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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
2007-07-01
发表期刊NEUROIMAGE
卷号36期号:3页码:684-690
文章类型Article
摘要Much 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.
关键词Negative Correlation Default Mode Network Functional Mri (fMri)
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]FUNCTIONAL CONNECTIVITY ; DEFAULT-MODE ; BRAIN-FUNCTION ; CEREBRAL-CORTEX ; NETWORKS ; TASK ; SELF ; DEACTIVATION ; FLUCTUATIONS ; HYPOTHESIS
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:000247634400017
引用统计
被引频次:56[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/173211/9490
专题09年以前成果
作者单位1.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
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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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