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Direct linkHodgson, Catherine; Lambon Ralph, Matthew A. – Brain and Language, 2008
Semantic errors are commonly found in semantic dementia (SD) and some forms of stroke aphasia and provide insights into semantic processing and speech production. Low error rates are found in standard picture naming tasks in normal controls. In order to increase error rates and thus provide an experimental model of aphasic performance, this study…
Descriptors: Speech Impairments, Neurological Impairments, Error Patterns, Visual Stimuli
Aichert, Ingrid; Ziegler, Wolfram – Brain and Language, 2004
Recent accounts of the pathomechanism underlying apraxia of speech (AOS) were based on the speech production model of Levelt, Roelofs, and Meyer, and Meyer (1999)1999. The apraxic impairment was localized to the phonetic encoding level where the model postulates a mental store of motor programs for high-frequency syllables. Varley and Whiteside…
Descriptors: Patients, Syllables, Articulation (Speech), Speech Impairments
