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Brain spontaneous functional connectivity and intelligence
Song, Ming2; Zhou, Yuan2; Li, Jun2; Liu, Yong2; Tian, Lixia3; Yu, Chunshui1; Jiang, Tianzi2
Source PublicationNEUROIMAGE
2008-07-01
Volume41Issue:3Pages:1168-1176
SubtypeArticle
AbstractMany 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.
KeywordFunctional Mri (fMri) Intelligence Spontaneous Brain Activity Functional Connectivity
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS KeywordGENERAL INTELLIGENCE ; PREFRONTAL CORTEX ; FLUID INTELLIGENCE ; COMPONENT ANALYSIS ; DATA SETS ; FMRI ; NETWORKS ; PERFORMANCE ; ACTIVATION ; SYSTEMS
Indexed BySCI
Language英语
WOS Research AreaNeurosciences & Neurology ; Radiology, Nuclear Medicine & Medical Imaging
WOS SubjectNeurosciences ; Neuroimaging ; Radiology, Nuclear Medicine & Medical Imaging
WOS IDWOS:000256271700042
Citation statistics
Cited Times:140[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/9580
Collection09年以前成果
Affiliation1.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
First Author AffilicationChinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100190, Peoples R China
Recommended Citation
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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