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Principles of Visual Attention:Linking Mind and Brain$
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Claus Bundesen and Thomas Habekost

Print publication date: 2008

Print ISBN-13: 9780198570707

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780198570707.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 25 July 2021

TVA-based assessment

TVA-based assessment

(p.281) 11 TVA-based assessment
Principles of Visual Attention:

Claus Bundesen

Thomas Habekost

Oxford University Press

Inspired by its success in cognitive psychology, the theory of visual attention (TVA) has also been applied to the study of visual attention deficits after brain damage. TVA-based patient assessment depends on a specific combination of experimental testing and data analysis which was pioneered by John Duncan and Claus Bundesen in the late 1990s. TVA-based assessment holds many advantages compared to conventional clinical tests on visual attention. This chapter illustrates the four most important of these advantages in a review of the studies currently published using the method. First, performance is analysed into separable functional components: specificity. Second, the method can reveal deficits that are not evident in standard clinical examination: sensitivity. Third, the measurement error related to each test result can be quantified directly and in most cases shown to be minor: reliability. Fourth, the functional components measured are not specific to the tasks used, but grounded in a general theory of visual attention: validity.

Keywords:   visual attention, attention deficits, patient assessment

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