从婴儿屏幕时间到焦虑的神经行为联系
Pei Huang1, Shi Yu Chan2, Kathy Xinzhuo Zhou3
1Institute for Human Development and Potential, Agency for Science, Technology and Research (A∗STAR), Singapore; Department of Diagnostic Imaging, National University Health System, Singapore.
EBioMedicine
|December 30, 2025
概括
婴儿屏幕时间通过改变大脑发育与青少年焦虑有关. 早期更高的屏幕曝光加快了大脑网络的成熟,影响了决策,并在以后的生活中增加了焦虑症状.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 儿童精神病学 儿童精神病学
背景情况:
- 婴儿屏幕时间是一个日益关注的问题,与负面的发育结果有关,包括焦虑.
- 连接早期屏幕曝光与青少年焦虑的神经通路仍未得到充分研究.
- 这项研究调查了婴儿屏幕时间,大脑网络发育,决策和青少年焦虑之间的联系.
研究的目的:
- 评估婴儿屏幕时间和青少年焦虑之间的方向关联.
- 检查大脑网络拓学和决策行为在这个协会中的调解作用.
- 确定潜在的神经发育途径,将早期屏幕曝光与以后的焦虑联系起来.
主要方法:
- 利用了新加坡成长向健康结果 (GUSTO) 队列研究的数据.
- 采用结构方程建模来分析168名儿童的数据,包括婴儿屏幕时间 (1至2岁),扩散MRI (4.5至7.5岁),决策任务 (8.5岁) 和焦虑评估 (13岁).
- 模拟了大脑皮层网络整合的发育倾斜率,并评估了将屏幕时间与焦虑联系起来的途径,通过大脑发育和决策来调解.
主要成果:
- 较高的婴儿屏幕时间与视觉认知控制网络集成加速下降相关.
- 这种下降介于8.5岁时在决策任务中的审议时间增加.
- 发现了一条显著的串行调解途径,通过加速大脑网络成熟和改变决策,将婴儿屏幕时间与青少年焦虑联系起来.
结论:
- 婴儿屏幕时间较长与视觉和认知控制网络的拓成熟加速有关.
- 这种神经发育途径导致延长决策延迟和增加青少年焦虑.
- 感官处理障碍可能是这种途径的基础,这表明早期干预的目标.
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