手机使用对大脑活动的影响:音频通话与视频通话对比
Mohammad Azmain Zahir Akas1, Tanvir Hossain Ovi1, Md Fazlul Kader1
1Department of Electrical and Electronic Engineering, University of Chittagong, Chittagong 4331, Bangladesh.
Acta psychologica
|January 28, 2026
概括
手机上的视频通话比音频通话更多地增加了认知负载和精神疲劳,随着时间的推移,效应会恶化. 这项研究使用脑电图 (EEG) 来测量电话期间的大脑活动.
科学领域:
- 神经科学是一个神经科学.
- 人与计算机的交互
- 认知心理学 认知心理学
背景情况:
- 越来越多的人使用手机进行通信,这引发了人们对无线电频率电磁场暴露的担忧.
- 音频和视频通话对认知负载和精神疲劳的神经效应需要研究.
研究的目的:
- 调查WhatsApp音频和视频通话对认知负载和精神疲劳的影响.
- 使用非侵入性脑电图 (EEG) 信号来评估这些影响.
主要方法:
- 在基线和电话会议 (3分钟和4分钟) 中记录了28名健康参与者的EEG信号.
- 预处理的EEG数据使用带宽过,连续波束转换和独立组件分析.
- 通过使用Mahalanobis距离分析评估theta-alpha比率 (TAR) 和精神疲劳的认知负载.
主要成果:
- 与音频通话相比,视频通话显著增加了认知负载 (TAR) 和精神疲劳 (p<0.05).
- 认知负荷和精神疲劳的影响都随着电话持续时间的延长而加剧.
- 机器学习分类在区分呼叫条件方面取得了很高的准确性 (AUC > 0.90).
结论:
- 手机视频通信需要比音频通信更高的认知和疲劳资源.
- 脑电图指数,自我报告和机器学习为移动通话的认知影响提供了趋同的证据.
- 沟通模式是评估工作负载和疲劳在现实世界中情景的关键因素.
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