听到可怕的表情会损害视觉工作记忆维护维护.
François Thiffault1, Justine Cinq-Mars1, Benoît Brisson1
1CogNAC Research Group (Cognition, Neurosciences, Affect et Comportement), Québec, Canada; Département de Psychologie, Université du Québec à Trois-Rivières, Québec, Canada.
概括
负面的情绪声音通过消耗认知资源来干扰视觉工作记忆 (WM). 这种交叉模式干扰,即使没有行为变化,也会影响WM维护,建议共享资源池.
科学领域:
- 认知神经科学 认知神经科学
- 心理学 心理学 心理学
背景情况:
- 干扰因素会对工作记忆 (WM) 的性能产生负面影响.
- 负面的情绪分心因素会比中性因素更严重地导致WM缺陷.
- 之前的研究集中在同模式干扰上,不研究跨模式效应.
研究的目的:
- 研究视觉工作记忆 (VWM) 上的交叉模式干扰效应.
- 检查情绪性听觉干扰对VWM表现和神经相关的影响.
- 使用电生理学探索分心器突出性和WM维护之间的关系.
主要方法:
- 20名参与者完成了对VWM的视觉变化检测任务.
- 听觉分心器 (恐惧与中立表情) 被介绍.
- 记录了电生理活动 (CDA和P2 ERP).
主要成果:
- 在行为上,相对于中性表达方式,恐惧表达方式并没有显著降低VWM准确性.
- 害怕的干扰器引起了比中性干扰器更大的P2事件相关潜力 (ERP) 幅度.
- 在P2振幅差异和逆侧延迟活性 (CDA) 差异之间发现了相关性,表明VWM维护受到了影响.
结论:
- 恐惧的听觉刺激可以干扰VWM维护,尽管没有显著的行为变化.
- 处理突出的情感听觉干扰器可能会消耗来自共享池的认知资源,影响VWM.
- 这项研究提供了工作记忆的交叉模式干扰的证据,特别是与情绪刺激的干扰.
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