The behavioural preview effect with faces is susceptible to statistical regularities: Evidence for predictive processing across the saccade

Abstract The world around us appears stable and continuous despite saccadic eye movements. This apparent visual stability is achieved by trans-saccadic perception leading at the behavioural level to preview effects: performance in processing a foveal stimulus is better if the stimulus remained uncha...

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Autores principales:	Christoph Huber-Huber, David Melcher
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/170f04bb43c6400abb8422a0f0ff8ded
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spelling	oai:doaj.org-article:170f04bb43c6400abb8422a0f0ff8ded2021-12-02T15:23:01ZThe behavioural preview effect with faces is susceptible to statistical regularities: Evidence for predictive processing across the saccade10.1038/s41598-020-79957-w2045-2322https://doaj.org/article/170f04bb43c6400abb8422a0f0ff8ded2021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-79957-whttps://doaj.org/toc/2045-2322Abstract The world around us appears stable and continuous despite saccadic eye movements. This apparent visual stability is achieved by trans-saccadic perception leading at the behavioural level to preview effects: performance in processing a foveal stimulus is better if the stimulus remained unchanged (valid) compared to when it changed (invalid) during the saccade that brought it into focus. Trans-saccadic perception is known to predictively adapt to the statistics of the environment. Here, we asked whether the behavioural preview effect shows the same characteristics, employing a between-participants training design. Participants made saccades to faces which could change their orientation (upright/inverted) during the saccade. In addition, the post-saccadic face was slightly tilted and participants reported this tilt upon fixation. In a training phase, one group of participants conducted only invalid trials whereas another group conducted only valid trials. In a subsequent test phase with 50% valid and 50% invalid trials, we measured the preview effect. Invalid training reduced the preview effect. With a mixed-model analysis, we could show how this training effect gradually declines in the course of the test phase. These results show that the behavioural preview effect adapts to the statistics of the environment suggesting that it results from predictive processes.Christoph Huber-HuberDavid MelcherNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Christoph Huber-Huber David Melcher The behavioural preview effect with faces is susceptible to statistical regularities: Evidence for predictive processing across the saccade
description	Abstract The world around us appears stable and continuous despite saccadic eye movements. This apparent visual stability is achieved by trans-saccadic perception leading at the behavioural level to preview effects: performance in processing a foveal stimulus is better if the stimulus remained unchanged (valid) compared to when it changed (invalid) during the saccade that brought it into focus. Trans-saccadic perception is known to predictively adapt to the statistics of the environment. Here, we asked whether the behavioural preview effect shows the same characteristics, employing a between-participants training design. Participants made saccades to faces which could change their orientation (upright/inverted) during the saccade. In addition, the post-saccadic face was slightly tilted and participants reported this tilt upon fixation. In a training phase, one group of participants conducted only invalid trials whereas another group conducted only valid trials. In a subsequent test phase with 50% valid and 50% invalid trials, we measured the preview effect. Invalid training reduced the preview effect. With a mixed-model analysis, we could show how this training effect gradually declines in the course of the test phase. These results show that the behavioural preview effect adapts to the statistics of the environment suggesting that it results from predictive processes.
format	article
author	Christoph Huber-Huber David Melcher
author_facet	Christoph Huber-Huber David Melcher
author_sort	Christoph Huber-Huber
title	The behavioural preview effect with faces is susceptible to statistical regularities: Evidence for predictive processing across the saccade
title_short	The behavioural preview effect with faces is susceptible to statistical regularities: Evidence for predictive processing across the saccade
title_full	The behavioural preview effect with faces is susceptible to statistical regularities: Evidence for predictive processing across the saccade
title_fullStr	The behavioural preview effect with faces is susceptible to statistical regularities: Evidence for predictive processing across the saccade
title_full_unstemmed	The behavioural preview effect with faces is susceptible to statistical regularities: Evidence for predictive processing across the saccade
title_sort	behavioural preview effect with faces is susceptible to statistical regularities: evidence for predictive processing across the saccade
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/170f04bb43c6400abb8422a0f0ff8ded
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The behavioural preview effect with faces is susceptible to statistical regularities: Evidence for predictive processing across the saccade

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