Memory influences haptic perception of softness

Abstract The memory of an object’s property (e.g. its typical colour) can affect its visual perception. We investigated whether memory of the softness of every-day objects influences their haptic perception. We produced bipartite silicone rubber stimuli: one half of the stimuli was covered with a la...

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Autores principales:	Anna Metzger, Knut Drewing
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/77de148f296b4f4f9c3a509197b34495
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spelling	oai:doaj.org-article:77de148f296b4f4f9c3a509197b344952021-12-02T15:07:53ZMemory influences haptic perception of softness10.1038/s41598-019-50835-42045-2322https://doaj.org/article/77de148f296b4f4f9c3a509197b344952019-10-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-50835-4https://doaj.org/toc/2045-2322Abstract The memory of an object’s property (e.g. its typical colour) can affect its visual perception. We investigated whether memory of the softness of every-day objects influences their haptic perception. We produced bipartite silicone rubber stimuli: one half of the stimuli was covered with a layer of an object (sponge, wood, tennis ball, foam ball); the other half was uncovered silicone. Participants were not aware of the partition. They first used their bare finger to stroke laterally over the covering layer to recognize the well-known object and then indented the other half of the stimulus with a probe to compare its softness to that of an uncovered silicone stimulus. Across four experiments with different methods we showed that silicon stimuli covered with a layer of rather hard objects (tennis ball and wood) were perceived harder than the same silicon stimuli when being covered with a layer of rather soft objects (sponge and foam ball), indicating that haptic perception of softness is affected by memory.Anna MetzgerKnut DrewingNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-10 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Anna Metzger Knut Drewing Memory influences haptic perception of softness
description	Abstract The memory of an object’s property (e.g. its typical colour) can affect its visual perception. We investigated whether memory of the softness of every-day objects influences their haptic perception. We produced bipartite silicone rubber stimuli: one half of the stimuli was covered with a layer of an object (sponge, wood, tennis ball, foam ball); the other half was uncovered silicone. Participants were not aware of the partition. They first used their bare finger to stroke laterally over the covering layer to recognize the well-known object and then indented the other half of the stimulus with a probe to compare its softness to that of an uncovered silicone stimulus. Across four experiments with different methods we showed that silicon stimuli covered with a layer of rather hard objects (tennis ball and wood) were perceived harder than the same silicon stimuli when being covered with a layer of rather soft objects (sponge and foam ball), indicating that haptic perception of softness is affected by memory.
format	article
author	Anna Metzger Knut Drewing
author_facet	Anna Metzger Knut Drewing
author_sort	Anna Metzger
title	Memory influences haptic perception of softness
title_short	Memory influences haptic perception of softness
title_full	Memory influences haptic perception of softness
title_fullStr	Memory influences haptic perception of softness
title_full_unstemmed	Memory influences haptic perception of softness
title_sort	memory influences haptic perception of softness
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/77de148f296b4f4f9c3a509197b34495
work_keys_str_mv	AT annametzger memoryinfluenceshapticperceptionofsoftness AT knutdrewing memoryinfluenceshapticperceptionofsoftness
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Memory influences haptic perception of softness

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