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  Instrument specific use-dependent plasticity shapes the anatomical properties of the corpus callosum: A comparison between musicians and non-musicians

Vollmann, H., Ragert, P., Conde, V., Villringer, A., Classen, J., Witte, O. W., et al. (2014). Instrument specific use-dependent plasticity shapes the anatomical properties of the corpus callosum: A comparison between musicians and non-musicians. Frontiers in Behavioral Neuroscience, 8: 245. doi:10.3389/fnbeh.2014.00245.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0023-CF5C-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-7C61-5
Genre: Journal Article

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 Creators:
Vollmann, Henning1, 2, Author              
Ragert, Patrick1, Author              
Conde, Virginia1, 3, Author              
Villringer, Arno1, 4, Author              
Classen, Joseph2, Author
Witte, Otto W.5, Author
Steele, Christopher1, Author              
Affiliations:
1Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
2Clinic for Cognitive Neurology, University of Leipzig, Germany, ou_persistent22              
3Danish Research Centre for Magnetic Resonance, Copenhagen University Hospital Hvidovre, Denmark, ou_persistent22              
4Berlin School of Mind and Brain, Humboldt University Berlin, Germany, ou_persistent22              
5Department of Neurology, Jena University Hospital, Germany, ou_persistent22              

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Free keywords: Use-dependent plasticity; Corpus callosum; Musical training; Pianists; String players; Interhemispheric inhibition; Fractional anisotropy; Diffusion imaging
 Abstract: Long-term musical expertise has been shown to be associated with a number of functional and structural brain changes, making it an attractive model for investigating use-dependent plasticity in humans. Physiological interhemispheric inhibition (IHI) as examined by transcranial magnetic stimulation has been shown to be correlated with anatomical properties of the corpus callosum as indexed by fractional anisotropy (FA). However, whether or not IHI or the relationship between IHI and FA in the corpus callosum can be modified by different musical training regimes remains largely unknown. We investigated this question in musicians with different requirements for bimanual finger movements (piano and string players) and non-expert controls. IHI values were generally higher in musicians, but differed significantly from non-musicians only in string players. IHI was correlated with FA in the posterior midbody of the corpus callosum across all participants. Interestingly, subsequent analyses revealed that this relationship may indeed be modulated by different musical training regimes. Crucially, while string players had greater IHI than non-musicians and showed a positive structure-function relationship, the amount of IHI in pianists was comparable to that of non-musicians and there was no significant structure-function relationship. Our findings indicate instrument specific use-dependent plasticity in both functional (IHI) and structural (FA) connectivity of motor related brain regions in musicians.

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Language(s): eng - English
 Dates: 2014-05-202014-06-262014-07-16
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.3389/fnbeh.2014.00245
PMID: 25076879
PMC: PMC4100438
Other: eCollection 2014
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Title: Frontiers in Behavioral Neuroscience
  Abbreviation : Front Behav Neurosci
Source Genre: Journal
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Publ. Info: Lausanne, Switzerland : Frontiers Research Foundation
Pages: - Volume / Issue: 8 Sequence Number: 245 Start / End Page: - Identifier: Other: 1662-5153
CoNE: https://pure.mpg.de/cone/journals/resource/1662-5153