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The importance of the fibre tracts connecting the planum temporale in absolute pitch possessors


Burkhard, Anja; Hänggi, Jürgen; Elmer, Stefan; Jäncke, Lutz (2020). The importance of the fibre tracts connecting the planum temporale in absolute pitch possessors. NeuroImage, 211:116590.

Abstract

In the present study we investigated 90 musicians of both sexes who possess different degrees of absolute pitch (AP) using diffusion tensor imaging in association with a correlational approach and evaluated whether there are differences in perisylvian connections depending on the proficiency level of AP. We expected higher fractional anisotropy with increasing AP ability in the white matter underlying perisylvian brain areas. Results revealed a significant positive correlation between the proficiency level of AP and fractional anisotropy values in the left-sided white matter underlying the planum temporale. We interpret this result as an indicator of auditory processing differences between musicians possessing different degrees of AP, reflecting early auditory encoding and categorization processes. The present study provides further evidence for the substantial importance of the left-sided planum temporale for the ability of AP.

Abstract

In the present study we investigated 90 musicians of both sexes who possess different degrees of absolute pitch (AP) using diffusion tensor imaging in association with a correlational approach and evaluated whether there are differences in perisylvian connections depending on the proficiency level of AP. We expected higher fractional anisotropy with increasing AP ability in the white matter underlying perisylvian brain areas. Results revealed a significant positive correlation between the proficiency level of AP and fractional anisotropy values in the left-sided white matter underlying the planum temporale. We interpret this result as an indicator of auditory processing differences between musicians possessing different degrees of AP, reflecting early auditory encoding and categorization processes. The present study provides further evidence for the substantial importance of the left-sided planum temporale for the ability of AP.

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Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Institute of Psychology
08 Research Priority Programs > Dynamics of Healthy Aging
Dewey Decimal Classification:150 Psychology
Language:English
Date:1 May 2020
Deposited On:03 Feb 2020 14:19
Last Modified:07 Feb 2020 02:08
Publisher:Elsevier
ISSN:1053-8119
OA Status:Closed
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1016/j.neuroimage.2020.116590
PubMed ID:32004719
Project Information:
  • : FunderSNSF
  • : Grant ID320030_163149
  • : Project TitleDie neuronalen Grundlagen des absoluten Gehörs und der Ton-Farbsynästhesie: Zwei Seiten einer Medaille?

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