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现在你能听到我吗? 智能手机使用的瞬间增加增强了与任务无关的音色的神经处理
Mark van de Ruit1,2, Arko Ghosh3
1Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands.
Neuroimage. Reports
|June 26, 2025
概括
与智能手机互动增强了大脑对周围听觉信息的处理,这与普遍认为的相反. 增加智能手机的使用增加了神经对意外声音的反应,特别是在高认知负载期间.
科学领域:
- 认知神经科学 认知神经科学
- 人与计算机的交互
- 听觉感知是一种听觉感知.
背景情况:
- 人们普遍认为,使用智能手机会导致忽视周围环境.
- 新兴研究表明,在高认知负载下,不相关信息的处理能力提高.
- 这项研究调查了真实世界智能手机交互期间的听觉分心处理.
研究的目的:
- 在使用智能手机时检查与任务无关的听觉音调的神经处理.
- 研究认知负载,智能手机交互频率和听觉处理之间的关系.
- 挑战智能手机参与普遍损害环境意识的观念.
主要方法:
- 脑电图 (EEG) 记录了24名参与者在公共场合使用智能手机的神经活动.
- 参与者使用智能手机约1.5小时,自然会有不同的互动率.
- 分析的重点是以太频段振荡 (4-8 Hz) 作为认知负载指数和听觉唤起的潜能.
主要成果:
- 中部和前部的太波段振荡随着触摸屏互动频率的增加而增加,这表明认知负载的增加.
- 兴奋:抑制平衡也随着智能手机互动而增加.
- 听觉唤起的潜能显示了 ~ 50 ms, ~ 100 ms 和 ~ 200 ms 的组件,其中 ~ 100 ms 的组件振幅与相互作用频率正相关.
结论:
- 与常见的假设相反,在智能手机参与度较高的时期,听觉信息处理得到增强.
- 环境的神经处理是由智能手机使用的认知需求动态调节的.
- 这表明大脑适应优先考虑或增强处理外部刺激,当被设备交互认知征税时.
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