Brain responses to positive and negative events in individuals with internet gaming disorder during real gaming

被引:6
|
作者
Zhang, Zhengjie [1 ,2 ,3 ]
Wang, Shizhen [1 ,2 ,3 ]
Du, Xiaoxia [4 ]
Qi, Yanyan [5 ]
Wang, Lingxiao [1 ,2 ,3 ]
Dong, Guang-heng [6 ]
机构
[1] Hangzhou Normal Univ, Affiliated Hosp, Ctr Cognit & Brain Disorders, Hangzhou, Zhejiang, Peoples R China
[2] Hangzhou Normal Univ, Inst Psychol Sci, Hangzhou, Zhejiang, Peoples R China
[3] Zhejiang Key Lab Res Assessment Cognit Impairments, Hangzhou, Zhejiang, Peoples R China
[4] Shanghai Univ Sport, Sch Psychol, Shanghai, Peoples R China
[5] Zhengzhou Univ, Sch Educ, Dept Psychol, Zhengzhou, Peoples R China
[6] Yunnan Normal Univ, Dept Psychol, Kunming, Yunnan, Peoples R China
关键词
internet gaming disorder; real gaming; recreational game use; fMRI; regulation of craving; regulation of negative emotions; DORSOLATERAL PREFRONTAL CORTEX; RISKY DECISION-MAKING; PSYCHOMETRIC PROPERTIES; FUNCTIONAL CONNECTIVITY; COGNITIVE CONTROL; DORSAL STRIATUM; CUE REACTIVITY; ADDICTION; REWARD; EMOTION;
D O I
10.1556/2006.2023.00039
中图分类号
R749 [精神病学];
学科分类号
100205 ;
摘要
Objective: This study sought to investigate brain responses to positive and negative events in individuals with internet gaming disorder (IGD) during real gaming as a direct assessment of the neural features of IGD. This investigation reflects the neural deficits in individuals with IGD while playing games, providing direct and effective targets for prevention and treatment of IGD. Methods: Thirty subjects with IGD and fifty-two matched recreational game use (RGU) subjects were scanned while playing an online game. Abnormal brain activities during positive and negative events were detected using a general linear model. Functional connectivity (FC) and correlation analyses between neural features and addiction severity were conducted to provide additional support for the underlying neural features. Results: Compared to the RGU subjects, the IGD subjects exhibited decreased activation in the dorsolateral prefrontal cortex (DLPFC) during positive events and decreased activation in the middle frontal gyrus (MFG), precentral gyrus and postcentral gyrus during negative events. Decreased FC between the DLPFC and putamen during positive events and between the MFG and amygdala during negative events were observed among the IGD subjects. Neural features and addiction severity were significantly correlated. Conclusions: Individuals with IGD exhibited deficits in regulating game craving, maladaptive habitual gaming behaviors and negative emotions when experiencing positive and negative events during real game-playing compared to RGU gamers. These abnormalities in neural substrates during real gaming provide direct evidence for explaining why individuals with IGD uncontrollably and continuously engage in game playing, despite negative consequences.
引用
收藏
页码:758 / 774
页数:17
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