Neurophysiological characteristics of reward processing in individuals at different levels of gaming.

IF 2.9 2区医学 Q2 NEUROSCIENCES Cerebral cortex Pub Date : 2024-11-05 DOI:10.1093/cercor/bhae436

Yanjie Peng, DanTong Wu, Mingyuan Tian, Yanyin Zhou, Xiaohong Peng, Zhenlei Peng, Ke Gong, Kezhi Liu, Jing Chen, Wei Lei

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Abstract

Altered reward processing has been repeatedly reported in Internet gaming disorder (IGD). However, it remains unclear whether these changes are linked to the severity of addictive symptoms or the extent of gaming experience. This study examined the neurophysiological responses regarding reward anticipation and consummation in individuals at different levels of gaming (including 22 casual gamers, 31 regular gamers, and 27 individuals with IGD) through a monetary incentive delay task. Three event-related potential components during reward anticipation-cue-related P300 (Cue-P3), contingent negative variation, and stimulus-preceding negativity (SPN)-and two during reward consummation-feedback-related negativity and feedback-related P300 (FB-P3)-were measured. We found that IGD individuals exhibited greater Cue-P3 but lower SPN amplitude compared to casual gamers, while regular gamers fell between the two without significant differences. Regressions indicated that more extensive gaming experience, rather than the severity of the symptoms, primarily contributed to the increased Cue-P3 in IGD. No group differences were found during reward consummation. Our results highlight disrupted reward anticipation processing in IGD, characterized by increased attention bias toward reward cues (Cue-P3) but diminished cognitive resources for reward anticipation (SPN) and emphasize the role of gaming experience in increased attention bias in IGD.

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不同游戏水平的个体奖励处理的神经生理学特征。

网络游戏障碍（IGD）患者的奖赏加工过程发生改变的报道屡见不鲜。然而，这些变化是否与成瘾症状的严重程度或游戏经验的丰富程度有关，目前仍不清楚。本研究通过货币激励延迟任务，研究了不同游戏水平的个体（包括 22 名休闲游戏玩家、31 名普通游戏玩家和 27 名 IGD 患者）在奖励预期和消耗方面的神经生理反应。我们测量了奖励预期过程中的三个事件相关电位成分--线索相关 P300 (Cue-P3)、或有负变异和刺激前负性 (SPN)，以及奖励消耗过程中的两个事件相关电位成分--反馈相关负性和反馈相关 P300 (FB-P3)。我们发现，与休闲游戏玩家相比，IGD 表现出更高的 Cue-P3 和更低的 SPN 振幅，而普通游戏玩家则介于两者之间，没有显著差异。回归结果表明，更丰富的游戏经验，而不是症状的严重程度，是导致 IGD Cue-P3 增加的主要原因。在奖赏消耗过程中，没有发现组间差异。我们的研究结果表明，IGD 的奖赏预期处理过程受到了干扰，其特点是对奖赏线索（Cue-P3）的注意偏向增加，而对奖赏预期（SPN）的认知资源却减少，并强调了游戏经历在 IGD 注意偏向增加中的作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Cerebral cortex 医学-神经科学

CiteScore

6.30

自引率

8.10%

发文量

510

审稿时长

2 months

期刊介绍： Cerebral Cortex publishes papers on the development, organization, plasticity, and function of the cerebral cortex, including the hippocampus. Studies with clear relevance to the cerebral cortex, such as the thalamocortical relationship or cortico-subcortical interactions, are also included. The journal is multidisciplinary and covers the large variety of modern neurobiological and neuropsychological techniques, including anatomy, biochemistry, molecular neurobiology, electrophysiology, behavior, artificial intelligence, and theoretical modeling. In addition to research articles, special features such as brief reviews, book reviews, and commentaries are included.