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Nyhus, Erika; Barcelo, Francisco – Brain and Cognition, 2009
For over four decades the Wisconsin Card Sorting Test (WCST) has been one of the most distinctive tests of prefrontal function. Clinical research and recent brain imaging have brought into question the validity and specificity of this test as a marker of frontal dysfunction. Clinical studies with neurological patients have confirmed that, in its…
Descriptors: Research Design, Construct Validity, Validity, Neurology