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Duffy, Joseph R.; Peach, Richard K.; Strand, Edythe A. – American Journal of Speech-Language Pathology, 2007
Purpose: To document and describe in detail the occurrence of apraxia of speech (AOS) in a group of individuals with a diagnosis of motor neuron disease (MND). Method: Seven individuals with MND and AOS were identified from among 80 patients with a variety of neurodegenerative diseases and AOS (J. R. Duffy, 2006). The history, presenting…
Descriptors: Speech Impairments, Neurological Impairments, Psychomotor Skills, Physical Disabilities
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Wang, Yu-Tsai; Kent, Ray D.; Duffy, Joseph R.; Thomas, Jack E.; Weismer, Gary – Clinical Linguistics and Phonetics, 2004
The task of syllable alternating motion rate (AMR) (also called diadochokinesis) is suitable for examining speech disorders of varying degrees of severity and in individuals with varying levels of linguistic and cognitive ability. However, very limited information on this task has been published for subjects with traumatic brain injury (TBI). This…
Descriptors: Cognitive Ability, Phonetics, Syllables, Speech Impairments