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Goldsmiths - University of London

Is There a Specific Executive Capacity for Dual Task Coordination? Evidence From Alzheimer's Disease

Cocchini, Gianna; Logie, Robert; Della Sala, Sergio and Baddeley, Alan D.. 2004. Is There a Specific Executive Capacity for Dual Task Coordination? Evidence From Alzheimer's Disease. Neuropsychology, 18(3), pp. 504-513. ISSN 08944105 [Article]

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Abstract or Description

Three experiments compared groups of Alzheimer’s disease (AD) patients and healthy older and younger
participants on visuospatial tracking and digit sequence recall, as single tasks and performed concurrently. In Experiment 1, tasks were performed concurrently with very low demand relative to span. Only the AD patients showed a dual task deficit. In Experiment 2, single task demand was manipulated on each task from below span to above span for each individual. All groups showed the same performance reductions with increasing demand. In Experiment 3, demand on 1 task was constant, whereas demand on the concurrent task was varied. AD patients showed a clear dual task deficit but were no more sensitive than control groups to varying demand. Results suggest an identifiable cognitive resource for dual task
coordination within a multiple component working memory system.

Item Type: Article

Identification Number (DOI):

https://doi.org/10.1037/0894-4105.18.3.504

Departments, Centres and Research Units:

Psychology

Dates:

DateEvent
1 July 2004Published

Item ID:

407

Date Deposited:

10 Dec 2008 10:36

Last Modified:

30 Jun 2017 14:13

Peer Reviewed:

Yes, this version has been peer-reviewed.

URI: http://research.gold.ac.uk/id/eprint/407
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