Neurobiological mechanisms underlying internet gaming disorder
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IF 8.3 2区 医学 Q1 Medicine Dialogues in Clinical Neuroscience Pub Date : 2020-06-01 DOI:10.31887/DCNS.2020.22.2/aweinstein
Aviv Weinstein, Michel Lejoyeux
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引用次数: 40

Abstract

This review summarizes studies on the neurobiological correlates of internet gaming disorder (IGD), presently the most direct approach to analyzing the impact of digital technology and the internet on brain mechanisms. Brain imaging studies have shown that IGD shares, to a large extent, neurobiological alterations that are typical for other addictions, such as: (i) activation in brain regions associated with reward, as evident from cue exposure and craving studies and neurotransmitter systems studies that indicate an involvement of dopamine-mediated reward mechanisms; (ii) reduced activity in impulse control areas and impaired decision making; and (iii) reduced functional connectivity in brain networks that are involved in cognitive control, executive function, motivation, and reward. Moreover, there are structural changes, mainly reduction in gray-matter volume and white-matter density. Comorbidity studies indicate that executive control networks in attention deficit-hyperactivity disorder (ADHD) may increase the susceptibility to develop IGD. Most importantly, this review also outlines findings that show the effects of excessive use of screens, here referring to the playing of computer games, which activate many brain regions associated with cognitive, motor, and sensory function and not directly involved in other forms of addiction. This review describes and summarizes comprehensively the neurobiological correlates of addictive internet use in adolescents and young adults.
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网络游戏障碍的神经生物学机制
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网络游戏障碍(IGD)是目前分析数字技术和互联网对大脑机制影响的最直接方法,本文综述了网络游戏障碍(IGD)的神经生物学相关研究。脑成像研究表明,在很大程度上,IGD共享其他成瘾的典型神经生物学改变,例如:(i)与奖励相关的大脑区域的激活,从线索暴露和渴望研究以及神经递质系统研究中可以看出,多巴胺介导的奖励机制参与其中;(ii)冲动控制区域活动减少,决策能力受损;(三)大脑网络中涉及认知控制、执行功能、动机和奖励的功能连接减少。此外,还存在结构性变化,主要表现为灰质体积和白质密度的减少。共病研究表明,注意缺陷多动障碍(ADHD)的执行控制网络可能增加患IGD的易感性。最重要的是,这篇综述还概述了过度使用屏幕的影响,这里指的是玩电脑游戏,它激活了与认知、运动和感觉功能相关的许多大脑区域,而与其他形式的成瘾没有直接关系。这篇综述全面地描述和总结了青少年和年轻人成瘾性网络使用的神经生物学相关因素。
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来源期刊
Dialogues in Clinical Neuroscience
Dialogues in Clinical Neuroscience Medicine-Psychiatry and Mental Health
CiteScore
19.30
自引率
1.20%
发文量
1
期刊介绍: Dialogues in Clinical Neuroscience (DCNS) endeavors to bridge the gap between clinical neuropsychiatry and the neurosciences by offering state-of-the-art information and original insights into pertinent clinical, biological, and therapeutic aspects. As an open access journal, DCNS ensures accessibility to its content for all interested parties. Each issue is curated to include expert reviews, original articles, and brief reports, carefully selected to offer a comprehensive understanding of the evolving landscape in clinical neuroscience. Join us in advancing knowledge and fostering dialogue in this dynamic field.
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