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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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Fergadiotis, Gerasimos; Wright, Heather H.; West, Thomas M. – American Journal of Speech-Language Pathology, 2013
Purpose: A microlinguistic content analysis for assessing lexical semantics in people with aphasia (PWA) is lexical diversity (LD). Sophisticated techniques have been developed to measure LD. However, validity evidence for these methodologies when applied to the discourse of PWA is lacking. The purpose of this study was to evaluate four measures…
Descriptors: Aphasia, Language Processing, Semantics, Content Analysis