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  The functional role of neural oscillations in non-verbal emotional communication

Symons, A. E., El-Deredy, W., Schwartze, M., & Kotz, S. A. (2016). The functional role of neural oscillations in non-verbal emotional communication. Frontiers in Human Neuroscience, 10: 239. doi:10.3389/fnhum.2016.00239.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-1753-A Version Permalink: http://hdl.handle.net/21.11116/0000-0003-1E48-C
Genre: Journal Article

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 Creators:
Symons, Ashley E.1, Author
El-Deredy, Wael1, 2, Author
Schwartze, Michael3, 4, Author              
Kotz, Sonja A.1, 3, 4, Author              
Affiliations:
1School of Psychological Sciences, University of Manchester, United Kingdom, ou_persistent22              
2School of Biomedical Engineering, University of Valparaiso, Chile, ou_persistent22              
3Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
4Department of Neuropsychology and Psychopharmacology, Maastricht University, the Netherlands, ou_persistent22              

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Free keywords: Emotion; Nonverbal communication; Multisensory; Cross-modal prediction; Neural oscillations
 Abstract: Effective interpersonal communication depends on the ability to perceive and interpret nonverbal emotional expressions from multiple sensory modalities. Current theoretical models propose that visual and auditory emotion perception involves a network of brain regions including the primary sensory cortices, the superior temporal sulcus (STS), and orbitofrontal cortex (OFC). However, relatively little is known about how the dynamic interplay between these regions gives rise to the perception of emotions. In recent years, there has been increasing recognition of the importance of neural oscillations in mediating neural communication within and between functional neural networks. Here we review studies investigating changes in oscillatory activity during the perception of visual, auditory, and audiovisual emotional expressions, and aim to characterize the functional role of neural oscillations in nonverbal emotion perception. Findings from the reviewed literature suggest that theta band oscillations most consistently differentiate between emotional and neutral expressions. While early theta synchronization appears to reflect the initial encoding of emotionally salient sensory information, later fronto-central theta synchronization may reflect the further integration of sensory information with internal representations. Additionally, gamma synchronization reflects facilitated sensory binding of emotional expressions within regions such as the OFC, STS, and, potentially, the amygdala. However, the evidence is more ambiguous when it comes to the role of oscillations within the alpha and beta frequencies, which vary as a function of modality (or modalities), presence or absence of predictive information, and attentional or task demands. Thus, the synchronization of neural oscillations within specific frequency bands mediates the rapid detection, integration, and evaluation of emotional expressions. Moreover, the functional coupling of oscillatory activity across multiples frequency bands supports a predictive coding model of multisensory emotion perception in which emotional facial and body expressions facilitate the processing of emotional vocalizations.

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Language(s): eng - English
 Dates: 2016-01-112016-05-092016-05-25
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.3389/fnhum.2016.00239
PMID: 27252638
PMC: PMC4879141
Other: eCollection 2016
 Degree: -

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Title: Frontiers in Human Neuroscience
  Abbreviation : Front Hum Neurosci
Source Genre: Journal
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Publ. Info: Lausanne, Switzerland : Frontiers Research Foundation
Pages: - Volume / Issue: 10 Sequence Number: 239 Start / End Page: - Identifier: ISSN: 1662-5161
CoNE: https://pure.mpg.de/cone/journals/resource/1662-5161