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社交媒体使用和早期青少年大脑结构:青少年大脑认知发展 (ABCD) 研究的发现

Jason M Nagata¹, Kevin Bao¹, Stuart B Murray²

¹Division of Adolescent and Young Adult Medicine, Department of Pediatrics, University of California, San Francisco, 550 16th Street, Box 0503 San Francisco, CA, 94143, USA.

|March 14, 2026

概括

青少年每天使用更多社交媒体与皮层厚度和体积的减少有关. 这种关联在多个大脑区域中观察到,但方向性需要进一步研究.

科学领域:

神经科学是一个神经科学.
青少年发展青少年发展
神经成像是一种神经成像.

背景情况:

青春期早期是社交媒体启动和神经发育的关键时期.
有限的研究存在于早期社交媒体参与的神经发育影响.
青少年大脑和认知发展 (ABCD) 研究为这项调查提供了有价值的数据集.

研究的目的:

调查社交媒体使用和成与青春期早期大脑形态学之间的关联.
分析来自全国大规模青少年队伍的神经成像数据.
为了确定可能受到社交媒体习惯影响的特定大脑区域.

主要方法:

利用了来自ABCD研究的7614名青少年 (10-13岁) 的结构性MRI数据.
分析了平均每日社交媒体使用 (小时) 和社交媒体成分数.
用兴趣区域 (ROI) 和顶点分析 (FEMA) 来评估大脑形态.

主要成果:

较高的平均每日社交媒体使用量与较低的皮质总厚度和体积显著相关.
社交媒体的使用和成都与大脑广泛区域的皮层厚度降低有关,包括前额叶,叶,叶和叶.
这些受影响的区域与参与执行功能,默认模式和视觉处理的网络重叠.
仅仅社交媒体成在ROI分析中并没有显示与大脑形态差异的显著关联.

结论:

青春期早期增加的社交媒体使用与皮质形态的变化有关.
这些发现突出了社交媒体习惯的潜在神经发育相关性.
需要进一步的研究来确定这些关联的因果关系和方向性.

关键词:

大脑发育大脑发育图像成像是一种成像.社交媒体社交媒体结构性核磁共振成像 (MRI)

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