负面的情绪状态会影响个体从工作记忆中过分心的能力:ERP研究
Chaoxiong Ye1,2,3, Ruyi Liu1,2, Lijing Guo2
1Institute of Brain and Psychological Sciences, Sichuan Normal University, 610068, Chengdu, China.
Cognitive, affective & behavioral neuroscience
|February 14, 2024
概括
负面情绪会损害视觉工作记忆 (VWM),减少存储容量,阻碍过干扰的能力,影响记忆准确性和神经处理.
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
- 神经科学是一个神经科学.
背景情况:
- 视觉工作记忆 (VWM) 容量有限,需要有效的分心器过.
- 众所周知,负面情绪状态会影响VWM存储,但它们对分心器过的影响不太清楚.
研究的目的:
- 调查负面情绪状态如何影响VWM内的分心器过.
- 为了检查不同情绪状态下的VWM负载和分心处理的神经相关物.
主要方法:
- 56名参与者进行了侧向变化检测任务,使用分心器.
- 在试验之前,使用中性或负面图像来操纵情绪状态.
- 测量了与事件相关的潜力 (ERP),特别是对冲性延迟活动 (CDA),以评估VWM负载.
主要成果:
- 干扰因素对中性和负面情绪状态的记忆准确性产生了负面影响.
- 在中立状态下,CDA表示4个目标对2个目标的VWM负载更高,2个目标具有分心器.
- 负状态显示了条件之间的CDA差异减少,表明干扰器过受损和VWM容量降低.
结论:
- 负面的情绪状态会降低视觉工作记忆的有效能力.
- 在VWM中过干扰因素的能力在负面情绪状态下显著受损.
- 神经证据 (CDA) 支持负面情绪对VWM分心器过的有害影响.
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