在积极的短视频用户中提醒的牺牲:来自执行控制和默认模式网络功能连接的执行控制和默认模式的证据
Guanghui Zhai1, Yang Feng1, Xin Ling1
1Faculty of Psychology, Tianjin Normal University, Tianjin, 300387, China.
Neuropsychologia
|October 5, 2025
概括
频繁主动使用短视频会损害注意力警觉. 这与大脑网络连接的改变有关,特别是默认模式网络 (DMN) 和控制网络之间的连接. 了解这一点有助于减轻注意力成本.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 媒体研究 媒体研究
背景情况:
- 人类的注意力是一个有限的资源,被不断的数字媒体所压迫.
- 习惯性短视频消费对注意力及其神经基础的影响尚不清楚.
研究的目的:
- 研究如何积极与被动的短视频使用影响警报,定位和执行注意力.
- 检查短视频使用模式与静止状态大脑网络连接之间的关系.
主要方法:
- 在主动和被动短视频使用之间进行区分.
- 评估注意力组件 (警报,定位,执行控制).
- 使用功能性MRI分析了大规模的静止状态网络连接.
主要成果:
- 频繁主动短视频使用与警报效率降低相关.
- 右腹前额皮层 (PFCv) 和右后带带皮层 (PCC) 之间的功能连接介导了这种效应,涉及默认模式网络 (DMN) 和控制网络的相互作用.
- 导向注意力显示了适度的相互作用,而执行控制没有可靠的关联.
结论:
- 积极的短视频使用与警报的减少有关,通过右侧偏向默认控制大脑网络合来调解.
- 研究结果将注意力资源控制理论扩展到短视频背景.
- 确定了可修改的神经通路,用于潜在的干预和平台设计,以减少注意力成本.
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