与语言相关的大脑区域的半球不对称
Daniel Panszczyk1, Caitlin Dale1, Florian Kurth2
1School of Psychology, University of Auckland, Auckland, New Zealand.
Brain research
|March 29, 2025
概括
在532名老年人中检查了语言区域的大脑不对称性. 结果显示皮质体积和厚度的特定左向和右向不对称性,为临床比较提供了规范性参考.
科学领域:
- 神经成像是一种神经成像.
- 人类大脑解剖学 人类大脑解剖学
- 神经学 神经学
背景情况:
- 结构性大脑不对称性得到了充分证实,但在研究中不一致.
- 以前的研究经常使用小样本或专注于年轻人群.
- 了解老化中的大脑不对称性对于神经健康至关重要.
研究的目的:
- 在一个大样本的老年人中调查与语言相关的区域的大脑不对称性.
- 在健康的衰老中建立大脑不对称性的规范性数据.
- 为了比较皮质体积,表面积和厚度的发现.
主要方法:
- 对532名神经健康的老年人 (平均年龄67岁) 脑部不对称性的分析.
- 专注于与语言相关的皮质区域.
- 使用神经成像技术评估皮质体积,表面积和厚度.
主要成果:
- 在体积/表面积上观察到对上旋,上旋,上边缘旋,骨干旋,横向旋和时旋的显著左向不对称.
- 帕斯三角形在体积/表面积方面显示出明显的向右不对称.
- 在帕斯三角体厚度中检测到向左不对称,而上神经则表现出向右不对称的厚度.
结论:
- 在老年人的语言区域中建立了结构不对称性的特定模式.
- 为健康衰老中的大脑不对称提供了规范框架.
- 突出显示皮质体积/表面积和厚度之间的不同不对称模式.
关键词:
不对称的不对称性布罗卡 (Broca) 是一种.人类 人类 人类 人类 人类语言 语言 语言 语言侧面化是一种侧面化.磁共振成像技术 磁共振成像技术维尼克·韦尔尼克 (Wernicke) 是一个更多相关视频
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