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The relationship within and between the extrinsic and intrinsic systems indicated by resting state correlational patterns of sensory cortices
Tian, Lixia; Jiang, Tianzi; Liu, Yong; Yu, Chunshui; Wang, Kun; Zhou, Yuan; Song, Ming; Li, Kuncheng
Source PublicationNEUROIMAGE
2007-07-01
Volume36Issue:3Pages:684-690
SubtypeArticle
AbstractMuch Research has been done on extrinsic and intrinsic systems, which consist of brain regions associated with the processing of externally and internally oriented stimuli, respectively. However, understanding of the underlying relationships within and between these two systems is relatively limited. To improve our understanding of these underlying relationships, we investigated the positive and negative correlations of three regions of interest (ROIs) located in the auditory, visual and somatosensory systems by using resting state functional MRI (fMRI) with a large sample size. We found that all three sensory systems exhibited significant negative correlation with the intrinsic system. In contrast, positive correlations between these sensory cortices and brain regions outside their respective system were limited. The present study extended former findings by indicating that multiple subsystems rather than a single subsystem of the extrinsic system are inherently negatively correlated with the intrinsic system. We suggest that these negative correlations between the extrinsic and intrinsic systems may explain the phenomenon that externally and internally oriented processes can always disturb or even interrupt each other. (c) 2007 Elsevier Inc. All rights reserved.
KeywordNegative Correlation Default Mode Network Functional Mri (fMri)
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS KeywordFUNCTIONAL CONNECTIVITY ; DEFAULT-MODE ; BRAIN-FUNCTION ; CEREBRAL-CORTEX ; NETWORKS ; TASK ; SELF ; DEACTIVATION ; FLUCTUATIONS ; HYPOTHESIS
Indexed BySCI
Language英语
WOS Research AreaNeurosciences & Neurology ; Radiology, Nuclear Medicine & Medical Imaging
WOS SubjectNeurosciences ; Neuroimaging ; Radiology, Nuclear Medicine & Medical Imaging
WOS IDWOS:000247634400017
Citation statistics
Cited Times:56[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/9490
Collection09年以前成果
Affiliation1.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China
2.Beijing Jiaotong Univ, Sch Comp & Informat Technol, Dept Biomed Engn, Beijing 100044, Peoples R China
3.Capital Univ Med Sci, Xuanwu Hosp, Dept Radiol, Beijing 100053, Peoples R China
Recommended Citation
GB/T 7714
Tian, Lixia,Jiang, Tianzi,Liu, Yong,et al. The relationship within and between the extrinsic and intrinsic systems indicated by resting state correlational patterns of sensory cortices[J]. NEUROIMAGE,2007,36(3):684-690.
APA Tian, Lixia.,Jiang, Tianzi.,Liu, Yong.,Yu, Chunshui.,Wang, Kun.,...&Li, Kuncheng.(2007).The relationship within and between the extrinsic and intrinsic systems indicated by resting state correlational patterns of sensory cortices.NEUROIMAGE,36(3),684-690.
MLA Tian, Lixia,et al."The relationship within and between the extrinsic and intrinsic systems indicated by resting state correlational patterns of sensory cortices".NEUROIMAGE 36.3(2007):684-690.
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