期刊
NEUROREPORT
卷 21, 期 1, 页码 73-77出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/WNR.0b013e3283345eb0
关键词
asymmetry; corpus callosum; diffusion tensor imaging; sex differences; tractography
资金
- Korean government (MEST) [R0A 2007-000-20068-0]
We assessed sex differences in fractional anisotropy (FA) and mean diffusion (MD) of temporal lobe white matter (TLWMFA, TLWMMD), TLWM asymmetry, and the relationship between TLWM asymmetry and FA and MD of the corpus callosum (CCFA, CCMD) using diffusion tensor tractography. We found sex differences in the M D of both inferior longitudinal fasciculus (ILF); however, it disappeared after statistical adjustments for intracranial volume and CCMD variability. FA of the superior longitudinal fasciculus (SLFFA) and FA and MD of the ILF (ILFFA, ILFMD) showed leftward asymmetry. In females, the asymmetry indices of SLFFA and the MD of the SLF were significantly correlated with CCFA and CCMD, respectively, which may be related to sex differences in the hemispheric specialization for language. NeuroReport 21:73-77 (C) 2010 Wolters Kluwer Health vertical bar Lippincott Williams & Wilkins.
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