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sleep deprivation reorganizes the dynamic configurations of default mode network activity during recovery sleep

Science China(Technological Sciences) 2022年第7期65卷 1456-1469页

作者： CUI Yan WU ShengDun ZHAO Shi LONG TianYao JIAN ZhaoXin YU Shuang ZHANG Ge BISWAL Bharat GUO DaQing XIA Yang YAO DeZhong The Clinical Hospital of Chengdu Brain Science Institute MOE Key Lab for Neuro InformationCentre for Information in MedicineSchool of Life Science and TechnologyUniversity of Electronic Science and Technology of ChinaChengdu 611731China Department of Neurosurgery Sichuan Provincial People's HospitalUniversity of Electronic Science and Technology of ChinaChengdu 610072China Chinese Academy of Sciences Sichuan Translational Medicine Research HospitalChengdu 610072China Research Unit of Neuro Information(2019RU035) Chinese Academy of Medical SciencesChengdu 611731China Department of Biomedical Engineering New Jersey Institute of TechnologyNewarkNew Jersey 07102USA School of Electrical Engineering Zhengzhou UniversityZhengzhou 450001China

sleep deprivation causes disturbances of the neural activity, leading to the impairment of brain functions. However, the exact mechanism of sleep deprivation and how it affects the dynamics of brain activity during the recovery sleep remains unclear. In the current study, we performed sleep deprivation experiments on ten adult rats, and recorded the local field potentials from default mode network(DMN) regions during sleep before and after sleep deprivation. The DMN dynamics was assessed with the configurations of coactive micropatterns(CAMPs) using our previously proposed CAMP method. Our analysis revealed that the effects of sleep deprivation on DMN dynamics in the slow-wave sleep(SWS) state and the rapid eye-movement sleep(REM)state were disparate. Dynamic configurations of DMN activity in the SWS state were significantly impaired after sleep deprivation, with increased occurrence of low-activity CAMP and reorganized transition structure across three CAMPs. Moreover,enhanced functional connectivity and improved efficiencies in all CAMP networks were observed during the SWS state in the recovery sleep. However, there were no significant alterations in either DMN dynamics or CAMP network structures in the REM sleep state after sleep deprivation. Our results described the alterations of DMN dynamics in different sleep states after sleep deprivation, and illustrated the differential effects of sleep deprivation on two sleep states. These findings demonstrated the underlying neural mechanisms of the effects of sleep deprivation on DMN activity during sleep and increased our understanding of the physiological roles of the DMN in maintain sleep homeostasis after sleep deprivation.

关键词： sleep deprivation sleep state default mode network coactive micropattern dynamic configuration efficiency

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Effects of positive psychological control intervention on sleep and psychology of officers and soldiers working at sea

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World Journal of Psychiatry 2024年第10期14卷 1538-1546页

作者： Yu-Qing Liu Jian-Liang Sun Mei Jing Guo-Xiang Liu Jie Shi Xue-Wei Zhu Fei Wang Mei-Hua Ye Department of Emergency Medicine Naval Specialty Medical CenterShanghai 200052China Department of Nursing Naval Medical UniversityShanghai 200052China Department of Disease Control and Prevention Naval Medical Center of PLANaval Medical UniversityShanghai 200052China

BACKGROUND The working environment of submarine crews is also very *** are in a closed,high-temperature,high-noise,high-vibration and narrow working and living space for a long time,and they suffer from physical discomfort caused by seasickness,which will affect the mental health of officers and *** psychologists have achieved positive results in psychological resilience training for officers and soldiers from the perspective of positive *** present,there are few reports on the correlation between psychological resilience in the field of domestic research on submarine crew psychology,and it is necessary to conduct further *** A total of 121 soldiers working in a confined space of a large ship were randomly divided into an experimental group and a control *** 50 soldiers in the experimental group were given a training course intervention,while the 71 soldiers in the control group did not receive any intervention *** Pittsburgh sleep Quality Index,Psychological Resilience Scale,military Psycho-logical Stress Self-Assessment Questionnaire,and General Self-Efficacy Scale scores were compared before and 6 months after the *** Under the positive psychological control intervention,except for sleep efficiency(P=0.05),the difference between the remaining dimensions of the Pittsburgh sleep Quality Index scores and the total scores of the experimental group compared with the control group was statistically significant(Psleep state and psychologica

关键词： Active psychological control intervention Officers and soldiers sleep state Mentality Effect

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