Department of Psychology, Zhejiang Normal University, Jinhua, Zhejiang Province; Institute of Psychological and Brain Sciences, Zhejiang Normal University, Jinhua, Zhejiang Province.
Department of Psychology, Zhejiang Normal University, Jinhua, Zhejiang Province.
Biol Psychiatry Cogn Neurosci Neuroimaging. 2017 Jul;2(5):404-412. doi: 10.1016/j.bpsc.2017.01.002. Epub 2017 Jan 25.
Internet gaming disorder (IGD) has been proposed as a behavioral addiction warranting additional investigation. Craving is considered a core component of addictions. However, few studies to date have investigated craving in IGD. In the current study, we investigated how gaming was associated with changes in response to gaming-related stimuli in subjects with IGD and those with recreational game use (RGU).
Behavioral and functional magnetic resonance imaging data were collected from 27 individuals with IGD and 43 individuals with RGU. Subjects' craving responses to gaming-related stimuli were measured before and after 30 minutes of gaming.
The comparison between post- and pregaming measures showed that for IGD, gaming was associated with increased craving and increased brain activation of the lateral and prefrontal cortex, the striatum, and the precuneus when exposed to gaming-related stimuli. In individuals with RGU, no enhanced brain activity was observed.
These results suggest that gaming behavior enhances craving responses in subjects with IGD but not in subjects with RGU, provide insight into potential mechanisms underlying IGD, and suggest behavioral and neurobiological targets for IGD-related interventions.
网络成瘾障碍(IGD)已被提议作为一种需要进一步研究的行为成瘾。成瘾的核心组成部分被认为是渴望。然而,迄今为止,很少有研究调查 IGD 中的渴望。在目前的研究中,我们研究了在 IGD 患者和娱乐性游戏使用(RGU)患者中,游戏如何与对与游戏相关刺激的反应变化相关联。
从 27 名 IGD 患者和 43 名 RGU 患者中收集了行为和功能磁共振成像数据。在 30 分钟的游戏后,测量了受试者对与游戏相关刺激的渴望反应。
前后测比较显示,对于 IGD,当暴露于与游戏相关的刺激时,游戏与渴望增加以及外侧和前额叶皮层、纹状体和楔前叶的大脑活动增加有关。在 RGU 患者中,没有观察到增强的大脑活动。
这些结果表明,游戏行为增强了 IGD 患者的渴望反应,但不会增强 RGU 患者的渴望反应,为 IGD 的潜在机制提供了深入了解,并为 IGD 相关干预的行为和神经生物学靶点提供了依据。