Functional selectivity for social interaction perception in the human superior temporal sulcus during natural viewing

Recognizing others’ social interactions is a crucial human ability. Using simple stimuli, previous studies have shown that social interactions are selectively processed in the superior temporal sulcus (STS), but prior work with movies has suggested that social interactions are processed in the media...

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Autores principales:	Haemy Lee Masson, Leyla Isik
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Social interaction perception Theory of mind Superior temporal sulcus Medial prefrontal cortex Encoding model Variance partitioning Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
Acceso en línea:	https://doaj.org/article/3ffbbfc99c7a4923b44a54d3bd41edff
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spelling	oai:doaj.org-article:3ffbbfc99c7a4923b44a54d3bd41edff2021-11-28T04:29:11ZFunctional selectivity for social interaction perception in the human superior temporal sulcus during natural viewing1095-957210.1016/j.neuroimage.2021.118741https://doaj.org/article/3ffbbfc99c7a4923b44a54d3bd41edff2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1053811921010132https://doaj.org/toc/1095-9572Recognizing others’ social interactions is a crucial human ability. Using simple stimuli, previous studies have shown that social interactions are selectively processed in the superior temporal sulcus (STS), but prior work with movies has suggested that social interactions are processed in the medial prefrontal cortex (mPFC), part of the theory of mind network. It remains unknown to what extent social interaction selectivity is observed in real world stimuli when controlling for other covarying perceptual and social information, such as faces, voices, and theory of mind. The current study utilizes a functional magnetic resonance imaging (fMRI) movie paradigm and advanced machine learning methods to uncover the brain mechanisms uniquely underlying naturalistic social interaction perception. We analyzed two publicly available fMRI datasets, collected while both male and female human participants (n = 17 and 18) watched two different commercial movies in the MRI scanner. By performing voxel-wise encoding and variance partitioning analyses, we found that broad social-affective features predict neural responses in social brain regions, including the STS and mPFC. However, only the STS showed robust and unique selectivity specifically to social interactions, independent from other covarying features. This selectivity was observed across two separate fMRI datasets. These findings suggest that naturalistic social interaction perception recruits dedicated neural circuity in the STS, separate from the theory of mind network, and is a critical dimension of human social understanding.Haemy Lee MassonLeyla IsikElsevierarticleSocial interaction perceptionTheory of mindSuperior temporal sulcusMedial prefrontal cortexEncoding modelVariance partitioningNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571ENNeuroImage, Vol 245, Iss , Pp 118741- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Social interaction perception Theory of mind Superior temporal sulcus Medial prefrontal cortex Encoding model Variance partitioning Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
spellingShingle	Social interaction perception Theory of mind Superior temporal sulcus Medial prefrontal cortex Encoding model Variance partitioning Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Haemy Lee Masson Leyla Isik Functional selectivity for social interaction perception in the human superior temporal sulcus during natural viewing
description	Recognizing others’ social interactions is a crucial human ability. Using simple stimuli, previous studies have shown that social interactions are selectively processed in the superior temporal sulcus (STS), but prior work with movies has suggested that social interactions are processed in the medial prefrontal cortex (mPFC), part of the theory of mind network. It remains unknown to what extent social interaction selectivity is observed in real world stimuli when controlling for other covarying perceptual and social information, such as faces, voices, and theory of mind. The current study utilizes a functional magnetic resonance imaging (fMRI) movie paradigm and advanced machine learning methods to uncover the brain mechanisms uniquely underlying naturalistic social interaction perception. We analyzed two publicly available fMRI datasets, collected while both male and female human participants (n = 17 and 18) watched two different commercial movies in the MRI scanner. By performing voxel-wise encoding and variance partitioning analyses, we found that broad social-affective features predict neural responses in social brain regions, including the STS and mPFC. However, only the STS showed robust and unique selectivity specifically to social interactions, independent from other covarying features. This selectivity was observed across two separate fMRI datasets. These findings suggest that naturalistic social interaction perception recruits dedicated neural circuity in the STS, separate from the theory of mind network, and is a critical dimension of human social understanding.
format	article
author	Haemy Lee Masson Leyla Isik
author_facet	Haemy Lee Masson Leyla Isik
author_sort	Haemy Lee Masson
title	Functional selectivity for social interaction perception in the human superior temporal sulcus during natural viewing
title_short	Functional selectivity for social interaction perception in the human superior temporal sulcus during natural viewing
title_full	Functional selectivity for social interaction perception in the human superior temporal sulcus during natural viewing
title_fullStr	Functional selectivity for social interaction perception in the human superior temporal sulcus during natural viewing
title_full_unstemmed	Functional selectivity for social interaction perception in the human superior temporal sulcus during natural viewing
title_sort	functional selectivity for social interaction perception in the human superior temporal sulcus during natural viewing
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/3ffbbfc99c7a4923b44a54d3bd41edff
work_keys_str_mv	AT haemyleemasson functionalselectivityforsocialinteractionperceptioninthehumansuperiortemporalsulcusduringnaturalviewing AT leylaisik functionalselectivityforsocialinteractionperceptioninthehumansuperiortemporalsulcusduringnaturalviewing
_version_	1718408373245837312

Functional selectivity for social interaction perception in the human superior temporal sulcus during natural viewing

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