Analyzing the association between functional connectivity of the brain and intellectual performance

被引：57

作者：

Pamplona, Gustavo S. P. ^{[1
]}

Santos Neto, Gerson S. ^{[2
]}

Rosset, Sara R. E. ^{[2
]}

Rogers, Baxter P. ^{[3
]}

Salmon, Carlos E. G. ^{[1
]}

机构：

[1] Univ Sao Paulo, Fac Philosophy Sci & Letters Ribeirao Preto, Dept Phys, InBrain Lab, BR-14040900 Sao Paulo, Brazil

[2] Univ Sao Paulo, Fac Med Ribeirao Preto, BR-14040900 Sao Paulo, Brazil

[3] Vanderbilt Univ, Inst Imaging Sci, Dept Biomed Engn, Dept Radiol & Radiol Sci, Nashville, TN 37235 USA

来源：

FRONTIERS IN HUMAN NEUROSCIENCE | 2015年 / 9卷

关键词：

functional connectivity; fMRI; network parameters; intelligence; Wechsler intelligence scales; exploratory data analysis; GRAPH-THEORETICAL ANALYSIS; SMALL-WORLD; NETWORKS; INTELLIGENCE; SINGLE; CORTEX;

D O I：

10.3389/fnhum.2015.00061

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

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.

引用

页数：11

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