恢复自上而下的控制假设:工作记忆中的突出效应随着时间的推移而被克服
Nicholas Gaspelin1, Nelson Cowan1
1Department of Psychological Sciences, University of Missouri.
Journal of experimental psychology. General
|May 15, 2025
概括
工作内存容量有限,但项目的优先级并不总是自动的. 灵活的认知控制,而不仅仅是刺激的突出性,会影响我们记住的东西,特别是有足够的编码时间.
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.
背景情况:
- 工作内存 (WM) 的容量有限,导致项目竞争.
- 最近的研究表明,突出刺激在视觉WM中会自动优先考虑.
研究的目的:
- 评估项目突出是否会自动影响WM,或者WM的部署是否灵活.
- 评估视觉WM中突出刺激的自动优先级的说法.
主要方法:
- 为了测试突出效应的自动性,进行了四项实验.
- 该研究检查了在不同的时间限制和显示尺寸下召回性能.
主要成果:
- 以前观察到的关于回忆的相对显著性的影响并不是完全自动的.
- 当参与者有足够的时间编码所有与任务相关的对象时,这些突出效应显著减少.
结论:
- 工作记忆优先级比自动突出账户所建议的更灵活.
- 低突出物体很难找到和编码,特别是在具有短时间限制的大屏幕上,而不是突出物体被不灵活地优先考虑.
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