Visuo-proprioceptive integration and recalibration with multiple visual stimuli

Abstract To organize the plethora of sensory signals from our environment into a coherent percept, our brain relies on the processes of multisensory integration and sensory recalibration. We here asked how visuo-proprioceptive integration and recalibration are shaped by the presence of more than one...

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Autores principales:	Nienke B. Debats, Herbert Heuer, Christoph Kayser
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/96c98ce665ea4c46a08cdba7a44119e1
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id	oai:doaj.org-article:96c98ce665ea4c46a08cdba7a44119e1
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spelling	oai:doaj.org-article:96c98ce665ea4c46a08cdba7a44119e12021-11-08T10:50:31ZVisuo-proprioceptive integration and recalibration with multiple visual stimuli10.1038/s41598-021-00992-22045-2322https://doaj.org/article/96c98ce665ea4c46a08cdba7a44119e12021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-00992-2https://doaj.org/toc/2045-2322Abstract To organize the plethora of sensory signals from our environment into a coherent percept, our brain relies on the processes of multisensory integration and sensory recalibration. We here asked how visuo-proprioceptive integration and recalibration are shaped by the presence of more than one visual stimulus, hence paving the way to study multisensory perception under more naturalistic settings with multiple signals per sensory modality. We used a cursor-control task in which proprioceptive information on the endpoint of a reaching movement was complemented by two visual stimuli providing additional information on the movement endpoint. The visual stimuli were briefly shown, one synchronously with the hand reaching the movement endpoint, the other delayed. In Experiment 1, the judgments of hand movement endpoint revealed integration and recalibration biases oriented towards the position of the synchronous stimulus and away from the delayed one. In Experiment 2 we contrasted two alternative accounts: that only the temporally more proximal visual stimulus enters integration similar to a winner-takes-all process, or that the influences of both stimuli superpose. The proprioceptive biases revealed that integration—and likely also recalibration—are shaped by the superposed contributions of multiple stimuli rather than by only the most powerful individual one.Nienke B. DebatsHerbert HeuerChristoph KayserNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Nienke B. Debats Herbert Heuer Christoph Kayser Visuo-proprioceptive integration and recalibration with multiple visual stimuli
description	Abstract To organize the plethora of sensory signals from our environment into a coherent percept, our brain relies on the processes of multisensory integration and sensory recalibration. We here asked how visuo-proprioceptive integration and recalibration are shaped by the presence of more than one visual stimulus, hence paving the way to study multisensory perception under more naturalistic settings with multiple signals per sensory modality. We used a cursor-control task in which proprioceptive information on the endpoint of a reaching movement was complemented by two visual stimuli providing additional information on the movement endpoint. The visual stimuli were briefly shown, one synchronously with the hand reaching the movement endpoint, the other delayed. In Experiment 1, the judgments of hand movement endpoint revealed integration and recalibration biases oriented towards the position of the synchronous stimulus and away from the delayed one. In Experiment 2 we contrasted two alternative accounts: that only the temporally more proximal visual stimulus enters integration similar to a winner-takes-all process, or that the influences of both stimuli superpose. The proprioceptive biases revealed that integration—and likely also recalibration—are shaped by the superposed contributions of multiple stimuli rather than by only the most powerful individual one.
format	article
author	Nienke B. Debats Herbert Heuer Christoph Kayser
author_facet	Nienke B. Debats Herbert Heuer Christoph Kayser
author_sort	Nienke B. Debats
title	Visuo-proprioceptive integration and recalibration with multiple visual stimuli
title_short	Visuo-proprioceptive integration and recalibration with multiple visual stimuli
title_full	Visuo-proprioceptive integration and recalibration with multiple visual stimuli
title_fullStr	Visuo-proprioceptive integration and recalibration with multiple visual stimuli
title_full_unstemmed	Visuo-proprioceptive integration and recalibration with multiple visual stimuli
title_sort	visuo-proprioceptive integration and recalibration with multiple visual stimuli
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/96c98ce665ea4c46a08cdba7a44119e1
work_keys_str_mv	AT nienkebdebats visuoproprioceptiveintegrationandrecalibrationwithmultiplevisualstimuli AT herbertheuer visuoproprioceptiveintegrationandrecalibrationwithmultiplevisualstimuli AT christophkayser visuoproprioceptiveintegrationandrecalibrationwithmultiplevisualstimuli
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Visuo-proprioceptive integration and recalibration with multiple visual stimuli

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