Hyper-brain networks support romantic kissing in humans.

Coordinated social interaction is associated with, and presumably dependent on, oscillatory couplings within and between brains, which, in turn, consist of an interplay across different frequencies. Here, we introduce a method of network construction based on the cross-frequency coupling (CFC) and e...

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Autores principales:	Viktor Müller, Ulman Lindenberger
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/bc27b7792be24b13a53a23bedfe8a9c0
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spelling	oai:doaj.org-article:bc27b7792be24b13a53a23bedfe8a9c02021-11-25T05:54:32ZHyper-brain networks support romantic kissing in humans.1932-620310.1371/journal.pone.0112080https://doaj.org/article/bc27b7792be24b13a53a23bedfe8a9c02014-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0112080https://doaj.org/toc/1932-6203Coordinated social interaction is associated with, and presumably dependent on, oscillatory couplings within and between brains, which, in turn, consist of an interplay across different frequencies. Here, we introduce a method of network construction based on the cross-frequency coupling (CFC) and examine whether coordinated social interaction is associated with CFC within and between brains. Specifically, we compare the electroencephalograms (EEG) of 15 heterosexual couples during romantic kissing to kissing one's own hand, and to kissing one another while performing silent arithmetic. Using graph-theory methods, we identify theta-alpha hyper-brain networks, with alpha serving a cleaving or pacemaker function. Network strengths were higher and characteristic path lengths shorter when individuals were kissing each other than when they were kissing their own hand. In both partner-oriented kissing conditions, greater strength and shorter path length for 5-Hz oscillation nodes correlated reliably with greater partner-oriented kissing satisfaction. This correlation was especially strong for inter-brain connections in both partner-oriented kissing conditions but not during kissing one's own hand. Kissing quality assessed after the kissing with silent arithmetic correlated reliably with intra-brain strength of 10-Hz oscillation nodes during both romantic kissing and kissing with silent arithmetic. We conclude that hyper-brain networks based on CFC may capture neural mechanisms that support interpersonally coordinated voluntary action and bonding behavior.Viktor MüllerUlman LindenbergerPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 11, p e112080 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Viktor Müller Ulman Lindenberger Hyper-brain networks support romantic kissing in humans.
description	Coordinated social interaction is associated with, and presumably dependent on, oscillatory couplings within and between brains, which, in turn, consist of an interplay across different frequencies. Here, we introduce a method of network construction based on the cross-frequency coupling (CFC) and examine whether coordinated social interaction is associated with CFC within and between brains. Specifically, we compare the electroencephalograms (EEG) of 15 heterosexual couples during romantic kissing to kissing one's own hand, and to kissing one another while performing silent arithmetic. Using graph-theory methods, we identify theta-alpha hyper-brain networks, with alpha serving a cleaving or pacemaker function. Network strengths were higher and characteristic path lengths shorter when individuals were kissing each other than when they were kissing their own hand. In both partner-oriented kissing conditions, greater strength and shorter path length for 5-Hz oscillation nodes correlated reliably with greater partner-oriented kissing satisfaction. This correlation was especially strong for inter-brain connections in both partner-oriented kissing conditions but not during kissing one's own hand. Kissing quality assessed after the kissing with silent arithmetic correlated reliably with intra-brain strength of 10-Hz oscillation nodes during both romantic kissing and kissing with silent arithmetic. We conclude that hyper-brain networks based on CFC may capture neural mechanisms that support interpersonally coordinated voluntary action and bonding behavior.
format	article
author	Viktor Müller Ulman Lindenberger
author_facet	Viktor Müller Ulman Lindenberger
author_sort	Viktor Müller
title	Hyper-brain networks support romantic kissing in humans.
title_short	Hyper-brain networks support romantic kissing in humans.
title_full	Hyper-brain networks support romantic kissing in humans.
title_fullStr	Hyper-brain networks support romantic kissing in humans.
title_full_unstemmed	Hyper-brain networks support romantic kissing in humans.
title_sort	hyper-brain networks support romantic kissing in humans.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/bc27b7792be24b13a53a23bedfe8a9c0
work_keys_str_mv	AT viktormuller hyperbrainnetworkssupportromantickissinginhumans AT ulmanlindenberger hyperbrainnetworkssupportromantickissinginhumans
_version_	1718414422486024192

Hyper-brain networks support romantic kissing in humans.

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