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Article

Enhanced White Matter Fiber Tracts in Advanced Jazz Improvisers

by 1,2, 3,4 and 2,4,5,6,7,8,*
1
Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02129, USA
2
Department of Physics and Astronomy, Georgia State University, Atlanta, GA 30303, USA
3
School of Music, Georgia State University, Atlanta, GA 30303, USA
4
Neuroscience Institute, Georgia State University, Atlanta, GA 30303, USA
5
Georgia State-Georgia Tech Center for Advanced Brain Imaging, Georgia State University, Atlanta, GA 30303, USA
6
Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303, USA
7
Center for Nano-Optics, Georgia State University, Atlanta, GA 30303, USA
8
Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Antonino Vallesi
Brain Sci. 2021, 11(4), 506; https://doi.org/10.3390/brainsci11040506
Received: 25 March 2021 / Revised: 13 April 2021 / Accepted: 14 April 2021 / Published: 16 April 2021
Human cognition and behavior arise from neuronal interactions over brain structural networks. These neuronal interactions cause changes in structural networks over time. How a creative activity such as musical improvisation performance changes the brain structure is largely unknown. In this diffusion magnetic resonance imaging study, we examined the brain’s white matter fiber properties in previously identified functional networks and compared the findings between advanced jazz improvisers and non-musicians. We found that, for advanced improvisers compared with non-musicians, the normalized quantitative anisotropy (NQA) is elevated in the lateral prefrontal areas and supplementary motor area, and the underlying white matter fiber tracts connecting these areas. This enhancement of the diffusion anisotropy along the fiber pathway connecting the lateral prefrontal and supplementary motor is consistent with the functional networks during musical improvisation tasks performed by expert jazz improvisers. These findings together suggest that experts’ creative skill is associated with the task-relevant, long-timescale brain structural network changes, in support of related cognitive underpinnings. View Full-Text
Keywords: music improvisation; creativity; connectivity; tractography; quantitative anisotropy; fiber integrity music improvisation; creativity; connectivity; tractography; quantitative anisotropy; fiber integrity
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MDPI and ACS Style

Dhakal, K.; Norgaard, M.; Dhamala, M. Enhanced White Matter Fiber Tracts in Advanced Jazz Improvisers. Brain Sci. 2021, 11, 506. https://doi.org/10.3390/brainsci11040506

AMA Style

Dhakal K, Norgaard M, Dhamala M. Enhanced White Matter Fiber Tracts in Advanced Jazz Improvisers. Brain Sciences. 2021; 11(4):506. https://doi.org/10.3390/brainsci11040506

Chicago/Turabian Style

Dhakal, Kiran, Martin Norgaard, and Mukesh Dhamala. 2021. "Enhanced White Matter Fiber Tracts in Advanced Jazz Improvisers" Brain Sciences 11, no. 4: 506. https://doi.org/10.3390/brainsci11040506

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