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Temporal attention causes systematic biases in visual confidence
Temporal attention enhances the perceptual representation of a stimulus at a particular point in time. The number of possible attentional episodes in a given period is limited, but whether observers’ confidence reflects such limitations is still unclear. To investigate this issue, we adapted an “Att...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6690997/ https://www.ncbi.nlm.nih.gov/pubmed/31406265 http://dx.doi.org/10.1038/s41598-019-48063-x |
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author | Recht, Samuel Mamassian, Pascal de Gardelle, Vincent |
author_facet | Recht, Samuel Mamassian, Pascal de Gardelle, Vincent |
author_sort | Recht, Samuel |
collection | PubMed |
description | Temporal attention enhances the perceptual representation of a stimulus at a particular point in time. The number of possible attentional episodes in a given period is limited, but whether observers’ confidence reflects such limitations is still unclear. To investigate this issue, we adapted an “Attentional Blink” paradigm, presenting observers with a rapid visual stream of letters containing two targets cued for subsequent perceptual reports and confidence judgments. We found three main results. First, when two targets fell within the same attentional episode, the second target underwent a strong under-confidence bias. In other words, confidence neglected that a single attentional episode can benefit to both targets. Second, despite this initial bias, confidence was strongly correlated with response probability. Third, as confidence was yoked to the evidence used in perceptual reports, it remains blind to delays in response selection for the second target. Notably, the second target was often mistaken with a later item associated with higher confidence. These results suggest that confidence does not perfectly evaluate the limits of temporal attention in challenging situations. |
format | Online Article Text |
id | pubmed-6690997 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-66909972019-08-15 Temporal attention causes systematic biases in visual confidence Recht, Samuel Mamassian, Pascal de Gardelle, Vincent Sci Rep Article Temporal attention enhances the perceptual representation of a stimulus at a particular point in time. The number of possible attentional episodes in a given period is limited, but whether observers’ confidence reflects such limitations is still unclear. To investigate this issue, we adapted an “Attentional Blink” paradigm, presenting observers with a rapid visual stream of letters containing two targets cued for subsequent perceptual reports and confidence judgments. We found three main results. First, when two targets fell within the same attentional episode, the second target underwent a strong under-confidence bias. In other words, confidence neglected that a single attentional episode can benefit to both targets. Second, despite this initial bias, confidence was strongly correlated with response probability. Third, as confidence was yoked to the evidence used in perceptual reports, it remains blind to delays in response selection for the second target. Notably, the second target was often mistaken with a later item associated with higher confidence. These results suggest that confidence does not perfectly evaluate the limits of temporal attention in challenging situations. Nature Publishing Group UK 2019-08-12 /pmc/articles/PMC6690997/ /pubmed/31406265 http://dx.doi.org/10.1038/s41598-019-48063-x Text en © The Author(s) 2019 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Recht, Samuel Mamassian, Pascal de Gardelle, Vincent Temporal attention causes systematic biases in visual confidence |
title | Temporal attention causes systematic biases in visual confidence |
title_full | Temporal attention causes systematic biases in visual confidence |
title_fullStr | Temporal attention causes systematic biases in visual confidence |
title_full_unstemmed | Temporal attention causes systematic biases in visual confidence |
title_short | Temporal attention causes systematic biases in visual confidence |
title_sort | temporal attention causes systematic biases in visual confidence |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6690997/ https://www.ncbi.nlm.nih.gov/pubmed/31406265 http://dx.doi.org/10.1038/s41598-019-48063-x |
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