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  Resting state functional connectivity of the ventral auditory pathway in musicians with absolute pitch

Kim, S.-G., & Knösche, T. R. (2017). Resting state functional connectivity of the ventral auditory pathway in musicians with absolute pitch. Human Brain Mapping, 38(8), 3899-3916. doi:10.1002/hbm.23637.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-A610-E Version Permalink: http://hdl.handle.net/21.11116/0000-0004-D838-A
Genre: Journal Article

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 Creators:
Kim, Seung-Goo1, Author              
Knösche, Thomas R.1, Author              
Affiliations:
1Methods and Development Unit Cortical Networks and Cognitive Functions, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634557              

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Free keywords: Absolute pitch; Dual auditory pathway hypothesis; Functional magnetic resonance imaging; Human auditory system; Pitch chroma perception; Planum polare; Resting-state network
 Abstract: Abstract Absolute pitch (AP) is the ability to recognize pitch chroma of tonal sound without external references, providing a unique model of the human auditory system (Zatorre: Nat Neurosci 6 () 692-695). In a previous study (Kim and Knösche: Hum Brain Mapp () 3486-3501), we identified enhanced intracortical myelination in the right planum polare (PP) in musicians with AP, which could be a potential site for perceptional processing of pitch chroma information. We speculated that this area, which initiates the ventral auditory pathway, might be crucially involved in the perceptual stage of the AP process in the context of the "dual pathway hypothesis" that suggests the role of the ventral pathway in processing nonspatial information related to the identity of an auditory object (Rauschecker: Eur J Neurosci 41 () 579-585). To test our conjecture on the ventral pathway, we investigated resting state functional connectivity (RSFC) using functional magnetic resonance imaging (fMRI) from musicians with varying degrees of AP. Should our hypothesis be correct, RSFC via the ventral pathway is expected to be stronger in musicians with AP, whereas such group effect is not predicted in the RSFC via the dorsal pathway. In the current data, we found greater RSFC between the right PP and bilateral anteroventral auditory cortices in musicians with AP. In contrast, we did not find any group difference in the RSFC of the planum temporale (PT) between musicians with and without AP. We believe that these findings support our conjecture on the critical role of the ventral pathway in AP recognition. Hum Brain Mapp 38:3899-3916, 2017.

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Language(s): eng - English
 Dates: 2017-04-062017-01-122017-04-232017-07-052017-08
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1002/hbm.23637
PMID: 28481006
Other: Epub 2017
 Degree: -

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Funding organization : International Max Planck Research School on Neuroscience of Communication: Function, Structure, and Plasticity (IMPRS NeuroCom)

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Title: Human Brain Mapping
Source Genre: Journal
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Publ. Info: New York : Wiley-Liss
Pages: - Volume / Issue: 38 (8) Sequence Number: - Start / End Page: 3899 - 3916 Identifier: ISSN: 1065-9471
CoNE: https://pure.mpg.de/cone/journals/resource/954925601686