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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: 03 August 2021

A neural theory of visual attention (NTVA)

A neural theory of visual attention (NTVA)

(p.157) 7 A neural theory of visual attention (NTVA)
Principles of Visual Attention:

Claus Bundesen

Thomas Habekost

Oxford University Press

This chapter presents a theory that applies the computational principles of TVA to attentional effects at the single-cell level: a neural theory of visual attention (NTVA). The basic idea of NTVA is that the two selection mechanisms of TVA – pigeonholing and filtering – are directly reflected in the activity of individual neurons: pigeonholing changes the activity level of individual neurons that signal particular categorizations, whereas filtering changes the number of neurons that respond to particular objects. In combination these two mechanisms control the total activity level in each population of neurons that signals a particular categorization of an object. In competition with other cell populations in the visual system, which support other categorizations, each population's level of activity determines whether the categorization it supports will enter visual short-term memory (VSTM).

Keywords:   visual short-term memory, neural networks, visual processing, attentional effects, single cell, pigeonholing, filtering

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