2016
DOI: 10.1097/wnr.0000000000000584 View full text |Buy / Rent full text
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Abstract: Internet gaming disorder is defined as excessive and compulsive use of the internet to engage in games that leads to clinically significant psychosocial impairment. We tested the hypothesis that individuals with internet gaming disorder would be less sensitive to high-risk situations and show aberrant brain activation related to risk prediction processing. Young adults with internet gaming disorder underwent functional MRI while performing a risky decision-making task. The healthy control group showed stronger… Show more

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“…Lower functional connectivity of executive control networks along with impaired executive functions were described in individuals with IGD . Compared with healthy individuals, the anterior insula and the dorsolateral prefrontal cortex are less activated during decision‐making tasks in patients with IGD . In addition, the volume of the striatum is increased in patients with IGD, which relates to impaired cognitive control .…”
Section: Resultsmentioning
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“…Lower functional connectivity of executive control networks along with impaired executive functions were described in individuals with IGD . Compared with healthy individuals, the anterior insula and the dorsolateral prefrontal cortex are less activated during decision‐making tasks in patients with IGD . In addition, the volume of the striatum is increased in patients with IGD, which relates to impaired cognitive control .…”
Section: Resultsmentioning
“…80 Compared with healthy individuals, the anterior insula and the dorsolateral prefrontal cortex are less activated during decision-making tasks in patients with IGD. 81,82 In addition, the volume of the striatum is increased in patients with IGD, which relates to impaired cognitive control. 83,84 Decreased inhibition of impulsivity entails the disability to control compulsive gaming despite serious negative consequences.…”
Section: Internal Factorsmentioning
“…The increased functional connection between the left frontoparietal network and anterior insula predicts steeper devaluation of delayed rewards in smokers (Clewett et al 2014). Some IGD studies focused on this area have shown that impaired anterior insular activation is associated with poor risky decision making (Lee et al 2016), and increased insular cortical thickness is associated with symptom severity in IGD (Wang et al 2018). Our findings also provide evidence that the insula contributes to how addicted individuals feel (craving), remember, control, and make decisions about (risk-reward decision) their addictive behaviors (Naqvi and Bechara 2010).…”
Section: Accepted Manuscriptmentioning
“…The decision-making process is a diagnostic feature of addiction and may be a possible cognitive mechanism through which the insular contributes to addiction. The relationship between addiction and decision making under either uncertainty (known outcome) or certainty (unknown outcome) has been established by previous research ( Claus et al, 2018 , Lee et al, 2016 ). The importance of decision making during in certainty conditions has recently attracted increasing attention because it is very similar to the state of addiction (addicts know there will be serious consequences in the future) ( Miedl et al, 2015 ).…”
Section: Introductionmentioning