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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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Disturbances of visual attention

Disturbances of visual attention

Chapter:
(p.265) 10 Disturbances of visual attention
Source:
Principles of Visual Attention:
Author(s):

Claus Bundesen

Thomas Habekost

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780198570707.003.0010

A powerful way to understand how a system works is to observe what happens if one of its parts is damaged. This is the simple idea underlying research on brain disturbances, one of the main areas of cognitive neuroscience. This chapter begins by explaining the basic methodology of this field, the lesion method (Section 10.1). Visual attention can be disturbed in many ways after damage to different parts of the brain. As described in Section 10.2, these functional deficits can be classified broadly as lateralized (i.e., confined to one side of the visual field) or non-lateralized (i.e., general). In recent years the classic study of naturally occurring brain damage has been supplemented by transcranial magnetic stimulation (TMS), in which normal brain activity is temporarily disturbed following magnetic stimulation (Section 10.3). Although still a fairly new method, TMS has clear methodological advantages that promise much for future research.

Keywords:   attentional disorders, lesion method, brain damage, functional deficits, TMS

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