Sex Differences in White Matter Pathways Related to Language Ability

Material type: 文書・図像類

Author: Minyoung, Jungほか

Publisher: Frontiers Media

Publication date: 2019-08-28

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Note (General)：: Evidence from functional imaging studies points to a role for gender in language ability. However, recent studies suggest that sex differences in the ...

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Material Type: 文書・図像類
Title: Sex Differences in White Matter Pathways Related to Language Ability
Author/Editor: Minyoung, Jung
Maria, Mody
Toru, Fujioka
Yukari, Kimura
Hidehiko, Okazawa
Hirotaka, Kosaka
Author Heading: Minyoung, Jung
Maria, Mody
Toru, Fujioka
Yukari, Kimura
Hidehiko, Okazawa
Hirotaka, Kosaka
Publication, Distribution, etc.: Frontiers Media
Publication Date: 2019-08-28
Publication Date (W3CDTF): 2019-08-28
Periodical title: Frontiers in Neuroscience
No. or year of volume/issue: 13
Volume: 13
ISSN (Periodical Title): ISSN : 1662-4548
ISSN : 1662-453X
Text Language Code: eng
Subject Heading: white matter pathways
language
sex difference
cingulum-cingulate gyrus supracallosal bundle
corticospinal tract
corpus callosum
forceps minor
Target Audience: 一般
Note (General): Evidence from functional imaging studies points to a role for gender in language ability. However, recent studies suggest that sex differences in the neural basis of language are still unclear, reflecting a complex interaction between sex and language ability. We used diffusion weighted magnetic resonance imaging and global probabilistic tractography to investigate white matter (WM) pathways between 32 male and 35 age- and IQ-matched female adult participants in relation to their verbal abilities. Males showed higher fractional anisotropy (FA) in the left anterior thalamic radiations (ATR), right cingulum-angular bundle, right corticospinal tract, bilateral superior longitudinal fasciculus-temporal terminations, bilateral uncinate fasciculus (UNC), and corpus callosum-forceps minor when compared with the female group. In contrast, females showed higher radial diffusivity (RD) in the left ATR and left UNC when compared to the male group. The relationship between WM metrics and verbal ability also differed across the two groups: a negative correlation between verbal comprehension index (VCI) and FA as well as axial diffusivity (AD) in left cingulum-cingulate gyrus (CCG) supracallosal bundle in males but not in females; a negative correlation between verbal IQ (VIQ) and FA in the right corticospinal tract (CST), and a positive correlation between VCI and RD in corpus callosum-forceps minor in the female but not in the male group. A direct comparison of these correlation coefficients yielded significant differences between the groups for the VCI-AD and VIQ -FA associations. The findings may reflect sex differences in WM related to language ability.
Access Restrictions: 限定公開
Related Material (DOI): 10.3389/fnins.2019.00898
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ