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Cortisol awakening response predicts intrinsic functional connectivity of the medial prefrontal cortex in the afternoon of the same day
Wu, Jianhui1; Zhang, Shen2,3,4; Li, Wanqing2,3,4; Qin, Shaozheng2,3,4; He, Yong2,3,4; Yang, Zhi1; Buchanan, Tony W.5; Liu, Chao2,3,4; Zhang, Kan1
2015-11-15
发表期刊NEUROIMAGE
ISSN1053-8119
文章类型Article
卷号122期号:0页码:158-165
摘要Cortisol awakening response (CAR) is the cortisol secretory activity in the first 30-60 min immediately after awakening in the morning. Alterations in CAR as a trait have been associated with changes in the brain structure and function. CAR also fluctuates over days. Little, however, is known about the relationship between CAR as a state and brain activity. Using resting-state functional magnetic resonance imaging (fMRI), we investigated whether the CAR predicts intrinsic functional connectivity (FC) of the brain in the afternoon of the same day. Data from forty-nine healthy participants were analyzed. Salivary cortisol levels were assessed immediately after awakening and 15, 30 and 60min after awakening, and resting-state fMRI data were obtained in the afternoon. Global FC strength (FCS) of each voxel was computed to provide a whole-brain characterization of intrinsic functional architecture. Correlation analysis was used to examine whether CAR predicts the intrinsic FC of core brain networks. We observed that the CAR was positively correlated with the FCS of the medial prefrontal cortex (mPFC). Further analysis revealed that higher CAR predicted stronger positive mPFC connectivity with regions in the default mode network. Our findings suggest that the HPA activity after awakening in the early morning may predict intrinsic functional connectivity of mPFC at rest in the afternoon of the same day. (C) 2015 Elsevier Inc. All rights reserved.
关键词Cortisol awakening response Default mode network Medial prefrontal cortex Resting-state fMRI
收录类别SCI
语种英语
WOS记录号WOS:000363125200016
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被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/15306
专题中国科学院行为科学重点实验室
作者单位1.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
2.Beijing Normal Univ, State Key Lab Cognit Neurosci & Learning, Beijing 100875, Peoples R China
3.Beijing Normal Univ, IDG McGovern Inst Brain Res, Beijing 100875, Peoples R China
4.Beijing Normal Univ, Ctr Collaborat & Innovat Brain & Learning Sci, Beijing 100875, Peoples R China
5.St Louis Univ, Dept Psychol, St Louis, MO 63103 USA
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Wu, Jianhui,Zhang, Shen,Li, Wanqing,et al. Cortisol awakening response predicts intrinsic functional connectivity of the medial prefrontal cortex in the afternoon of the same day[J]. NEUROIMAGE,2015,122(0):158-165.
APA Wu, Jianhui.,Zhang, Shen.,Li, Wanqing.,Qin, Shaozheng.,He, Yong.,...&Zhang, Kan.(2015).Cortisol awakening response predicts intrinsic functional connectivity of the medial prefrontal cortex in the afternoon of the same day.NEUROIMAGE,122(0),158-165.
MLA Wu, Jianhui,et al."Cortisol awakening response predicts intrinsic functional connectivity of the medial prefrontal cortex in the afternoon of the same day".NEUROIMAGE 122.0(2015):158-165.
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