Ide A, Dolezal C, Fernández M, Labbé E, Mandujano R, Montes S, Segura P, Verschae G, Yarmuch P, Aboitiz F
Programa de Morfología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago.
J Comp Neurol. 1999 Jul 26;410(2):235-42.
We have determined different patterns of fissurization in Broca's area, the gyrus of Heschl, the planum temporale, the inferior parietal lobe, and the cingulate sulcus. Such patterns were asymmetrically distributed, indicating increased folding on the left side in most cases. More folding can sometimes be related to a larger cortical area, resulting in increased processing capacities in the respective brain region. Furthermore, the brain regions associated with the asymmetrical sulci are involved in lateralized functions. Of special interest are the asymmetries observed in regions corresponding to the inferior parietal lobe (the accessory postcentral sulcus and the intraparietal sulcus), which, according to recent studies, is involved in linguistic working memory. We did not detect a tendency of distinct fissurization patterns in a given brain region to be associated with specific patterns in other fissures, indicating that the different fissure types develop independently in each brain region and can therefore be determined by local processes. These descriptions are of relevance to imaging studies that intend to establish correspondences between gross morphology and functional parameters such as behavior and brain activation.
我们已经确定了布罗卡区、颞横回、颞平面、顶下叶和扣带沟不同的脑沟形成模式。这些模式呈不对称分布，表明在大多数情况下左侧脑沟折叠增加。更多的折叠有时可能与更大的皮质区域相关，从而导致相应脑区的处理能力增强。此外，与不对称脑沟相关的脑区参与了功能侧化。特别值得关注的是在对应顶下叶区域（中央后沟副沟和顶内沟）观察到的不对称性，根据最近的研究，该区域参与语言工作记忆。我们没有检测到特定脑区中明显的脑沟形成模式与其他脑沟特定模式之间存在关联的趋势，这表明不同类型的脑沟在每个脑区独立发育，因此可能由局部过程决定。这些描述与旨在建立大体形态与行为和脑激活等功能参数之间对应关系的影像学研究相关。
