社交媒体消费对大学生情绪和执行功能的影响:自然环境中的fNIRS研究
Anna Aitken1,2, Ali Rahimpour Jounghani1,2, Laura Moreno Carbonell1,3
1Computational Brain Research and Intervention (C-BRAIN) Laboratory, Department of Psychiatry and Behavioral Sciences, School of Medicine, Stanford University, Stanford, California, USA.
Research square
|January 7, 2025
概括
社交媒体的使用对大学生的执行功能 (EF) 有负面影响,包括工作记忆和反应抑制. 这项研究使用fNIRS观察社交媒体消费后大脑活动的变化,突出了对更健康的数字习惯的需求.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 数字媒体研究 数字媒体研究
背景情况:
- 社交媒体的高普及率 (美国69%的成年人,81%的青少年,2023年).
- 有关社交媒体对认知功能影响的现有担忧.
- 需要在自然环境中对认知和神经效应进行客观测量.
研究的目的:
- 调查社交媒体消费对大学生执行功能 (EF) 和情绪的直接影响.
- 利用可穿戴的功能近红外光谱 (fNIRS) 来监测社交媒体使用期间的大脑活动.
- 评估社交媒体成与认知/神经变化之间的潜在关联.
主要方法:
- 20名大学生参与了这项研究.
- 通过任务和调查问卷评估执行职能和情绪在社交媒体曝光之前和之后.
- 使用可穿戴fNIRS系统在自然环境中监测大脑活动.
主要成果:
- 55%的参与者表现出社交媒体成的迹象 (平均每周使用Instagram5小时).
- 在社交媒体使用后观察到 n-back 和 Go/No-Go 任务的显著损害.
- 检测到改变的大脑活动:增加mPFC,减少dlPFC,vlPFC和IFG活动.
结论:
- 社交媒体消费对大学生的执行功能产生了负面影响.
- 观察到的神经变化表明工作记忆受损,反应抑制和认知努力.
- 调查结果强调,有必要采取干预措施,促进正念的数字参与和更健康的社交媒体习惯.
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