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Evidence of slow maturation of the superior longitudinal fasciculus in early childhood by diffusion tensor imaging

 Jiangyang Zhang  ;  Alan Evans  ;  Susumu Mori  ;  Peter C.M. van Zijl  ;  Xiaoqing Wang  ;  Hao Huang  ;  Michael I. Miller  ;  Pamela Donohue  ;  Weihong Zhang  ;  Setsu Wakana  ;  Seung-Koo Lee  ;  Laurent Hermoye 
 NEUROIMAGE, Vol.38(2) : 239-247, 2007 
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While the majority of axonal organization is established by birth in mammalian brains, axonal wiring and pruning processes, as well as myelination, are known to extend to the postnatal periods, where environmental stimuli often play a major role. Normal axonal and myelin development of individual white matter tracts of human in this period is poorly understood and may have a major role in cognitive development of human. In this study, we applied diffusion tensor imaging and normalization-based population analyses to 44 preteen children and 30 adult images. We observed highly significant changes of fiber orientations at regions that correspond to the superior longitudinal fasciculus during the first 5 years. The result is attributed to slow axonal and/or myelin maturation of this tract, which is believed to be involved in language functions.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Lee, Seung Koo(이승구) ORCID logo https://orcid.org/0000-0001-5646-4072
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