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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

Chapter:
(p.281) 11 TVA-based assessment
Source:
Principles of Visual Attention:
Author(s):

Claus Bundesen

Thomas Habekost

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780198570707.003.0011

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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