How two brains make one synchronized mind in the inferior frontal cortex: FNIRS-based hyperscanning during cooperative singing

Osaka, Naoyuki; Minamoto, Takehiro; Yaoi, Ken; Azuma, Miyuki; Minamoto Shimada, Yohko; Osaka, Mariko

doi:https://doi.org/10.3389/fpsyg.2015.01811

How two brains make one synchronized mind in the inferior frontal cortex: FNIRS-based hyperscanning during cooperative singing

Osaka, Naoyuki; Minamoto, Takehiro; Yaoi, Ken et al.

Frontiers in Psychology, 2015, 6(NOV), 1811

アクセス数:24件（2025-04-27 13:50 集計）

固定URL: https://hdl.handle.net/11094/97866

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タイトル	How two brains make one synchronized mind in the inferior frontal cortex: FNIRS-based hyperscanning during cooperative singing
著者	NRID 1000020113136 1000020113136 著者名 Osaka, Naoyuki
	NRID 1000040611306 1000040611306 著者名 Minamoto, Takehiro
	NRID 1000080647206 1000080647206 著者名 Yaoi, Ken
	著者名 Azuma, Miyuki
	NRID 1000060422903 1000060422903 著者名 Minamoto Shimada, Yohko
	NRID 1000070144300 1000070144300 researchmap permalink read0014582 read0014582 著者名 Osaka, Mariko
キーワード等	Cooperation
	FNIRS
	Humming
	Hyperscanning
	Inferior frontal cortex
	Singing
内容	Osaka N., Minamoto T., Yaoi K., et al. How two brains make one synchronized mind in the inferior frontal cortex: FNIRS-based hyperscanning during cooperative singing. Frontiers in Psychology 6, 1811 (2015); https://doi.org/10.3389/fpsyg.2015.01811.
抄録	One form of communication that is common in all cultures is people singing together. Singing together reflects an index of cognitive synchronization and cooperation of human brains. Little is known about the neural synchronization mechanism, however. Here, we examined how two brains make one synchronized behavior using cooperated singing/humming between two people and hyperscanning, a new brain scanning technique. Hyperscanning allowed us to observe dynamic cooperation between interacting participants. We used functional near-infrared spectroscopy (fNIRS) to simultaneously record the brain activity of two people while they cooperatively sang or hummed a song in face-to-face (FtF) or face-to-wall (FtW) conditions. By calculating the inter-brain wavelet transform coherence between two interacting brains, we found a significant increase in the neural synchronization of the left inferior frontal cortex (IFC) for cooperative singing or humming regardless of FtF or FtW compared with singing or humming alone. On the other hand, the right IFC showed an increase in neural synchronization for humming only, possibly due to more dependence on musical processing.
出版者	Frontiers Research Foundationinfo
収録物名	Frontiers in Psychology
巻(号)	6(NOV)
ページ	1811
刊行年月	2015-11-26
言語	英語
ハンドルURL	https://hdl.handle.net/11094/97866
eISSN	16641078
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.3389/fpsyg.2015.01811
アクセス権	open access
権利情報	This article is licensed under a Creative Commons Attribution 4.0 International License.
出版タイプ	Version of Record
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCTERMS.bibliographicCitation	Frontiers in Psychology. 2015, 6(NOV), p. 1811
DC.title	How two brains make one synchronized mind in the inferior frontal cortex: FNIRS-based hyperscanning during cooperative singing
DC.creator	Osaka, Naoyuki
	Minamoto, Takehiro
	Yaoi, Ken
	Azuma, Miyuki
	Minamoto Shimada, Yohko
	Osaka, Mariko
DC.publisher	Frontiers Research Foundationinfo
DC.language' scheme='DCTERMS.RFC1766	英語
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2015-11-26
DC.identifier	https://doi.org/10.3389/fpsyg.2015.01811
DC.subject	Cooperation
	FNIRS
	Humming
	Hyperscanning
	Inferior frontal cortex
	Singing
DC.description	Osaka N., Minamoto T., Yaoi K., et al. How two brains make one synchronized mind in the inferior frontal cortex: FNIRS-based hyperscanning during cooperative singing. Frontiers in Psychology 6, 1811 (2015); https://doi.org/10.3389/fpsyg.2015.01811.
DCTERMS.abstract	One form of communication that is common in all cultures is people singing together. Singing together reflects an index of cognitive synchronization and cooperation of human brains. Little is known about the neural synchronization mechanism, however. Here, we examined how two brains make one synchronized behavior using cooperated singing/humming between two people and hyperscanning, a new brain scanning technique. Hyperscanning allowed us to observe dynamic cooperation between interacting participants. We used functional near-infrared spectroscopy (fNIRS) to simultaneously record the brain activity of two people while they cooperatively sang or hummed a song in face-to-face (FtF) or face-to-wall (FtW) conditions. By calculating the inter-brain wavelet transform coherence between two interacting brains, we found a significant increase in the neural synchronization of the left inferior frontal cortex (IFC) for cooperative singing or humming regardless of FtF or FtW compared with singing or humming alone. On the other hand, the right IFC showed an increase in neural synchronization for humming only, possibly due to more dependence on musical processing.
DC.rights	This article is licensed under a Creative Commons Attribution 4.0 International License.
DC.format	97866
citation_title	How two brains make one synchronized mind in the inferior frontal cortex: FNIRS-based hyperscanning during cooperative singing
citation_author	Osaka, Naoyuki
	Minamoto, Takehiro
	Yaoi, Ken
	Azuma, Miyuki
	Minamoto Shimada, Yohko
	Osaka, Mariko
citation_publisher	Frontiers Research Foundationinfo
citation_language	英語
citation_date	2015-11-26
citation_journal_title	Frontiers in Psychology
citation_volume	6
citation_issue	NOV
citation_firstpage	1811
citation_doi	https://doi.org/10.3389/fpsyg.2015.01811
citation_public_url	https://hdl.handle.net/11094/97866

How two brains make one synchronized mind in the inferior frontal cortex: FNIRS-based hyperscanning during cooperative singing

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