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No Advantage for Separating Overt and Covert Attention in Visual Search

Joe MacInnes Orcid Logo, Ómar I. Jóhannesson, Andrey Chetverikov, Árni Kristjánsson Orcid Logo

Vision, Volume: 4, Issue: 2, Start page: 28

Swansea University Author: Joe MacInnes Orcid Logo

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DOI (Published version): 10.3390/vision4020028

Abstract

We move our eyes roughly three times every second while searching complex scenes, but covert attention helps to guide where we allocate those overt fixations. Covert attention may be allocated reflexively or voluntarily, and speeds the rate of information processing at the attended location. Reducin...

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Published in: Vision
ISSN: 2411-5150
Published: MDPI AG 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa63403
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spelling v2 63403 2023-05-11 No Advantage for Separating Overt and Covert Attention in Visual Search 06dcb003ec50192bafde2c77bef4fd5c 0000-0002-5134-1601 Joe MacInnes Joe MacInnes true false 2023-05-11 SCS We move our eyes roughly three times every second while searching complex scenes, but covert attention helps to guide where we allocate those overt fixations. Covert attention may be allocated reflexively or voluntarily, and speeds the rate of information processing at the attended location. Reducing access to covert attention hinders performance, but it is not known to what degree the locus of covert attention is tied to the current gaze position. We compared visual search performance in a traditional gaze-contingent display, with a second task where a similarly sized contingent window is controlled with a mouse, allowing a covert aperture to be controlled independently by overt gaze. Larger apertures improved performance for both the mouse- and gaze-contingent trials, suggesting that covert attention was beneficial regardless of control type. We also found evidence that participants used the mouse-controlled aperture somewhat independently of gaze position, suggesting that participants attempted to untether their covert and overt attention when possible. This untethering manipulation, however, resulted in an overall cost to search performance, a result at odds with previous results in a change blindness paradigm. Untethering covert and overt attention may therefore have costs or benefits depending on the task demands in each case. Journal Article Vision 4 2 28 MDPI AG 2411-5150 1 6 2020 2020-06-01 10.3390/vision4020028 http://dx.doi.org/10.3390/vision4020028 COLLEGE NANME Computer Science COLLEGE CODE SCS Swansea University This study was funded, in part, by an National Research University Higher School of Economics Lab grant for the Vision Modelling Lab (author MacInnes); grants #152427 and IRF #173947-052 from the Icelandic Research Fund; and the research fund of the University of Iceland (Author Kristjánsson). 2023-06-08T15:13:17.0413249 2023-05-11T11:28:42.9348015 Faculty of Science and Engineering School of Mathematics and Computer Science - Computer Science Joe MacInnes 0000-0002-5134-1601 1 Ómar I. Jóhannesson 2 Andrey Chetverikov 3 Árni Kristjánsson 0000-0003-4168-4886 4 63403__27646__4d8d53b9d5274f78a88402fbc8b554e8.pdf 63403.pdf 2023-05-31T09:53:52.2982870 Output 2021575 application/pdf Version of Record true © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). true eng http://creativecommons.org/licenses/by/4.0/
title No Advantage for Separating Overt and Covert Attention in Visual Search
spellingShingle No Advantage for Separating Overt and Covert Attention in Visual Search
Joe MacInnes
title_short No Advantage for Separating Overt and Covert Attention in Visual Search
title_full No Advantage for Separating Overt and Covert Attention in Visual Search
title_fullStr No Advantage for Separating Overt and Covert Attention in Visual Search
title_full_unstemmed No Advantage for Separating Overt and Covert Attention in Visual Search
title_sort No Advantage for Separating Overt and Covert Attention in Visual Search
author_id_str_mv 06dcb003ec50192bafde2c77bef4fd5c
author_id_fullname_str_mv 06dcb003ec50192bafde2c77bef4fd5c_***_Joe MacInnes
author Joe MacInnes
author2 Joe MacInnes
Ómar I. Jóhannesson
Andrey Chetverikov
Árni Kristjánsson
format Journal article
container_title Vision
container_volume 4
container_issue 2
container_start_page 28
publishDate 2020
institution Swansea University
issn 2411-5150
doi_str_mv 10.3390/vision4020028
publisher MDPI AG
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Mathematics and Computer Science - Computer Science{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Mathematics and Computer Science - Computer Science
url http://dx.doi.org/10.3390/vision4020028
document_store_str 1
active_str 0
description We move our eyes roughly three times every second while searching complex scenes, but covert attention helps to guide where we allocate those overt fixations. Covert attention may be allocated reflexively or voluntarily, and speeds the rate of information processing at the attended location. Reducing access to covert attention hinders performance, but it is not known to what degree the locus of covert attention is tied to the current gaze position. We compared visual search performance in a traditional gaze-contingent display, with a second task where a similarly sized contingent window is controlled with a mouse, allowing a covert aperture to be controlled independently by overt gaze. Larger apertures improved performance for both the mouse- and gaze-contingent trials, suggesting that covert attention was beneficial regardless of control type. We also found evidence that participants used the mouse-controlled aperture somewhat independently of gaze position, suggesting that participants attempted to untether their covert and overt attention when possible. This untethering manipulation, however, resulted in an overall cost to search performance, a result at odds with previous results in a change blindness paradigm. Untethering covert and overt attention may therefore have costs or benefits depending on the task demands in each case.
published_date 2020-06-01T15:13:15Z
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score 11.037319

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