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  Anatomical differences in the human inferior colliculus relate to perceived valence of musical consonance and dissonance

Fritz, T., Renders, W., Mueller, K., Schmude, P., Leman, M., Turner, R., et al. (2013). Anatomical differences in the human inferior colliculus relate to perceived valence of musical consonance and dissonance. European Journal of Neuroscience, 38(7), 3099-3105. doi:10.1111/ejn.12305.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-F8F9-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-83EF-C
Genre: Journal Article

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 Creators:
Fritz, Tom1, 2, 3, Author              
Renders, W.2, Author
Mueller, Karsten4, Author              
Schmude, P.5, Author
Leman, M.2, Author
Turner, Robert5, Author              
Villringer, Arno1, Author              
Affiliations:
1Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
2Institute for Psychoacoustics and Electronic Music, Ghent University, Belgium, ou_persistent22              
3Department of Nuclear Medicine, University of Leipzig, Germany, ou_persistent22              
4Methods and Development Unit Nuclear Magnetic Resonance, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634558              
5Department Neurophysics, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634550              

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Free keywords: Aesthetics; Dichotic; Inferior colliculus; Music; Pulvinar; Roughness
 Abstract: Helmholtz himself speculated about a role of the cochlea in the perception of musical dissonance. Here we indirectly investigated this issue, assessing the valence judgment of musical stimuli with variable consonance/dissonance and presented diotically (exactly the same dissonant signal was presented to both ears) or dichotically (a consonant signal was presented to each ear – both conso- nant signals were rhythmically identical but differed by a semitone in pitch). Differences in brain organisation underlying inter-subject differences in the percept of dichotically presented dissonance were determined with voxel-based morphometry. Behavioral results showed that diotic dissonant stimuli were perceived as more unpleasant than dichotically presented dissonance, indicating that interactions within the cochlea modulated the valence percept during dissonance. However, the behavioral data also suggested that the dissonance percept did not depend crucially on the cochlea, but also occurred as a result of binaural integration when listening to dichotic dissonance. These results also showed substantial between-participant variations in the valence response to dichotic dis- sonance. These differences were in a voxel-based morphometry analysis related to differences in gray matter density in the inferior colliculus, which strongly substantiated a key role of the inferior colliculus in consonance/dissonance representation in humans.

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Language(s): eng - English
 Dates: 2013-05-282012-12-192013-06-102013-07-162013-10
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1111/ejn.12305
PMID: 23859464
Other: Epub 2013
 Degree: -

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Title: European Journal of Neuroscience
  Other : Eur. J. Neurosci
Source Genre: Journal
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Publ. Info: Oxford, UK : Published on behalf of the European Neuroscience Association by Oxford University Press
Pages: - Volume / Issue: 38 (7) Sequence Number: - Start / End Page: 3099 - 3105 Identifier: ISSN: 0953-816X
CoNE: /journals/resource/954925575988