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A domain-specific deficit for foodstuffs in patients with Alzheimer's disease

Published online by Cambridge University Press:  13 November 2002

KEITH R. LAWS ,
VERITY C. LEESON  and
TIM M. GALE
KEITH R. LAWS
Affiliation:
Department of Psychology, London Guildhall University, UK
VERITY C. LEESON
Affiliation:
Department of Psychology, London Guildhall University, UK
TIM M. GALE
Affiliation:
Departments of Computer Science and Psychology, University of Hertfordshire, UK Queen Elizabeth Hospital, Welwyn Garden City, UK
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Extract

Although some studies have reported a category specific naming deficit in Alzheimer's patients (invariably for living things), others have failed to replicate this finding (Laws et al., in press). Inconsistencies may partly stem from the fact that category effects are hidden in group analyses because individual Alzheimer's patients show category deficits in opposing directions, namely, some living and some nonliving (Gonnerman et al., 1997). Additionally, category effects may depend upon the specific composition of living things, such as the ratio of animals to fruits and vegetables, though this has never been explicitly examined. To examine this, we conducted a more detailed fractionation of living and nonliving categories for individual patients.

Type
RESEARCH LETTER
Information
Journal of the International Neuropsychological Society , Volume 8 , Issue 7 , November 2002 , pp. 956 - 957
Copyright
© 2002 The International Neuropsychological Society

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