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Welcome to the Sleep and NeuroImaging Center

The Sleep and NeuroImaging Center uses electroencephalography (EEG) and functional magnetic resonance imaging (fMRI) to elucidate the role of sleep in human brain functioning, especially the underlying brain networks that support memory, emotion regulation, aging and clinical sleep disorders.

Our current research mostly focuses on simultaneous EEG-fMRI recordings of light sleep and sleep deprivation conditions, including

(1) Memory consolidation during sleep;
(2) Emotion regulation after sleep deprivation;
(3) Neuroimaging of dreaming (day dream and lucid dream);
(4) Neural dynamics during different stages of sleep;
(5) Brain networks associated with sleep disorders;
(6) Cognitive behavior therapy for insomnia.



May 15, 2020

"Activation and Connectivity within the Default Mode Network Contribute Independently to Future-Oriented Thought", contributed by Xiaoxiao Xu, has been accepted by Scientific Reports. In this work, we found default mode network (DMN) can be divided into two subsystems: anterior part (aDMN) and posterior part (pDMN). During future imaging, the aDMN was preferentially activated when participants reflected on their present states, whereas the pDMN exhibited preferentially activation when participants reflected on their personal future. Congratulation!

May 1, 2018

"Competition between frontoparietal control and default networks supports social working memory and empathy", contributed by Fei Xin, has been accepted by Social Cognitive and Affective Neuroscience. In this work, we found the anti-correlation between large-scale networks was significantly correlated with individual differences in self-reported empathy during higher social load task. Congratulation!

Sep 17, 2016

Dr. Lei have arrived Cambridge, UK today to begin his one year visit in MRC Cognition and Brain Sciences Unit, University of Cambridge. His work will focus on Think/NoThink experiment, and his cooperator is Prof. Michael Anderson (His homepage).

May 24, 2015

"Principles and Techniques of Simultaneous EEG-fMRI" has been published recently by Science Press, Beijing. This book, co-authored by Lei and Yao and written in Chinese, is the first monograph on this subject.

Feb 21, 2014

"Enhanced Brain Small-worldness after Sleep Deprivation: A Compensatory Effect", contributed by Huan Liu, has been accepted by Journal of Sleep Research. In this work, we employed the newly developed complex network to investigate the influence of sleep deprivation. Congratulation!



The Sleep NeuroImaging Center at Southwest University is devoted to the study of human sleep and the brain. In all experiments, we ask that participants bring their eyeglasses if they wear contact lenses or glasses. Participants are asked to sit in a comfortable reclining chair in a sound-proof chamber. There is an intercom system to provide communication with the experimenter. Visual and auditory cues are presented by computer, and the participant is asked to respond by pressing buttons according to specific instuctions (Here is an example: Psychomotor Vigilance Test). To apply to participate in experiments, please find