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Assessing the Size of the Functional Field of View in a Gaze-Contingent Search Paradigm

Sofia Krasovskaya Orcid Logo, Árni Kristjánsson Orcid Logo, Joe MacInnes Orcid Logo

Proceedings of the ACM on Human-Computer Interaction, Volume: 8, Issue: ETRA, Pages: 1 - 17

Swansea University Author: Joe MacInnes Orcid Logo

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DOI (Published version): 10.1145/3655597

Abstract

The functional field of view (FFV) is the part of the visual field centred around the current gaze position that the visual system can process in detail. Its size depends partly on physiological limitations, but its adaptability is largely determined by cognitive factors. For example, changes in the...

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Published in: Proceedings of the ACM on Human-Computer Interaction
ISSN: 2573-0142
Published: Association for Computing Machinery (ACM) 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa71050
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last_indexed 2026-01-17T05:33:15Z
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spelling 2026-01-16T16:59:50.1883344 v2 71050 2025-12-02 Assessing the Size of the Functional Field of View in a Gaze-Contingent Search Paradigm 06dcb003ec50192bafde2c77bef4fd5c 0000-0002-5134-1601 Joe MacInnes Joe MacInnes true false 2025-12-02 MACS The functional field of view (FFV) is the part of the visual field centred around the current gaze position that the visual system can process in detail. Its size depends partly on physiological limitations, but its adaptability is largely determined by cognitive factors. For example, changes in the FFV often reflect the demands of a given task: it shrinks with high task demands and expands with easier tasks. Here, we placed an upright or inverted target among distractors. We manipulated the visibility of the search array during gaze-contingent search with small (6°), medium (12°) and large (18°) apertures. Aperture size affected performance, improving it when it increased from 6° to 12°, but not from 12° to 18°, suggesting an upper bound of the 'natural' aperture for this specific task. Furthermore, our results suggest that the FFV does not change in size in response to stimulus inversion. Journal Article Proceedings of the ACM on Human-Computer Interaction 8 ETRA 1 17 Association for Computing Machinery (ACM) 2573-0142 Functional field of view, Visual search, Visual attention, Gazecontingent setup 28 5 2024 2024-05-28 10.1145/3655597 COLLEGE NANME Mathematics and Computer Science School COLLEGE CODE MACS Swansea University Other Funding for this research was provided by the Icelandic Research Fund and the Research Fund of the University of Iceland (to AK). 2026-01-16T16:59:50.1883344 2025-12-02T12:53:24.7070270 Faculty of Science and Engineering School of Mathematics and Computer Science - Computer Science Sofia Krasovskaya 0000-0002-9120-7407 1 Árni Kristjánsson 0000-0003-4168-4886 2 Joe MacInnes 0000-0002-5134-1601 3 71050__35727__da7a73ab9faf4697a07c5c65993e0901.pdf Krasovskaya ETRA.pdf 2025-12-02T12:58:31.0950149 Output 773038 application/pdf Version of Record true © 2024 Copyright is held by the owner/author(s). This work is licensed under a Creative Commons Attribution International 4.0 License. true eng https://creativecommons.org/licenses/by/4.0/
title Assessing the Size of the Functional Field of View in a Gaze-Contingent Search Paradigm
spellingShingle Assessing the Size of the Functional Field of View in a Gaze-Contingent Search Paradigm
Joe MacInnes
title_short Assessing the Size of the Functional Field of View in a Gaze-Contingent Search Paradigm
title_full Assessing the Size of the Functional Field of View in a Gaze-Contingent Search Paradigm
title_fullStr Assessing the Size of the Functional Field of View in a Gaze-Contingent Search Paradigm
title_full_unstemmed Assessing the Size of the Functional Field of View in a Gaze-Contingent Search Paradigm
title_sort Assessing the Size of the Functional Field of View in a Gaze-Contingent Search Paradigm
author_id_str_mv 06dcb003ec50192bafde2c77bef4fd5c
author_id_fullname_str_mv 06dcb003ec50192bafde2c77bef4fd5c_***_Joe MacInnes
author Joe MacInnes
author2 Sofia Krasovskaya
Árni Kristjánsson
Joe MacInnes
format Journal article
container_title Proceedings of the ACM on Human-Computer Interaction
container_volume 8
container_issue ETRA
container_start_page 1
publishDate 2024
institution Swansea University
issn 2573-0142
doi_str_mv 10.1145/3655597
publisher Association for Computing Machinery (ACM)
college_str Faculty of Science and Engineering
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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
document_store_str 1
active_str 0
description The functional field of view (FFV) is the part of the visual field centred around the current gaze position that the visual system can process in detail. Its size depends partly on physiological limitations, but its adaptability is largely determined by cognitive factors. For example, changes in the FFV often reflect the demands of a given task: it shrinks with high task demands and expands with easier tasks. Here, we placed an upright or inverted target among distractors. We manipulated the visibility of the search array during gaze-contingent search with small (6°), medium (12°) and large (18°) apertures. Aperture size affected performance, improving it when it increased from 6° to 12°, but not from 12° to 18°, suggesting an upper bound of the 'natural' aperture for this specific task. Furthermore, our results suggest that the FFV does not change in size in response to stimulus inversion.
published_date 2024-05-28T05:34:26Z
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score 11.096068

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