NDLI: Plasticity of the Superior and Middle Cerebellar Peduncles in Musicians Revealed by Quantitative Analysis of Volume and Number of Streamlines Based on Diffusion Tensor Tractography

Content Provider	Springer Nature Link
Author	Abdul Kareem, Ihssan A. Stancak, Andrej Parkes, Laura M. Al Ameen, May AlGhamdi, Jamaan Aldhafeeri, Faten M. Embleton, Karl Morris, David Sluming, Vanessa
Copyright Year	2011
Abstract	This work was conducted to study the plasticity of superior (SCP) and middle (MCP) cerebellar peduncles in musicians. The cerebellum is well known to support several musically relevant motor, sensory and cognitive functions. Previous studies reported increased cerebellar volume and grey matter (GM) density in musicians. Here, we report on plasticity of white matter (WM) of the cerebellum. Our cohort included 10/10 gender and handedness-matched musicians and controls. Using diffusion tensor imaging, fibre tractography of SCP and MCP was performed. The fractional anisotropy (FA), number of streamlines and volume of streamlines of SCP/MCP were compared between groups. Automatic measurements of GM and WM volumes of the right/left cerebellar hemispheres were also compared. Musicians have significantly increased right SCP volume (p = 0.02) and number of streamlines (p = 0.001), right MCP volume (p = 0.004) and total WM volume of the right cerebellum (p = 0.003). There were no significant differences in right MCP number of streamlines, left SCP/MCP volume and number of streamlines, SCP/MCP FA values, GM volume of the right cerebellum and GM/WM volumes of the left cerebellum. We propose that increased volume and number of streamlines of the right cerebellar peduncles represent use-dependent structural adaptation to increased sensorimotor and cognitive functional demands on the musician’s cerebellum.
Starting Page	611
Ending Page	623
Page Count	13
File Format	PDF
ISSN	14734222
Journal	The Cerebellum
Volume Number	10
Issue Number	3
e-ISSN	14734230
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-04-19
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Musicians Superior/middle cerebellar peduncle DTI Neurosciences Neurobiology Neurology
Content Type	Text
Resource Type	Article
Subject	Neurology Neurology (clinical)

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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