Attenuation of sensory processing in the primary somatosensory cortex during rubber hand illusion

Abstract The neural representation of the body is easily altered by the integration of multiple sensory signals in the brain. The “rubber hand illusion” (RHI) is one of the most popular experimental paradigms to investigate this phenomenon. During this illusion, a feeling of ownership of the rubber...

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Autores principales:	Masanori Sakamoto, Hirotoshi Ifuku
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2e116f3f14784e38954cbad9742eb6a6
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spelling	oai:doaj.org-article:2e116f3f14784e38954cbad9742eb6a62021-12-02T13:26:32ZAttenuation of sensory processing in the primary somatosensory cortex during rubber hand illusion10.1038/s41598-021-86828-52045-2322https://doaj.org/article/2e116f3f14784e38954cbad9742eb6a62021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86828-5https://doaj.org/toc/2045-2322Abstract The neural representation of the body is easily altered by the integration of multiple sensory signals in the brain. The “rubber hand illusion” (RHI) is one of the most popular experimental paradigms to investigate this phenomenon. During this illusion, a feeling of ownership of the rubber hand is created. Some studies have shown that somatosensory processing in the brain is attenuated when RHI occurs. However, it is unknown where attenuation of somatosensory processing occurs. Here, we show that somatosensory processing is attenuated in the primary somatosensory cortex. We found that the earliest response of somatosensory evoked potentials, which is thought to originate from the primary somatosensory cortex, was attenuated during RHI. Furthermore, this attenuation was observed before the occurrence of the illusion. Our results suggest that attenuation of sensory processing in the primary somatosensory cortex is one of the factors influencing the occurrence of the RHI.Masanori SakamotoHirotoshi IfukuNature 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 Masanori Sakamoto Hirotoshi Ifuku Attenuation of sensory processing in the primary somatosensory cortex during rubber hand illusion
description	Abstract The neural representation of the body is easily altered by the integration of multiple sensory signals in the brain. The “rubber hand illusion” (RHI) is one of the most popular experimental paradigms to investigate this phenomenon. During this illusion, a feeling of ownership of the rubber hand is created. Some studies have shown that somatosensory processing in the brain is attenuated when RHI occurs. However, it is unknown where attenuation of somatosensory processing occurs. Here, we show that somatosensory processing is attenuated in the primary somatosensory cortex. We found that the earliest response of somatosensory evoked potentials, which is thought to originate from the primary somatosensory cortex, was attenuated during RHI. Furthermore, this attenuation was observed before the occurrence of the illusion. Our results suggest that attenuation of sensory processing in the primary somatosensory cortex is one of the factors influencing the occurrence of the RHI.
format	article
author	Masanori Sakamoto Hirotoshi Ifuku
author_facet	Masanori Sakamoto Hirotoshi Ifuku
author_sort	Masanori Sakamoto
title	Attenuation of sensory processing in the primary somatosensory cortex during rubber hand illusion
title_short	Attenuation of sensory processing in the primary somatosensory cortex during rubber hand illusion
title_full	Attenuation of sensory processing in the primary somatosensory cortex during rubber hand illusion
title_fullStr	Attenuation of sensory processing in the primary somatosensory cortex during rubber hand illusion
title_full_unstemmed	Attenuation of sensory processing in the primary somatosensory cortex during rubber hand illusion
title_sort	attenuation of sensory processing in the primary somatosensory cortex during rubber hand illusion
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/2e116f3f14784e38954cbad9742eb6a6
work_keys_str_mv	AT masanorisakamoto attenuationofsensoryprocessingintheprimarysomatosensorycortexduringrubberhandillusion AT hirotoshiifuku attenuationofsensoryprocessingintheprimarysomatosensorycortexduringrubberhandillusion
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Attenuation of sensory processing in the primary somatosensory cortex during rubber hand illusion

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