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Kinematic Investigation of Lingual Movement in Words of Increasing Length in Acquired Apraxia of Speech
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Bartle-Meyer, Carly J.; Goozee, Justine V.; Murdoch, Bruce E. – Clinical Linguistics & Phonetics, 2009
The current study aimed to use electromagnetic articulography (EMA) to investigate the effect of increasing word length on lingual kinematics in acquired apraxia of speech (AOS). Tongue-tip and tongue-back movement was recorded for five speakers with AOS and a concomitant aphasia (mean age = 53.6 years; SD = 12.60) during target consonant…
Descriptors: Control Groups, Phonemes, Speech Impairments, Phonology
An Electropalatographic Investigation of Linguopalatal Contact in Participants with Acquired Apraxia of Speech: A Quantitative and Qualitative Analysis
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Bartle-Meyer, Carly J.; Murdoch, Bruce E.; Goozee, Justine V. – Clinical Linguistics & Phonetics, 2009
The current study aimed to provide a comprehensive analysis of linguopalatal contact patterns in participants with acquired apraxia of speech (AOS). Tongue-to-palate contacts were recorded for three participants with AOS during consonant singletons and consonant clusters using the Reading Electropalatograph (EPG3) system. Amount and pattern of…
Descriptors: Control Groups, Speech Impairments, Human Body, Diagnostic Tests
An EMA Analysis of the Effect of Increasing Word Length on Consonant Production in Apraxia of Speech: A Case Study
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Bartle, Carly J.; Goozee, Justine V.; Murdoch, Bruce E. – Clinical Linguistics & Phonetics, 2007
The effect of increasing word length on the articulatory dynamics (i.e. duration, distance, maximum acceleration, maximum deceleration, and maximum velocity) of consonant production in acquired apraxia of speech was investigated using electromagnetic articulography (EMA). Tongue-tip and tongue-back movement of one apraxic patient was recorded…
Descriptors: Phonemes, Speech Impairments, Case Studies, Aphasia
Temporal Features of Articulation from Childhood to Adolescence: An Electropalatographic Investigation
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Cheng, Hei Yan; Murdoch, Bruce E.; Goozee, Justine V. – Clinical Linguistics & Phonetics, 2007
This study was designed to investigate the development of articulatory timing from mid-childhood to late adolescence. Productions of sentences containing /t/, /l/, /s/, and /k/ were produced by 48 children and adults (aged 6-38 years) and captured using the Reading Electropalatography3 (EPG3) system. Mean duration of the sentences and the…
Descriptors: Late Adolescents, Articulation (Speech), Sentences, Language Acquisition