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Can episodic memory tasks differentiate semantic dementia from Alzheimer's Disease?

Scahill, V. L., Hodges, J. R. and Graham, Kim Samantha 2005. Can episodic memory tasks differentiate semantic dementia from Alzheimer's Disease? Neurocase 11 (6) , pp. 441-451. 10.1080/13554790500287734

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Abstract

The performance of two groups of patients with semantic dementia (SD), with predominant right (SDR) and left temporal lobe atrophy (SDL), was contrasted with that of cases with probable Alzheimer's disease (AD) on a range of standard episodic memory tasks. While the SDL group achieved a good score on a composite visual, but not a verbal, episodic memory measure, the AD and SDR groups were equivalently impaired at visual and verbal memory. The SD, but not the AD, groups were, by definition, impaired on simple tests of semantic memory. Standard verbal episodic memory tests, therefore, failed to discriminate patients with SD from those with probable AD and even visual memory tests may result in misclassification of SDR cases.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Systems Immunity Research Institute (SIURI)
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Publisher: Taylor & Francis
ISSN: 1355-4794
Last Modified: 04 Jun 2017 04:08
URI: http://orca.cardiff.ac.uk/id/eprint/33382

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