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Discrimination of fearful and happy body postures in 8-month-old infants : an event-related potential study.

Missana, M. and Rajhans, P. and Atkinson, A.P. and Grossmann, T. (2014) 'Discrimination of fearful and happy body postures in 8-month-old infants : an event-related potential study.', Frontiers in human neuroscience., 8 . p. 531.

Abstract

Responding to others’ emotional body expressions is an essential social skill in humans. Adults readily detect emotions from body postures, but it is unclear whether infants are sensitive to emotional body postures. We examined 8-month-old infants’ brain responses to emotional body postures by measuring event-related potentials (ERPs) to happy and fearful bodies. Our results revealed two emotion-sensitive ERP components: body postures evoked an early N290 at occipital electrodes and a later Nc at fronto-central electrodes that were enhanced in response to fearful (relative to happy) expressions. These findings demonstrate that: (a) 8-month-old infants discriminate between static emotional body postures; and (b) similar to infant emotional face perception, the sensitivity to emotional body postures is reflected in early perceptual (N290) and later attentional (Nc) neural processes. This provides evidence for an early developmental emergence of the neural processes involved in the discrimination of emotional body postures.

Item Type:Article
Keywords:Emotion, Infants, Body expressions, ERP, Development.
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.3389/fnhum.2014.00531
Publisher statement:© 2014 Missana, Rajhans, Atkinson and Grossmann. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Date accepted:30 June 2014
Date deposited:28 July 2015
Date of first online publication:24 July 2014
Date first made open access:No date available

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