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Brain Imaging

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Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging

Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging

Published on: September 12, 2011

Can musical training influence brain connectivity? Evidence from diffusion tensor MRI.

Emma Moore¹, Rebecca S Schaefer², Mark E Bastin³

¹Institute for Music in Human and Social Development (IMHSD), Reid School of Music, Alison House, 12 Nicolson Square, Edinburgh EH8 9DF, UK. e.v.moore@sms.ed.ac.uk.

|June 26, 2014

Summary

Musical training may alter brain white matter connections, particularly the corpus callosum. However, findings on other brain pathways are inconsistent, and pre-existing differences in non-musicians might explain some observed structural variations.

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Area of Science:

Neuroscience
Neuroimaging
Neuroplasticity

Background:

Skill acquisition, such as musical training, is increasingly studied for its effects on brain neuroplasticity.
Diffusion Tensor Magnetic Resonance Imaging (DT-MRI) enables detailed investigation of white matter tracts and their connectivity.

Purpose of the Study:

To review current DT-MRI techniques for analyzing white matter.
To synthesize evidence on white matter differences between musicians and non-musicians.
To identify inconsistencies and suggest future research directions.

Main Methods:

Review of existing DT-MRI studies comparing musicians and non-musicians.
Discussion of DT-MRI analysis techniques relevant to white matter architecture.

Main Results:

Evidence suggests musical training may induce changes in cross-hemispheric connections, notably in the corpus callosum.
Findings on intra-hemispheric fibers, internal capsule, and corticospinal tracts are inconsistent or contradictory.
Pre-existing white matter variations in non-musicians may influence musical skill acquisition.

Conclusions:

Musical training likely impacts white matter connectivity, particularly inter-hemispheric pathways.
Inconsistencies in the literature highlight the need for standardized methodologies and further research.
Investigating the role of individual differences in non-musicians is crucial for understanding neuroplasticity.