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    Rights statement: This is the author’s version of a work that was accepted for publication in Biological Psychology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Biological Psychology, 135, 2018 DOI: 10.1016/j.biopsycho.2018.03.008

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Individual differences in infants’ neural responses to their peers’ cry and laughter

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Individual differences in infants’ neural responses to their peers’ cry and laughter. / Crespo-Llado, Maria Magdalena; Vanderwert, Ross E.; Geangu, Elena.

In: Biological Psychology, Vol. 135, 05.2018, p. 117-127.

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@article{0f858b67ce614777aec351a6390baacb,
title = "Individual differences in infants’ neural responses to their peers’ cry and laughter",
abstract = "Abstract Infants’ ability to process others’ emotional expressions is fundamental for their social development. While infants’ processing of emotions expressed by faces and speech has been more extensively investigated, less is known about how infants process non-verbal vocalizations of emotions. Here, we recorded frontal N100, P200, and LPC event-related potentials (ERPs) from 8-month-old infants listening to sounds of other infants crying, laughing, and coughing. Infants’ temperament was measured via parental report. Results showed that processing of emotional information from non-verbal vocalizations was associated with more negative N100 and greater LPC amplitudes for peer’s crying sounds relative to positive and neutral sounds. Temperament was further related to the N100, P200, and LPC difference scores between conditions. One important finding was that infants with improved ability to regulate arousal exhibited increased sustained processing of peers’ cry sounds compared to both laughter and cough sounds. These results emphasize the relevance of considering the temperamental characteristics in understanding the development of infant emotion information processing, as well as for formulating comprehensive theoretical models of typical and atypical social development.",
keywords = "infants, emotion, non-verbal vocalizations, temperament, ERP",
author = "Crespo-Llado, {Maria Magdalena} and Vanderwert, {Ross E.} and Elena Geangu",
note = "This is the author’s version of a work that was accepted for publication in Biological Psychology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Biological Psychology, 135, 2018 DOI: 10.1016/j.biopsycho.2018.03.008",
year = "2018",
month = "5",
doi = "10.1016/j.biopsycho.2018.03.008",
language = "English",
volume = "135",
pages = "117--127",
journal = "Biological Psychology",
issn = "0301-0511",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Individual differences in infants’ neural responses to their peers’ cry and laughter

AU - Crespo-Llado, Maria Magdalena

AU - Vanderwert, Ross E.

AU - Geangu, Elena

N1 - This is the author’s version of a work that was accepted for publication in Biological Psychology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Biological Psychology, 135, 2018 DOI: 10.1016/j.biopsycho.2018.03.008

PY - 2018/5

Y1 - 2018/5

N2 - Abstract Infants’ ability to process others’ emotional expressions is fundamental for their social development. While infants’ processing of emotions expressed by faces and speech has been more extensively investigated, less is known about how infants process non-verbal vocalizations of emotions. Here, we recorded frontal N100, P200, and LPC event-related potentials (ERPs) from 8-month-old infants listening to sounds of other infants crying, laughing, and coughing. Infants’ temperament was measured via parental report. Results showed that processing of emotional information from non-verbal vocalizations was associated with more negative N100 and greater LPC amplitudes for peer’s crying sounds relative to positive and neutral sounds. Temperament was further related to the N100, P200, and LPC difference scores between conditions. One important finding was that infants with improved ability to regulate arousal exhibited increased sustained processing of peers’ cry sounds compared to both laughter and cough sounds. These results emphasize the relevance of considering the temperamental characteristics in understanding the development of infant emotion information processing, as well as for formulating comprehensive theoretical models of typical and atypical social development.

AB - Abstract Infants’ ability to process others’ emotional expressions is fundamental for their social development. While infants’ processing of emotions expressed by faces and speech has been more extensively investigated, less is known about how infants process non-verbal vocalizations of emotions. Here, we recorded frontal N100, P200, and LPC event-related potentials (ERPs) from 8-month-old infants listening to sounds of other infants crying, laughing, and coughing. Infants’ temperament was measured via parental report. Results showed that processing of emotional information from non-verbal vocalizations was associated with more negative N100 and greater LPC amplitudes for peer’s crying sounds relative to positive and neutral sounds. Temperament was further related to the N100, P200, and LPC difference scores between conditions. One important finding was that infants with improved ability to regulate arousal exhibited increased sustained processing of peers’ cry sounds compared to both laughter and cough sounds. These results emphasize the relevance of considering the temperamental characteristics in understanding the development of infant emotion information processing, as well as for formulating comprehensive theoretical models of typical and atypical social development.

KW - infants

KW - emotion

KW - non-verbal vocalizations

KW - temperament

KW - ERP

U2 - 10.1016/j.biopsycho.2018.03.008

DO - 10.1016/j.biopsycho.2018.03.008

M3 - Journal article

VL - 135

SP - 117

EP - 127

JO - Biological Psychology

JF - Biological Psychology

SN - 0301-0511

ER -