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Is attention necessary for object identification? Evidence from eye movements during the inspection of real-world scenes

Underwood, G and Templeman, E and Lamming, L and Foulsham, T (2008) 'Is attention necessary for object identification? Evidence from eye movements during the inspection of real-world scenes.' Consciousness and Cognition, 17 (1). 159 - 170. ISSN 1053-8100

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Abstract

Eye movements were recorded during the display of two images of a real-world scene that were inspected to determine whether they were the same or not (a comparative visual search task). In the displays where the pictures were different, one object had been changed, and this object was sometimes taken from another scene and was incongruent with the gist. The experiment established that incongruous objects attract eye fixations earlier than the congruous counterparts, but that this effect is not apparent until the picture has been displayed for several seconds. By controlling the visual saliency of the objects the experiment eliminates the possibility that the incongruency effect is dependent upon the conspicuity of the changed objects. A model of scene perception is suggested whereby attention is unnecessary for the partial recognition of an object that delivers sufficient information about its visual characteristics for the viewer to know that the object is improbable in that particular scene, and in which full identification requires foveal inspection. © 2006 Elsevier Inc. All rights reserved.

Item Type: Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Faculty of Science and Health > Psychology, Department of
Depositing User: Users 161 not found.
Date Deposited: 02 Feb 2015 10:32
Last Modified: 05 Feb 2019 15:15
URI: http://repository.essex.ac.uk/id/eprint/12470

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