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Brain spontaneous functional connectivity and intelligence
Song, Ming2; Zhou, Yuan2; Li, Jun2; Liu, Yong2; Tian, Lixia3; Yu, Chunshui1; Jiang, Tianzi2
2008-07-01
发表期刊NEUROIMAGE
卷号41期号:3页码:1168-1176
文章类型Article
摘要Many functional imaging studies have been performed to explore the neural basis of intelligence by detecting brain activity changes induced by intelligence-related tasks, such as reasoning or working memory. However, little is known about whether the spontaneous brain activity at rest is relevant to the differences in intelligence. Here, 59 healthy adult subjects (Wechsler Adult Intelligence Scale score, 90-138) were studied with resting state fMRI. We took the bilateral dorsolateral prefrontal cortices (DLPFC) as the seed regions and investigated the correlations across subjects between individual intelligence scores and the strength of the functional connectivity (FC) between the seed regions and other brain regions. We found that the brain regions in which the strength of the FC significantly correlated with intelligence scores were distributed in the frontal, parietal, occipital and limbic lobes. Stepwise linear regression analysis also revealed that the FCs within the frontal lobe and between the frontal and posterior brain regions were both important predictive factors for the differences in intelligence. These findings support a network view of intelligence, as suggested in previous studies. More importantly, our findings suggest that brain activity may be relevant to the differences in intelligence even in the resting state and in the absence of an explicit cognitive demand. This could provide a new perspective for understanding the neural basis of intelligence. (C) 2008 Elsevier Inc. All rights reserved.
关键词Functional Mri (fMri) Intelligence Spontaneous Brain Activity Functional Connectivity
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]GENERAL INTELLIGENCE ; PREFRONTAL CORTEX ; FLUID INTELLIGENCE ; COMPONENT ANALYSIS ; DATA SETS ; FMRI ; NETWORKS ; PERFORMANCE ; ACTIVATION ; SYSTEMS
收录类别SCI
语种英语
WOS研究方向Neurosciences & Neurology ; Radiology, Nuclear Medicine & Medical Imaging
WOS类目Neurosciences ; Neuroimaging ; Radiology, Nuclear Medicine & Medical Imaging
WOS记录号WOS:000256271700042
引用统计
被引频次:130[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9580
专题09年以前成果
作者单位1.Capital Med Univ, Xuanwu Hosp, Dept Radiol, Beijing 100053, Peoples R China
2.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China
3.Beijing Jiaotong Univ, Sch Comp & Informat Technol, Dept Biomed Engn, Beijing 100044, Peoples R China
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GB/T 7714
Song, Ming,Zhou, Yuan,Li, Jun,et al. Brain spontaneous functional connectivity and intelligence[J]. NEUROIMAGE,2008,41(3):1168-1176.
APA Song, Ming.,Zhou, Yuan.,Li, Jun.,Liu, Yong.,Tian, Lixia.,...&Jiang, Tianzi.(2008).Brain spontaneous functional connectivity and intelligence.NEUROIMAGE,41(3),1168-1176.
MLA Song, Ming,et al."Brain spontaneous functional connectivity and intelligence".NEUROIMAGE 41.3(2008):1168-1176.
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