Evaluation of an eye tracking setup for studying visual attention in face-to-face conversations

Abstract Many eye tracking studies use facial stimuli presented on a display to investigate attentional processing of social stimuli. To introduce a more realistic approach that allows interaction between two real people, we evaluated a new eye tracking setup in three independent studies in terms of...

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Autores principales:	Antonia Vehlen, Ines Spenthof, Daniel Tönsing, Markus Heinrichs, Gregor Domes
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/21aee6ab7d694ac99daf21826d70d0ce
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spelling	oai:doaj.org-article:21aee6ab7d694ac99daf21826d70d0ce2021-12-02T13:24:07ZEvaluation of an eye tracking setup for studying visual attention in face-to-face conversations10.1038/s41598-021-81987-x2045-2322https://doaj.org/article/21aee6ab7d694ac99daf21826d70d0ce2021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-81987-xhttps://doaj.org/toc/2045-2322Abstract Many eye tracking studies use facial stimuli presented on a display to investigate attentional processing of social stimuli. To introduce a more realistic approach that allows interaction between two real people, we evaluated a new eye tracking setup in three independent studies in terms of data quality, short-term reliability and feasibility. Study 1 measured the robustness, precision and accuracy for calibration stimuli compared to a classical display-based setup. Study 2 used the identical measures with an independent study sample to compare the data quality for a photograph of a face (2D) and the face of the real person (3D). Study 3 evaluated data quality over the course of a real face-to-face conversation and examined the gaze behavior on the facial features of the conversation partner. Study 1 provides evidence that quality indices for the scene-based setup were comparable to those of a classical display-based setup. Average accuracy was better than 0.4° visual angle. Study 2 demonstrates that eye tracking quality is sufficient for 3D stimuli and robust against short interruptions without re-calibration. Study 3 confirms the long-term stability of tracking accuracy during a face-to-face interaction and demonstrates typical gaze patterns for facial features. Thus, the eye tracking setup presented here seems feasible for studying gaze behavior in dyadic face-to-face interactions. Eye tracking data obtained with this setup achieves an accuracy that is sufficient for investigating behavior such as eye contact in social interactions in a range of populations including clinical conditions, such as autism spectrum and social phobia.Antonia VehlenInes SpenthofDaniel TönsingMarkus HeinrichsGregor DomesNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-16 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Antonia Vehlen Ines Spenthof Daniel Tönsing Markus Heinrichs Gregor Domes Evaluation of an eye tracking setup for studying visual attention in face-to-face conversations
description	Abstract Many eye tracking studies use facial stimuli presented on a display to investigate attentional processing of social stimuli. To introduce a more realistic approach that allows interaction between two real people, we evaluated a new eye tracking setup in three independent studies in terms of data quality, short-term reliability and feasibility. Study 1 measured the robustness, precision and accuracy for calibration stimuli compared to a classical display-based setup. Study 2 used the identical measures with an independent study sample to compare the data quality for a photograph of a face (2D) and the face of the real person (3D). Study 3 evaluated data quality over the course of a real face-to-face conversation and examined the gaze behavior on the facial features of the conversation partner. Study 1 provides evidence that quality indices for the scene-based setup were comparable to those of a classical display-based setup. Average accuracy was better than 0.4° visual angle. Study 2 demonstrates that eye tracking quality is sufficient for 3D stimuli and robust against short interruptions without re-calibration. Study 3 confirms the long-term stability of tracking accuracy during a face-to-face interaction and demonstrates typical gaze patterns for facial features. Thus, the eye tracking setup presented here seems feasible for studying gaze behavior in dyadic face-to-face interactions. Eye tracking data obtained with this setup achieves an accuracy that is sufficient for investigating behavior such as eye contact in social interactions in a range of populations including clinical conditions, such as autism spectrum and social phobia.
format	article
author	Antonia Vehlen Ines Spenthof Daniel Tönsing Markus Heinrichs Gregor Domes
author_facet	Antonia Vehlen Ines Spenthof Daniel Tönsing Markus Heinrichs Gregor Domes
author_sort	Antonia Vehlen
title	Evaluation of an eye tracking setup for studying visual attention in face-to-face conversations
title_short	Evaluation of an eye tracking setup for studying visual attention in face-to-face conversations
title_full	Evaluation of an eye tracking setup for studying visual attention in face-to-face conversations
title_fullStr	Evaluation of an eye tracking setup for studying visual attention in face-to-face conversations
title_full_unstemmed	Evaluation of an eye tracking setup for studying visual attention in face-to-face conversations
title_sort	evaluation of an eye tracking setup for studying visual attention in face-to-face conversations
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/21aee6ab7d694ac99daf21826d70d0ce
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Evaluation of an eye tracking setup for studying visual attention in face-to-face conversations

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