Investigating real-life emotions in romantic couples: a mobile EEG study

Abstract The neural basis of emotional processing has been largely investigated in constrained spatial environments such as stationary EEGs or fMRI scanners using highly artificial stimuli like standardized pictures depicting emotional scenes. Typically, such standardized experiments have low ecolog...

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Autores principales:	Julian Packheiser, Gesa Berretz, Noemi Rook, Celine Bahr, Lynn Schockenhoff, Onur Güntürkün, Sebastian Ocklenburg
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/8c633d6f27474543957e97084c0c853c
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spelling	oai:doaj.org-article:8c633d6f27474543957e97084c0c853c2021-12-02T14:02:33ZInvestigating real-life emotions in romantic couples: a mobile EEG study10.1038/s41598-020-80590-w2045-2322https://doaj.org/article/8c633d6f27474543957e97084c0c853c2021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-80590-whttps://doaj.org/toc/2045-2322Abstract The neural basis of emotional processing has been largely investigated in constrained spatial environments such as stationary EEGs or fMRI scanners using highly artificial stimuli like standardized pictures depicting emotional scenes. Typically, such standardized experiments have low ecological validity and it remains unclear whether their results reflect neuronal processing in real-life affective situations at all. Critically, emotional situations do not only encompass the perception of emotions, but also behavioral components associated with them. In this study, we aimed to investigate real-life emotions by recording couples in their homes using mobile EEG technology during embracing, kissing and emotional speech. We focused on asymmetries in affective processing as emotions have been demonstrated to be strongly lateralized in the brain. We found higher alpha and beta power asymmetry during kissing and embracing on frontal electrodes during emotional kisses and speech compared to a neutral control condition indicative of stronger left-hemispheric activation. In contrast, we found lower alpha power asymmetry at parieto-occipital electrode sites in the emotional compared to the neutral condition indicative of stronger right-hemispheric activation. Our findings for alpha power asymmetries are in line with models of emotional lateralization that postulate a valence-specific processing over frontal cortices and right-hemispheric dominance in emotional processing in parieto-occipital regions. In contrast, beta power asymmetries pointed more towards valence-specific processing indicating that, while alpha and beta frequencies seem to be functionally associated, they are not reflecting identical cognitive processing.Julian PackheiserGesa BerretzNoemi RookCeline BahrLynn SchockenhoffOnur GüntürkünSebastian OcklenburgNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Julian Packheiser Gesa Berretz Noemi Rook Celine Bahr Lynn Schockenhoff Onur Güntürkün Sebastian Ocklenburg Investigating real-life emotions in romantic couples: a mobile EEG study
description	Abstract The neural basis of emotional processing has been largely investigated in constrained spatial environments such as stationary EEGs or fMRI scanners using highly artificial stimuli like standardized pictures depicting emotional scenes. Typically, such standardized experiments have low ecological validity and it remains unclear whether their results reflect neuronal processing in real-life affective situations at all. Critically, emotional situations do not only encompass the perception of emotions, but also behavioral components associated with them. In this study, we aimed to investigate real-life emotions by recording couples in their homes using mobile EEG technology during embracing, kissing and emotional speech. We focused on asymmetries in affective processing as emotions have been demonstrated to be strongly lateralized in the brain. We found higher alpha and beta power asymmetry during kissing and embracing on frontal electrodes during emotional kisses and speech compared to a neutral control condition indicative of stronger left-hemispheric activation. In contrast, we found lower alpha power asymmetry at parieto-occipital electrode sites in the emotional compared to the neutral condition indicative of stronger right-hemispheric activation. Our findings for alpha power asymmetries are in line with models of emotional lateralization that postulate a valence-specific processing over frontal cortices and right-hemispheric dominance in emotional processing in parieto-occipital regions. In contrast, beta power asymmetries pointed more towards valence-specific processing indicating that, while alpha and beta frequencies seem to be functionally associated, they are not reflecting identical cognitive processing.
format	article
author	Julian Packheiser Gesa Berretz Noemi Rook Celine Bahr Lynn Schockenhoff Onur Güntürkün Sebastian Ocklenburg
author_facet	Julian Packheiser Gesa Berretz Noemi Rook Celine Bahr Lynn Schockenhoff Onur Güntürkün Sebastian Ocklenburg
author_sort	Julian Packheiser
title	Investigating real-life emotions in romantic couples: a mobile EEG study
title_short	Investigating real-life emotions in romantic couples: a mobile EEG study
title_full	Investigating real-life emotions in romantic couples: a mobile EEG study
title_fullStr	Investigating real-life emotions in romantic couples: a mobile EEG study
title_full_unstemmed	Investigating real-life emotions in romantic couples: a mobile EEG study
title_sort	investigating real-life emotions in romantic couples: a mobile eeg study
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/8c633d6f27474543957e97084c0c853c
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Investigating real-life emotions in romantic couples: a mobile EEG study

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