Analyzing the association between functional connectivity of the brain and intellectual performance.
Analyzing the association between functional connectivity of the brain and intellectual performance.
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DOI：
10.3389/fnhum.2015.00061
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发表时间：
2015
影响因子：
2.9
通讯作者：
Salmon CE
中科院分区：
文献类型：
--
作者：
Pamplona GS;Santos Neto GS;Rosset SR;Rogers BP;Salmon CE
功能连接的测量支持这样一个假设，即大脑是由不同的网络组成的，这些网络具有解剖学上分离的节点，但具有共同的功能。一些研究表明，智力表现可能与额顶骨网络中更大的功能连接性和更高的整体效率有关。在这项功能性磁共振成像研究中，我们进行了探索性分析的大脑的功能连接和智力得分之间的关系，来自葡萄牙语版本的韦氏成人智力量表（WAIS-III）的样本中的29人，出生和成长在巴西。我们检查了82个区域之间的功能连接，包括整个网络的图论性质。一些以前的研究结果扩展到葡萄牙语人口，特别是存在的小世界组织的大脑和智力与额叶，中央前叶，顶叶，枕叶，梭状回和缘上回，尾状核的连接的关系。一项新的发现是，言语理解与全球网络效率有关。
Measurements of functional connectivity support the hypothesis that the brain is composed of distinct networks with anatomically separated nodes but common functionality. A few studies have suggested that intellectual performance may be associated with greater functional connectivity in the fronto-parietal network and enhanced global efficiency. In this fMRI study, we performed an exploratory analysis of the relationship between the brain's functional connectivity and intelligence scores derived from the Portuguese language version of the Wechsler Adult Intelligence Scale (WAIS-III) in a sample of 29 people, born and raised in Brazil. We examined functional connectivity between 82 regions, including graph theoretic properties of the overall network. Some previous findings were extended to the Portuguese-speaking population, specifically the presence of small-world organization of the brain and relationships of intelligence with connectivity of frontal, pre-central, parietal, occipital, fusiform and supramarginal gyrus, and caudate nucleus. Verbal comprehension was associated with global network efficiency, a new finding.
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