Brain networks underlying the processing of sound symbolism related to softness perception

Abstract Unlike the assumption of modern linguistics, there is non-arbitrary association between sound and meaning in sound symbolic words. Neuroimaging studies have suggested the unique contribution of the superior temporal sulcus to the processing of sound symbolism. However, because these finding...

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Autores principales:	Ryo Kitada, Jinhwan Kwon, Ryuichi Doizaki, Eri Nakagawa, Tsubasa Tanigawa, Hiroyuki Kajimoto, Norihiro Sadato, Maki Sakamoto
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1768ed2c2f604cc18281767f5099e63b
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spelling	oai:doaj.org-article:1768ed2c2f604cc18281767f5099e63b2021-12-02T14:23:18ZBrain networks underlying the processing of sound symbolism related to softness perception10.1038/s41598-021-86328-62045-2322https://doaj.org/article/1768ed2c2f604cc18281767f5099e63b2021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86328-6https://doaj.org/toc/2045-2322Abstract Unlike the assumption of modern linguistics, there is non-arbitrary association between sound and meaning in sound symbolic words. Neuroimaging studies have suggested the unique contribution of the superior temporal sulcus to the processing of sound symbolism. However, because these findings are limited to the mapping between sound symbolism and visually presented objects, the processing of sound symbolic information may also involve the sensory-modality dependent mechanisms. Here, we conducted a functional magnetic resonance imaging experiment to test whether the brain regions engaged in the tactile processing of object properties are also involved in mapping sound symbolic information with tactually perceived object properties. Thirty-two healthy subjects conducted a matching task in which they judged the congruency between softness perceived by touch and softness associated with sound symbolic words. Congruency effect was observed in the orbitofrontal cortex, inferior frontal gyrus, insula, medial superior frontal gyrus, cingulate gyrus, and cerebellum. This effect in the insula and medial superior frontal gyri was overlapped with softness-related activity that was separately measured in the same subjects in the tactile experiment. These results indicate that the insula and medial superior frontal gyrus play a role in processing sound symbolic information and relating it to the tactile softness information.Ryo KitadaJinhwan KwonRyuichi DoizakiEri NakagawaTsubasa TanigawaHiroyuki KajimotoNorihiro SadatoMaki SakamotoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ryo Kitada Jinhwan Kwon Ryuichi Doizaki Eri Nakagawa Tsubasa Tanigawa Hiroyuki Kajimoto Norihiro Sadato Maki Sakamoto Brain networks underlying the processing of sound symbolism related to softness perception
description	Abstract Unlike the assumption of modern linguistics, there is non-arbitrary association between sound and meaning in sound symbolic words. Neuroimaging studies have suggested the unique contribution of the superior temporal sulcus to the processing of sound symbolism. However, because these findings are limited to the mapping between sound symbolism and visually presented objects, the processing of sound symbolic information may also involve the sensory-modality dependent mechanisms. Here, we conducted a functional magnetic resonance imaging experiment to test whether the brain regions engaged in the tactile processing of object properties are also involved in mapping sound symbolic information with tactually perceived object properties. Thirty-two healthy subjects conducted a matching task in which they judged the congruency between softness perceived by touch and softness associated with sound symbolic words. Congruency effect was observed in the orbitofrontal cortex, inferior frontal gyrus, insula, medial superior frontal gyrus, cingulate gyrus, and cerebellum. This effect in the insula and medial superior frontal gyri was overlapped with softness-related activity that was separately measured in the same subjects in the tactile experiment. These results indicate that the insula and medial superior frontal gyrus play a role in processing sound symbolic information and relating it to the tactile softness information.
format	article
author	Ryo Kitada Jinhwan Kwon Ryuichi Doizaki Eri Nakagawa Tsubasa Tanigawa Hiroyuki Kajimoto Norihiro Sadato Maki Sakamoto
author_facet	Ryo Kitada Jinhwan Kwon Ryuichi Doizaki Eri Nakagawa Tsubasa Tanigawa Hiroyuki Kajimoto Norihiro Sadato Maki Sakamoto
author_sort	Ryo Kitada
title	Brain networks underlying the processing of sound symbolism related to softness perception
title_short	Brain networks underlying the processing of sound symbolism related to softness perception
title_full	Brain networks underlying the processing of sound symbolism related to softness perception
title_fullStr	Brain networks underlying the processing of sound symbolism related to softness perception
title_full_unstemmed	Brain networks underlying the processing of sound symbolism related to softness perception
title_sort	brain networks underlying the processing of sound symbolism related to softness perception
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/1768ed2c2f604cc18281767f5099e63b
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Brain networks underlying the processing of sound symbolism related to softness perception

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