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Associations between cortisol awakening response and resting electroencephalograph asymmetry
Duan, Hongxia1; Fang, Huihua1; Zhang, Yuling2; Shi, Xia3; Zhang, Liang4
First AuthorDuan, Hongxia
2019-06-03
Source PublicationPEERJ
Correspondent Emailhongxia duan, duanhx@szu.edu.cn
ISSN2167-8359
Subtypearticle
Volume7Pages:17
Contribution Rank4
Abstract

The cortisol awakening response (CAR), a rapid cortisol rise in the morning after awakening, has been proposed to provide energy to cope with daily demands and suggested to be associated with brain functions. Electroencephalogram (EEG) asymmetry studies have implicated asymmetric cortical activation, especially in frontal cortex, in approach-withdrawal motivation. In this study, we examined the relationship between the CAR and lateralized cortical activity under rest in 55 university male students. Saliva samples were collected at 0, 15, 30 and 60 min after awakening on the two consecutive workdays. The lateralized cortical activity at frontocentral sites was examined by alpha asymmetry score. The results showed that a higher CAR was positively associated with alpha asymmetry score, which indicated that the higher CAR is linked with more left-sided cortical activity at frontocentral sites under resting state. This association still existed even after controlling psychological and sleep quality variables. These results suggested that appropriately mobilizing energy resource storage after awakening revealed as CAR might be associated with goal-directed approach tendencies before any eventual stressful situation, characteristic of more left than right resting-state frontocentral cortical activity.

KeywordCortisol awakening response EEG Alpha Asymmetry
DOI10.7717/peerj.7059
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Plan ; Natural Science Foundation of SZU
Funding ProjectNational Natural Science Foundation of China[31771246] ; National Key Research and Development Plan[2018YFC0831101] ; Natural Science Foundation of SZU[000174]
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000469908600005
PublisherPEERJ INC
WOS KeywordFRONTAL BRAIN ASYMMETRY ; UNDER-THE-CURVE ; EEG ASYMMETRY ; INDIVIDUAL-DIFFERENCES ; DELTA OSCILLATIONS ; EMOTION REGULATION ; DIURNAL CORTISOL ; ACADEMIC STRESS ; LATERALIZATION ; PERFORMANCE
Citation statistics
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/29359
Collection中国科学院行为科学重点实验室
Corresponding AuthorDuan, Hongxia
Affiliation1.Shenzhen Univ, Shenzhen Key Lab Affect & Social Cognit Sci, Ctr Brain Disorder & Cognit Sci, Shenzhen, Guangdong, Peoples R China
2.Zaoyang First Peoples Hosp, Zaoyang, Hubei, Peoples R China
3.Tianjin Univ Technol & Educ, Dept Psychol, Tianjin, Peoples R China
4.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Duan, Hongxia,Fang, Huihua,Zhang, Yuling,et al. Associations between cortisol awakening response and resting electroencephalograph asymmetry[J]. PEERJ,2019,7:17.
APA Duan, Hongxia,Fang, Huihua,Zhang, Yuling,Shi, Xia,&Zhang, Liang.(2019).Associations between cortisol awakening response and resting electroencephalograph asymmetry.PEERJ,7,17.
MLA Duan, Hongxia,et al."Associations between cortisol awakening response and resting electroencephalograph asymmetry".PEERJ 7(2019):17.
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