沟盆地和沟串是描述人类皮层地形的新概念

G. Lohmann, D. V. Cramon
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引用次数: 17

摘要

人脑制图旨在建立脑功能与脑解剖之间的对应关系。这一领域最有趣的问题之一是人类神经解剖学的高度人际变异性,这使得跨许多学科的研究非常困难。皮层褶皱(“脑沟”)通常作为标志,有助于建立受试者之间的对应关系。在这里,作者提出了一种利用应用于人脑磁共振数据的图像分析方法自动检测并赋予皮层褶皱神经解剖学名称的方法。作者认为,皮质褶皱可以再细分为许多亚构造,他们称之为槽状盆地。在引入“沟串”概念的基础上,提出了“沟串”的概念,即与Sylvian裂和半球间裂排列成串的一组沟串。海槽盆地的概念允许将皮质表面完全分割成单独的区域。这些区域在神经解剖学上是有意义的,可以从许多受试者的MR数据集中识别出来。与此同时,这种包裹足够详细,可以用于绘制大脑地图。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Sulcal basins and sulcal strings as new concepts for describing the human cortical topography
Human brain mapping aims at establishing correspondences between brain function and brain anatomy. One of the most intriguing problems in this field is the high inter-personal variability of human neuroanatomy which makes studies across many subjects very difficult. The cortical folds ("sulci") often serve as landmarks that help to establish correspondences between subjects. Here, the authors present a method that both automatically detects and attributes neuroanatomical names to the cortical folds using image analysis methods applied to magnetic resonance data of human brains. The authors claim that the cortical folds can be subdivided into a number of substructures which they call sulcal basins. In addition to the concept of sulcal basins, the authors introduce the concept of sulcal strings which are groups of sulcal basins arranged as strings that are aligned with the Sylvian fissure and the inter-hemispheric cleft. The concept of sulcal basins allows to establish a complete parcellation of the cortical surface into separate regions. These regions are neuroanatomically meaningful and can be identified from MR data sets across many subjects. At the same time, the parcellation is detailed enough to be useful for brain mapping purposes.
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