在互联网游戏障碍中的动态功能网络中基于时间变化的交替
Jiejie Fu1, Shuaiyu Chen2, Min Wang3
1Department of Psychology, Yunnan Normal University, Kunming, Yunnan Province, China; Center for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang Province, China.
Journal of psychiatric research
|May 7, 2025
概括
与健康对照人群相比,患有互联网游戏障碍 (IGD) 的个体表现出大脑网络动态的改变,默认模式网络可变性降低,感觉运动和注意力网络可变性增加. 这些变化表明执行功能和注意力受损.
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.
- 脑部成像 脑部成像
背景情况:
- 之前关于互联网游戏障碍 (IGD) 的研究经常假设静态的大脑连接,忽视动态网络变化.
- 了解动态功能网络重组对于全面了解IGD至关重要.
研究的目的:
- 研究IGD个体大脑网络中的动态功能连接 (FC) 变化.
- 为了比较IGD患者和娱乐游戏用户 (RGU) 之间大脑网络的时间变化.
主要方法:
- 分析了269名参与者 (132名IGD,137名RGU) 的休息状态fMRI数据.
- 在网络内部和网络之间计算的时间变化指数.
- 使用独立样本t测试进行组比较.
主要成果:
- 在默认模式网络 (DMN) 中,IGD受试者显示网络内部时间变化减少.
- 在IGD的腹部注意网络 (VAN) 中观察到网络内部的时间变异性增加.
- 在IGD.中,在传感运动网络 (SMN),VAN和边缘网络 (LN) 中观察到的网络间时间变异性升高.
结论:
- 大脑网络中时间变异的改变是IGD的一个关键特征.
- 研究结果表明,IGD的执行抑制控制,注意力受损,以及感官-情感-激励功能失衡.
- 这些见解增强了对病态游戏行为的神经支柱的理解.
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