title: MRI correlates of interaction between gender and expressive suppression among the Chinese population.
abstract: Expressive suppression is a kind of emotion regulation strategies by suppressing behaviors related to emotional responding. Despite the amount of behavioral research on expressive suppression, the structural and functional mechanisms underlying the interaction between gender and expressive suppression in Chinese healthy subjects have remained unknown. In the current study, we assessed the levels of expressive suppression and acquired the structural and functional imaging data from 273 Chinese individuals. A nearly automatic cortical processing technique was used to calculate cortical thickness for each subject. The results from cortical thickness analyses revealed a significant interaction between gender and expressive suppression in the superior frontal gyrus. Then, we conducted the whole-brain functional connectivity analysis with the seed of the superior frontal gyrus to explore the functionally related regions of brain. Subsequent analysis of the interaction between gender and expressive suppression indicated a significant functional connectivity between the superior frontal gyrus and default mode network (DMN) core regions, including the medial prefrontal cortex, precuneus and parahippocampal gyrus. Our results provided the robust empirical evidence illustrating the role of the superior frontal gyrus and DMN in gender difference of expressive suppression among the Chinese population. These findings might have implications for understanding gender difference in emotion processing and regulation.
authors.affiliation: Key Laboratory of Cognition and Personality (Southwest University), Ministry of Education, Chongqing 400715, China; Faculty of Psychology, Southwest University, Chongqing 400715, China.
authors.forename: Kangcheng
authors.initials: K
authors.lastname: Wang
authors.affiliation: Key Laboratory of Cognition and Personality (Southwest University), Ministry of Education, Chongqing 400715, China; Faculty of Psychology, Southwest University, Chongqing 400715, China.
authors.forename: Hui
authors.initials: H
authors.lastname: Huang
authors.affiliation: The Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China.
authors.forename: Li
authors.initials: L
authors.lastname: Chen
authors.affiliation: Key Laboratory of Cognition and Personality (Southwest University), Ministry of Education, Chongqing 400715, China; Faculty of Psychology, Southwest University, Chongqing 400715, China.
authors.forename: Xin
authors.initials: X
authors.lastname: Hou
authors.affiliation: School of Foreign Languages, Southwest University of Political Science and Law, Chongqing 401120, China.
authors.forename: Yong
authors.initials: Y
authors.lastname: Zhang
authors.affiliation: Key Laboratory of Cognition and Personality (Southwest University), Ministry of Education, Chongqing 400715, China; Faculty of Psychology, Southwest University, Chongqing 400715, China.
authors.forename: Junyi
authors.initials: J
authors.lastname: Yang
authors.affiliation: State Key Laboratory of Cognitive Neuroscience and Learning and International Digital Group/McGovern Institute for Brain Research, Beijing Normal University, Beijing 100875, China.
authors.forename: Xin
authors.initials: X
authors.lastname: Hao
authors.affiliation: Key Laboratory of Cognition and Personality (Southwest University), Ministry of Education, Chongqing 400715, China; Faculty of Psychology, Southwest University, Chongqing 400715, China. Electronic address: qiuj318@swu.edu.cn.
authors.forename: Jiang
authors.initials: J
authors.lastname: Qiu
mesh_terms: D000293:Adolescent; D000328:Adult; D044466:Asian People; D001921:Brain / Q000033:anatomy & histology* / Q000502:physiology*; D001931:Brain Mapping; D002540:Cerebral Cortex / Q000033:anatomy & histology / Q000502:physiology; D004644:Emotions / Q000502:physiology*; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D009434:Neural Pathways / Q000033:anatomy & histology / Q000502:physiology; D017397:Prefrontal Cortex / Q000033:anatomy & histology* / Q000502:physiology*; D012737:Sex Factors; D055815:Young Adult
keywords: default mode network; expressive suppression; gender difference; parahippocampal gyrus; superior frontal gyrus