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Croot, Karen; Ballard, Kirrie; Leyton, Cristian E.; Hodges, John R. – Journal of Speech, Language, and Hearing Research, 2012
Purpose: The International Consensus Criteria for the diagnosis of primary progressive aphasia (PPA; Gorno-Tempini et al., 2011) propose apraxia of speech (AOS) as 1 of 2 core features of nonfluent/agrammatic PPA and propose phonological errors or absence of motor speech disorder as features of logopenic PPA. We investigated the sensitivity and…
Descriptors: Neurological Impairments, Speech Impairments, Aphasia, Phonology
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Bak, Thomas H.; Hodges, John R. – Brain and Language, 2004
It might sound surprising that Motor Neurone Disease (MND), regarded still by many as the very example of a neurodegenerative disease affecting selectively the motor system and sparing the sensory functions as well as cognition, can have a significant influence on language. In this article we hope to demonstrate that language dysfunction is not…
Descriptors: Dementia, Verbs, Patients, Diseases