问题赌博在线扑克玩家决策过程中的时空脑电图动态。

IF 6.6 1区 医学 Q1 PSYCHIATRY
Journal of Behavioral Addictions Pub Date : 2024-09-04 Print Date: 2024-10-04 DOI:10.1556/2006.2024.00048
Julie Giustiniani, Magali Nicolier, Florine Maylié, Lionel Pazart, Emmanuel Haffen, Damien Gabriel
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引用次数: 0

摘要

背景和目的:赌博活动是沿着从娱乐性赌博到赌博障碍(GD)的连续统一体发展的,而确定赌博者是否在早期阶段就存在某些神经生理特点是一项特殊挑战。我们的主要目标是确定在赌徒群体中,根据加拿大问题赌博指数(CPGI)定义的问题赌博风险,在做出不确定决定时产生的神经反应是否有所不同。我们测试了以下假设,即问题赌博群体与低风险人群相比,在结果处理方面会表现出不同的大脑活动:为此,我们建立了一个相对同质的在线扑克玩家群体,根据 CPGI 分成两组(低风险组和问题赌博组)。通过高密度脑电图,我们比较了爱荷华州赌博任务完成过程中产生的时空动态:结果:两组人在负结果出现后的 150-175 毫秒之间都观察到了一个特定的地形图,而只有问题赌博组的人在赢的情况下才显示出这个地形图。我们发现,该地形图的全局场强与参与者对策略的坚持程度呈负相关。源定位确定前扣带回皮层和颞区为该图谱的生成区:在早期结果过程中发现的奖赏超敏脑电图反应可能是问题赌博的潜在生物标志物。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Spatio-temporal EEG dynamics during decision-making in online poker players with problem gambling.

Background and aims: Gambling activity evolves along a continuum from recreational to Gambling Disorder (GD) and a particular challenge is to identify whether there are some neurophysiological particularities already present in gamblers at an early stage. Our main goal was to determine whether, in the gamblers' population, neural responses generated during uncertain decisions were different depending on problematic gambling risk defined by the Canadian Problem Gambling Index (CPGI). We tested the following hypothesis, that the Problem Gambling group would show a different brain activity related to outcomes processing than people with low risk.

Methods: For this purpose, we established a relatively homogeneous population of Online Poker Players divided into two groups according to the CPGI (Low Risk and Problem Gambling). By means of high-density EEG, we compared the spatio-temporal dynamics generated during the completion of the Iowa Gambling Task.

Results: One specific topographic map was observed between 150-175 ms after a negative outcome for both groups, whereas it was displayed in the win condition only for the Problem Gambling group. We found that the Global Field Power of this map was negatively correlated with participants' adherence to a strategy. Source localization identified Anterior Cingulate Cortex and Temporal regions as generators of this map.

Discussion and conclusions: Reward hypersensitivity EEG responses identified in the early outcome process could constitute a potential biomarker of problematic gambling.

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来源期刊
CiteScore
12.30
自引率
7.70%
发文量
91
审稿时长
20 weeks
期刊介绍: The aim of Journal of Behavioral Addictions is to create a forum for the scientific information exchange with regard to behavioral addictions. The journal is a broad focused interdisciplinary one that publishes manuscripts on different approaches of non-substance addictions, research reports focusing on the addictive patterns of various behaviors, especially disorders of the impulsive-compulsive spectrum, and also publishes reviews in these topics. Coverage ranges from genetic and neurobiological research through psychological and clinical psychiatric approaches to epidemiological, sociological and anthropological aspects.
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