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Janssen, Nikki; Roelofs, Ardi; van den Berg, Esther; Eikelboom, Willem S.; Holleman, Meike A.; in de Braek, Dymphie M. J. M.; Piguet, Olivier; Piai, Vitória; Kesselsa, Roy P. C. – Journal of Speech, Language, and Hearing Research, 2022
Purpose: The three variants of primary progressive aphasia (PPA) differ in clinical presentation, underlying brain pathology, and clinical course, which stresses the need for early differentiation. However, brief cognitive tests that validly distinguish between all PPA variants are lacking. The Sydney Language Battery (SYDBAT) is a promising…
Descriptors: Screening Tests, Aphasia, Cognitive Tests, Test Validity
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Marczinski, Cecile A.; Kertesz, Andrew – Brain and Language, 2006
This study examined the impact of various degenerative dementias on access to semantic knowledge and the status of semantic representations. Patients with semantic dementia, primary progressive aphasia, and Alzheimer's disease were compared with elderly controls on tasks of category and letter fluency, with number of words generated, mean lexical…
Descriptors: Language Fluency, Semantics, Alzheimers Disease, Aphasia