导航剥削陷:揭示了互联网游戏障碍患者无法控制的奖励寻求
概括
患有互联网游戏障碍 (IGD) 的个人过度依赖剥削性决策策略,原因是认知控制受损和寻求奖励的增加,影响基于价值的行为.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 行为科学 行为科学
背景情况:
- 互联网游戏障碍 (IGD) 与大脑双重系统的不平衡有关,影响寻求奖励和认知控制.
- 这种不平衡可能会影响决策过程,特别是勘探开发战略.
研究的目的:
- 调查互联网游戏障碍 (IGD) 如何影响决策策略,特别是勘探-开发平衡.
- 检查IGD患者决策的神经相关性.
主要方法:
- 用修改的双臂强盗任务来评估41名IGD患者和44名健康对照者的决策策略.
- 功能磁共振成像 (fMRI) 用于分析决策和估计阶段的大脑激活.
主要成果:
- 患有IGD的个体表现出对剥削策略的依赖性增加,这是由更高的奖励寻求和较低的认知控制驱动的.
- 在IGD组中观察到补充前运动区域和腹状条纹体的激活增加.
- 在使用过程中增加了前额叶皮层抑制,随着认知控制的减弱而下降,在IGD患者中观察到.
结论:
- 在IGD中存在的双重系统失衡,其特点是寻求奖励的高度和认知控制的减少,可能会促进过度依赖剥削性决策策略.
- 这种改变的决策过程导致了互联网游戏障碍中观察到的基于价值的行为困难.
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