Sensorimotor Activity and Network Connectivity to Dynamic and Static Emotional Faces in 7-Month-Old Infants

The present study investigated whether, as in adults, 7-month-old infants’ sensorimotor brain areas are recruited in response to the observation of emotional facial expressions. Activity of the sensorimotor cortex, as indexed by µ rhythm suppression, was recorded using electroencephalography (EEG) w...

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Autores principales:	Ermanno Quadrelli, Elisa Roberti, Silvia Polver, Hermann Bulf, Chiara Turati
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	sensorimotor cortex mu rhythm functional connectivity emotion faces infant Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
Acceso en línea:	https://doaj.org/article/f5ac2e12bea248b0b0e0b67e9ec22e97
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spelling	oai:doaj.org-article:f5ac2e12bea248b0b0e0b67e9ec22e972021-11-25T16:56:29ZSensorimotor Activity and Network Connectivity to Dynamic and Static Emotional Faces in 7-Month-Old Infants10.3390/brainsci111113962076-3425https://doaj.org/article/f5ac2e12bea248b0b0e0b67e9ec22e972021-10-01T00:00:00Zhttps://www.mdpi.com/2076-3425/11/11/1396https://doaj.org/toc/2076-3425The present study investigated whether, as in adults, 7-month-old infants’ sensorimotor brain areas are recruited in response to the observation of emotional facial expressions. Activity of the sensorimotor cortex, as indexed by µ rhythm suppression, was recorded using electroencephalography (EEG) while infants observed neutral, angry, and happy facial expressions either in a static (<i>N</i> = 19) or dynamic (<i>N</i> = 19) condition. Graph theory analysis was used to investigate to which extent neural activity was functionally localized in specific cortical areas. Happy facial expressions elicited greater sensorimotor activation compared to angry faces in the dynamic experimental condition, while no difference was found between the three expressions in the static condition. Results also revealed that happy but not angry nor neutral expressions elicited a significant right-lateralized activation in the dynamic condition. Furthermore, dynamic emotional faces generated more efficient processing as they elicited higher global efficiency and lower networks’ diameter compared to static faces. Overall, current results suggest that, contrarily to neutral and angry faces, happy expressions elicit sensorimotor activity at 7 months and dynamic emotional faces are more efficiently processed by functional brain networks. Finally, current data provide evidence of the existence of a right-lateralized activity for the processing of happy facial expressions.Ermanno QuadrelliElisa RobertiSilvia PolverHermann BulfChiara TuratiMDPI AGarticlesensorimotor cortexmu rhythmfunctional connectivityemotionfacesinfantNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571ENBrain Sciences, Vol 11, Iss 1396, p 1396 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	sensorimotor cortex mu rhythm functional connectivity emotion faces infant Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
spellingShingle	sensorimotor cortex mu rhythm functional connectivity emotion faces infant Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Ermanno Quadrelli Elisa Roberti Silvia Polver Hermann Bulf Chiara Turati Sensorimotor Activity and Network Connectivity to Dynamic and Static Emotional Faces in 7-Month-Old Infants
description	The present study investigated whether, as in adults, 7-month-old infants’ sensorimotor brain areas are recruited in response to the observation of emotional facial expressions. Activity of the sensorimotor cortex, as indexed by µ rhythm suppression, was recorded using electroencephalography (EEG) while infants observed neutral, angry, and happy facial expressions either in a static (<i>N</i> = 19) or dynamic (<i>N</i> = 19) condition. Graph theory analysis was used to investigate to which extent neural activity was functionally localized in specific cortical areas. Happy facial expressions elicited greater sensorimotor activation compared to angry faces in the dynamic experimental condition, while no difference was found between the three expressions in the static condition. Results also revealed that happy but not angry nor neutral expressions elicited a significant right-lateralized activation in the dynamic condition. Furthermore, dynamic emotional faces generated more efficient processing as they elicited higher global efficiency and lower networks’ diameter compared to static faces. Overall, current results suggest that, contrarily to neutral and angry faces, happy expressions elicit sensorimotor activity at 7 months and dynamic emotional faces are more efficiently processed by functional brain networks. Finally, current data provide evidence of the existence of a right-lateralized activity for the processing of happy facial expressions.
format	article
author	Ermanno Quadrelli Elisa Roberti Silvia Polver Hermann Bulf Chiara Turati
author_facet	Ermanno Quadrelli Elisa Roberti Silvia Polver Hermann Bulf Chiara Turati
author_sort	Ermanno Quadrelli
title	Sensorimotor Activity and Network Connectivity to Dynamic and Static Emotional Faces in 7-Month-Old Infants
title_short	Sensorimotor Activity and Network Connectivity to Dynamic and Static Emotional Faces in 7-Month-Old Infants
title_full	Sensorimotor Activity and Network Connectivity to Dynamic and Static Emotional Faces in 7-Month-Old Infants
title_fullStr	Sensorimotor Activity and Network Connectivity to Dynamic and Static Emotional Faces in 7-Month-Old Infants
title_full_unstemmed	Sensorimotor Activity and Network Connectivity to Dynamic and Static Emotional Faces in 7-Month-Old Infants
title_sort	sensorimotor activity and network connectivity to dynamic and static emotional faces in 7-month-old infants
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/f5ac2e12bea248b0b0e0b67e9ec22e97
work_keys_str_mv	AT ermannoquadrelli sensorimotoractivityandnetworkconnectivitytodynamicandstaticemotionalfacesin7montholdinfants AT elisaroberti sensorimotoractivityandnetworkconnectivitytodynamicandstaticemotionalfacesin7montholdinfants AT silviapolver sensorimotoractivityandnetworkconnectivitytodynamicandstaticemotionalfacesin7montholdinfants AT hermannbulf sensorimotoractivityandnetworkconnectivitytodynamicandstaticemotionalfacesin7montholdinfants AT chiaraturati sensorimotoractivityandnetworkconnectivitytodynamicandstaticemotionalfacesin7montholdinfants
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Sensorimotor Activity and Network Connectivity to Dynamic and Static Emotional Faces in 7-Month-Old Infants

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