Dysfunctional cognitive control and reward processing in adolescents with Internet gaming disorder

2019 ◽  
Vol 57 (2) ◽  
Author(s):  
Qi Li ◽  
Yong Wang ◽  
Zhong Yang ◽  
Weine Dai ◽  
Ya Zheng ◽  
...  
2020 ◽  
pp. 1-13 ◽  
Author(s):  
Guang-Heng Dong ◽  
Min Wang ◽  
Hui Zheng ◽  
Ziliang Wang ◽  
Xiaoxia Du ◽  
...  

Abstract Background Studies of Internet gaming disorder (IGD) suggest an imbalanced relationship between cognitive control and reward processing in people with IGD. However, it remains unclear how these two systems interact with each other, and whether they could serve as neurobiological markers for IGD. Methods Fifty IGD subjects and matched individuals with recreational game use (RGU) were selected and compared when they were performing a cue-craving task. Regions of interests [anterior cingulate cortex (ACC), lentiform nucleus] were selected based on the comparison between brain responses to gaming-related cues and neutral cues. Directional connectivities among these brain regions were determined using Bayesian estimation. We additionally examined the posterior cingulate cortex (PCC) in a separate analysis based on data implicating the PCC in craving in addiction. Results During fixed-connectivity analyses, IGD subjects showed blunted ACC-to-lentiform and lentiform-to-ACC connectivity relative to RGU subjects, especially in the left hemisphere. When facing gaming cues, IGD subjects trended toward lower left-hemispheric modulatory effects in ACC-to-lentiform connectivity than RGU subjects. Self-reported cue-related craving prior to scanning correlated inversely with left-hemispheric modulatory effects in ACC-to-lentiform connectivity. Conclusions The results suggesting that prefrontal-to-lentiform connectivity is impaired in IGD provides a possible neurobiological mechanism for difficulties in controlling gaming-cue-elicited cravings. Reduced connectivity ACC-lentiform connectivity may be a useful neurobiological marker for IGD.


2021 ◽  
Vol 10 (1) ◽  
pp. 99-111
Author(s):  
Lingxiao Wang ◽  
Guochun Yang ◽  
Ya Zheng ◽  
Zhenghan Li ◽  
Yue Qi ◽  
...  

AbstractBackground and aimsInternet gaming disorder (IGD) has become a global health problem. The self-regulation model noted that a shift to reward system, whether due to overwhelming reward-seeking or impaired control, can lead to self-regulation failures, e.g., addiction. The present study focused on the reward processing of IGD, aiming to provide insights into the etiology of IGD. Reward processing includes three phases: reward anticipation, outcome monitoring and choice evaluation. However, it is not clear which phases of reward processing are different between individuals with IGD and healthy controls (HC).MethodsTo address this issue, the present study asked 27 individuals with IGD and 26 HC to complete a roulette task during a functional MRI scan.ResultsCompared with HC, individuals with IGD preferred to take risks in pursuit of high rewards behaviorally and showed exaggerated brain activity in the striatum (nucleus accumbens and caudate) during the reward anticipation and outcome monitoring but not during the choice evaluation.DiscussionThese results reveal that the oversensitivity of the reward system to potential and positive rewards in college students with IGD drives them to approach risky options more frequently although they are able to assess the risk values of options and the correctness of decisions properly as HC do.ConclusionsThese findings provide partial support for the application of the self-regulation model to the IGD population. Moreover, this study enriches this model from the perspective of three phases of reward processing and provides specific targets for future research regarding effective treatment of IGD.


2015 ◽  
Vol 18 (11) ◽  
pp. 661-668 ◽  
Author(s):  
Junghan Lee ◽  
Seojung Lee ◽  
Ji Won Chun ◽  
Hyun Cho ◽  
Dai-jin Kim ◽  
...  

2014 ◽  
Vol 1586 ◽  
pp. 109-117 ◽  
Author(s):  
Lihong Xing ◽  
Kai Yuan ◽  
Yanzhi Bi ◽  
Junsen Yin ◽  
Chenxi Cai ◽  
...  

2017 ◽  
Vol 44 ◽  
pp. 30-38 ◽  
Author(s):  
G. Dong ◽  
H. Li ◽  
L. Wang ◽  
M.N. Potenza

AbstractAlthough playing of Internet games may lead to Internet gaming disorder (IGD), most game-users do not develop problems and only a relatively small subset experiences IGD. Game playing may have positive health associations, whereas IGD has been repeatedly associated with negative health measures, and it is thus important to understand differences between individuals with IGD, recreational (non-problematic) game use (RGU) and non-/low-frequency game use (NLFGU). Individuals with IGD have shown differences in neural activations from non-gamers, yet few studies have examined neural differences between individuals with IGD, RGU and NLFGU. Eighteen individuals with IGD, 21 with RGU and 19 with NFLGU performed a color-word Stroop task and a guessing task assessing reward/loss processing. Behavioral and functional imaging data were collected and compared between groups. RGU and NLFGU subjects showed lower Stroop effects as compared with those with IGD. RGU subjects as compared to those with IGD demonstrated less frontal cortical activation brain activation during Stroop performance. During the guessing task, RGU subjects showed greater cortico-striatal activations than IGD subjects during processing of winning outcomes and greater frontal brain during processing of losing outcomes. Findings suggest that RGU as compared with IGD subjects show greater executive control and greater activations of brain regions implicated in motivational processes during reward processing and greater cortical activations during loss processing. These findings suggest neural and behavioral features distinguishing RGU from IGD and mechanisms by which RGU may be motivated to play online games frequently yet avoid developing IGD.


2019 ◽  
Author(s):  
Jialin Zhang ◽  
Yan Hu ◽  
Ziliang Wang ◽  
Xiaoxia Du ◽  
Guangheng Dong

Abstract Background Many studies have found an interesting issue in the Internet gaming disorder (IGD): males are always observed to be the majority. Explore why males are more vulnerable to IGD than females could help in understanding the underlying neural mechanism of IGD. Methods Data from functional magnetic resonance imaging (fMRI) were collected from 111 subjects (IGD: 29 male, 25 female; recreational gaming use (RGU): 36 male, 21 female) while they were performing a card-guessing task. We collected and compared their brain features when facing the win and loss conditions in different groups. Results For winning conditions, the gender × addiction group interaction results showed hyperactivity in the thalamus, parahippocampal gyrus and hypoactive inferior frontal gyrus (IFG) in the males with IGD relative to females. For lossing conditions, the gender × addiction group interaction results showed that compared to females with IGD, males with IGD showed decreased brain activities in the IFG and lingual gyrus. Conclusions Males and females showed opposite activation patterns in IGD degree and rewards/losses processing. And male IGD subjects are more sensitive to reward and less sensitive to loss than females, which might be the reason for the gender different rates on IGD. Keywords: Internet gaming disorder; Gender; Reward processing; Loss processing


2020 ◽  
Vol 11 ◽  
Author(s):  
Syeda Raiha ◽  
Guochun Yang ◽  
Lingxiao Wang ◽  
Weine Dai ◽  
Haiyan Wu ◽  
...  

Converging evidence indicates that addiction involves impairment in reward processing systems. However, the patterns of dysfunction in different stages of reward processing in internet gaming addiction remain unclear. In previous studies, individuals with internet gaming disorder were found to be impulsive and risk taking, but there is no general consensus on the relation between impulsivity and risk-taking tendencies in these individuals. The current study explored behavioral and electrophysiological responses associated with different stages of reward processing among individuals with internet gaming disorders (IGDs) with a delayed discounting task and simple gambling tasks. Compared to the healthy control (HC) group, the IGD group discounted delays more steeply and made more risky choices, irrespective of the outcome. As for the event-related potential (ERP) results, during the reward anticipation stage, IGDs had the same stimulus-preceding negativity (SPN) for both large and small choices, whereas HCs exhibited a higher SPN in large vs. small choices. During the outcome evaluation stage, IGDs exhibited a blunted feedback-related negativity for losses vs. gains. The results indicate impairment across different stages of reward processing among IGDs. Moreover, we found negative correlation between impulsivity indexed by BIS-11 and reward sensitivity indexed by SPN amplitude during anticipation stage only, indicating different neural mechanisms at different stages of reward processing. The current study helps to elucidate the behavioral and neural mechanisms of reward processing in internet gaming addiction.


2021 ◽  
pp. 102828
Author(s):  
Lingxiao Wang ◽  
Guochun Yang ◽  
Ya Zheng ◽  
Zhenghan Li ◽  
Ping Wei ◽  
...  

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