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Utility of intraindividual reaction time variability to predict white matter hyperintensities: a potential assessment tool for clinical contexts?

Bunce, David; Bielak, Allison; Cherbuin, Nicolas; Batterham, Philip J.; Wen, Wei; Sachdev, Perminder Singh; Anstey, Kaarin

Description

Intraindividual variability (IIV) refers to reaction time (RT) variation across the trials of a given cognitive task. Little research has contrasted different measures of IIV or assessed how many RT trials are required to provide a robust measure of the construct. We, therefore, investigated three measures of IIV (raw SD, coefficient of variation, and intraindividual SD statistically removing time-on-task effects) in relation to frontal white matter hyperintensities (obtained through structural...[Show more]

CollectionsANU Research Publications
Date published: 2013-08-08
Type: Journal article
URI: http://hdl.handle.net/1885/10880
Source: Journal of the International Neuropsychological Society 19.9 (2013): 971-976
DOI: 10.1017/S1355617713000830

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