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KMID : 0858520110150020110
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Journal of the Korean Society of Magnetic Resonance in Medicine
2011 Volume.15 No. 2 p.110 ~ p.122
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Anatomical Brain Connectivity Map of Korean Children
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Um Min-Hee
Park Bum-Hee
Park Hae-Jeong
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Abstract
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Purpose: The purpose of this study is to establish the method generating human brain anatomical connectivity from Korean children and evaluating the network topological properties using small-world network analysis.
Materials and Methods: Using diffusion tensor images (DTI) and parcellation maps of structural MRIs acquired from twelve healthy Korean children, we generated a brain structural connectivity matrix for individual. We applied one sample t-test to the connectivity maps to derive a representative anatomical connectivity for the group. By spatially normalizing the white matter bundles of participants into a template standard space, we obtained the anatomical brain network model. Network properties including clustering coefficient, characteristic path length, and global/local efficiency were also calculated.
Results: We found that the structural connectivity of Korean children group preserves the small-world properties. The anatomical connectivity map obtained in this study showed that children group had higher intra-hemispheric connectivity than inter-hemispheric connectivity. We also observed that the neural connectivity of the group is high between brain stem and motorsensory areas.
Conclusion: We suggested a method to examine the anatomical brain network of Korean children group. The proposed method can be used to evaluate the efficiency of anatomical brain networks in people with disease.
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KEYWORD
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Structural connectivity, Small-world network, Korean children connectome
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