventitious Impairments, Clinical Diagnosis
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Basilakos, Alexandra; Yourganov, Grigori; den Ouden, Dirk-Bart; Fogerty, Daniel; Rorden, Chris; Feenaughty, Lynda; Fridriksson, Julius – Journal of Speech, Language, and Hearing Research, 2017
Purpose: Apraxia of speech (AOS) is a consequence of stroke that frequently co-occurs with aphasia. Its study is limited by difficulties with its perceptual evaluation and dissociation from co-occurring impairments. This study examined the classification accuracy of several acoustic measures for the differential diagnosis of AOS in a sample of…
Descriptors: Multivariate Analysis, Speech Impairments, Clinical Diagnosis, Aphasia
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Overby, Megan S.; Caspari, Susan S.; Schreiber, James – Journal of Speech, Language, and Hearing Research, 2019
Purpose: Studies of infants' early vocalizations have proven helpful in describing the developmental characteristics of various communication disorders. However, few studies have addressed the early vocalizations of infants and toddlers who were later diagnosed, as older children, with childhood apraxia of speech (CAS). We refer to these infants…
Descriptors: Infants, Toddlers, Children, Speech Impairments
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Grigos, Maria I.; Moss, Aviva; Lu, Ying – Journal of Speech, Language, and Hearing Research, 2015
Purpose: The purpose of this research was to examine spatial and temporal aspects of articulatory control in children with childhood apraxia of speech (CAS), children with speech delay characterized by an articulation/phonological impairment (SD), and controls with typical development (TD) during speech tasks that increased in word length. Method:…
Descriptors: Articulation (Speech), Speech Communication, Speech Impairments, Phonology
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Murray, Elizabeth; McCabe, Patricia; Heard, Robert; Ballard, Kirrie J. – Journal of Speech, Language, and Hearing Research, 2015
Purpose: The gold standard for diagnosing childhood apraxia of speech (CAS) is expert judgment of perceptual features. The aim of this study was to identify a set of objective measures that differentiate CAS from other speech disorders. Method: Seventy-two children (4-12 years of age) diagnosed with suspected CAS by community speech-language…
Descriptors: Speech Impairments, Children, Preadolescents, Clinical Diagnosis
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Bailey, Dallin J.; Bunker, Lisa; Mauszycki, Shannon; Wambaugh, Julie L. – International Journal of Language & Communication Disorders, 2019
Background: Acquired apraxia of speech (AOS) involves speech-production deficits on both the segmental and suprasegmental levels. Recent research has identified a non-linear interaction between the metrical structure of bisyllabic words and word-production accuracy in German speakers with AOS, with trochaic words (strong-weak stress) being…
Descriptors: Accuracy, Suprasegmentals, Phonology, German
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Lim, Jacqueline; McCabe, Patricia; Purcell, Alison – Child Language Teaching and Therapy, 2019
This study explored the feasibility of training school teaching assistants to provide the treatment, Dynamic Temporal and Tactile Cueing to treat childhood apraxia of speech (CAS, also known as developmental verbal dyspraxia). The study used a single case experimental design across behaviours and a qualitative evaluation of teaching assistant…
Descriptors: Tactual Perception, Cues, Teaching Methods, Case Studies
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Case, Julie; Grigos, Maria I. – Journal of Speech, Language, and Hearing Research, 2016
Purpose: Articulatory control and speech production accuracy were examined in children with childhood apraxia of speech (CAS) and typically developing (TD) controls within a novel word-learning task to better understand the influence of planning and programming deficits in the production of unfamiliar words. Method: Participants included 16…
Descriptors: Articulation (Speech), Speech Communication, Speech Impairments, Phonology
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Iuzzini-Seigel, Jenya; Hogan, Tiffany P.; Green, Jordan R. – Journal of Speech, Language, and Hearing Research, 2017
Purpose: The current research sought to determine (a) if speech inconsistency is a core feature of childhood apraxia of speech (CAS) or if it is driven by comorbid language impairment that affects a large subset of children with CAS and (b) if speech inconsistency is a sensitive and specific diagnostic marker that can differentiate between CAS and…
Descriptors: Children, Neurological Impairments, Speech Impairments, Language Impairments
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