The sound of emotions—Towards a unifying neural network perspective of affective sound processing

•Affective information can be conveyed by a diversity of sounds.•Neuroimaging studies show common neural network of affective sound processing.•Common network represents differential and complementary neural functions.•Extended neural network for affect processing from complex sounds.•Right-hemisphe...

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Veröffentlicht in:Neuroscience and biobehavioral reviews 2016-09, Vol.68, p.96-110
Hauptverfasser: Frühholz, Sascha, Trost, Wiebke, Kotz, Sonja A.
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Sprache:eng
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Zusammenfassung:•Affective information can be conveyed by a diversity of sounds.•Neuroimaging studies show common neural network of affective sound processing.•Common network represents differential and complementary neural functions.•Extended neural network for affect processing from complex sounds.•Right-hemispheric lateralization only for affective prosody. Affective sounds are an integral part of the natural and social environment that shape and influence behavior across a multitude of species. In human primates, these affective sounds span a repertoire of environmental and human sounds when we vocalize or produce music. In terms of neural processing, cortical and subcortical brain areas constitute a distributed network that supports our listening experience to these affective sounds. Taking an exhaustive cross-domain view, we accordingly suggest a common neural network that facilitates the decoding of the emotional meaning from a wide source of sounds rather than a traditional view that postulates distinct neural systems for specific affective sound types. This new integrative neural network view unifies the decoding of affective valence in sounds, and ascribes differential as well as complementary functional roles to specific nodes within a common neural network. It also highlights the importance of an extended brain network beyond the central limbic and auditory brain systems engaged in the processing of affective sounds.
ISSN:0149-7634
1873-7528
DOI:10.1016/j.neubiorev.2016.05.002