基于拒绝模板的抑制是反应性的:来自人类电生理学的证据
Chao Pang1, Yanzhang Chen2, Yue Zhang1
1Department of Psychology and Center for Brain and Cognitive Sciences, School of Education, Guangzhou University, Guangzhou, 510006, China.
Attention, perception & psychophysics
|March 16, 2024
概括
在视觉工作记忆 (VWM) 中保存与任务无关的信息并没有改善,但在视觉搜索任务中减缓了反应时间. 这表明"拒绝模板"是有反应性的,影响着注意力选择.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 视觉注意力 视觉注意力
背景情况:
- 注意力理论表明视觉工作记忆 (VWM) 增强了与任务相关的信息选择.
- 关于VWM是否可以优化选择与任务无关的信息 ("拒绝模板") 存在争论.
研究的目的:
- 调查在视觉搜索过程中将分散注意力的信息保持在VWM对注意力选择的影响.
- 检查显示异质性 (分泌物与非分泌物分心物) 如何影响这种效应.
主要方法:
- 参与者执行视觉搜索任务与操纵分心条件 (液/非液).
- 测量了反应时间,并记录了脑电图 (EEG) 来分析与事件相关的潜力 (ERP).
主要成果:
- 与WM匹配的分心剂减缓了反应时间,这与预期相反.
- 显示异质性没有调节干扰因子抑制,即使是突出的干扰因子.
- 与WM匹配的分心器引起了N2pc,表明反应性抑制,并减少了P3b,表明与目标处理的竞争.
结论:
- "拒绝模板"机制似乎是反应性的,而不是主动性的.
- 在VWM中持有分心器可以干扰目标处理和注意力选择.
- 结果提供了关于VWM在注意力优化和认知过程中的作用的见解.
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