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[天才人群大脑额叶的细胞构筑特征]

[The cytoarchitectonic characteristics of the frontal fields of the brain in gifted people].

作者信息

Orzhekhovskaia N S

出版信息

Morfologiia. 1996;109(3):7-9.

PMID:8983488
Abstract

Frontal area fields 8 and 47 were studied in gifted people of different age using series of frontal paraffin slices. Neuronal parameters were detected. Density of localization was determined in neurons and gliocytes including perineuronal ones and also in lipofuscin, containing neurons and those surrounded with satellite gliocytes. Relation of the latter to general number of pyramidal neurons in layers 3 and 5 of cortical fields (index HC/C) was defined so as the thickness of cortex and its certain layers. Brain of the same age common people served as the control. The sum total of characters determined (both general and individual) and especially the neuroglial system state (more than double increase against the control with HC/H index) exceeds both age and individual variability and is probably typical for the frontal area of exceptionally gifted people and is not dependent on age and type of brightness.

摘要

利用一系列额叶石蜡切片,对不同年龄段的天才人群的额叶区域8区和47区进行了研究。检测了神经元参数。确定了神经元、神经胶质细胞(包括神经元周围的神经胶质细胞)以及含有脂褐素的神经元和被卫星神经胶质细胞包围的神经元的定位密度。确定了后者与皮质区域3层和5层锥体神经元总数的关系(HC/C指数)以及皮质及其特定层的厚度。同年龄普通人的大脑作为对照。所确定特征的总和(包括一般特征和个体特征),尤其是神经胶质系统状态(HC/H指数比对照增加了两倍多)超过了年龄和个体变异性,可能是超常天才人群额叶区域的典型特征,且不依赖于年龄和智力类型。

相似文献

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2
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引用本文的文献

1
Variability in the structure of field 39 of the lower parietal area of the cortex in the left and right hemispheres of adult human brains.成人大脑左右半球皮质下顶叶区域39区结构的变异性。
Neurosci Behav Physiol. 2004 May;34(4):363-7. doi: 10.1023/b:neab.0000018748.69218.76.