视觉短期记忆资源的灵活分配的局限性与多层次的目标导向的注意优先级的限制
Holly A Lockhart1, Blaire Dube2,3, Kevin J MacDonald2
1Department of Psychology, Brock University, 1812 Sir Isaac Brock Way, St Catharines, Ontario, L2S 3A1, Canada. holly.lockhart2@brocku.ca.
Attention, perception & psychophysics
|November 20, 2023
概括
这项研究探讨了灵活的视觉短期记忆 (VSTM) 分配. 虽然大多数参与者在三个优先级别上扎,但少数人表现出这种先进的VSTM资源管理技能.
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:
- 视觉短期记忆 (VSTM) 被视为一个连续的资源.
- 灵活地分配VSTM资源是可能的,使用注意力优先级的概率线索.
- 之前的研究还没有探讨超过两个优先级的分配或这种能力的个体差异.
研究的目的:
- 通过同步的概率空间线索,调查参与者是否可以灵活地使用最多三个级别的注意优先级来分配VSTM资源.
- 检查VSTM资源灵活分配能力的个体差异.
- 探索实践对这种灵活分配能力的影响.
主要方法:
- 采用了持续报告程序.
- 在三个实验中,优先级级,提示和提示呈现时间各不相同.
- 用贝叶斯的个人差异分析来评估参与者的策略.
主要成果:
- 集团分析显示VSTM资源分配灵活,但使用三个不同的优先级的证据有限.
- 时间分析表明,任务疲劳可能会影响项目优先级,而不是实践效应.
- 少数参与者成功地利用了三个注意力优先级级.
结论:
- 灵活的VSTM分配到三个优先级是可能的,同时cuing,但不是一个占主导地位的行为.
- 高性能个体的这种能力可能反映出与高记忆能力相比较的技能.
- 任务疲劳,而不是实践,似乎会随着时间的推移影响资源分配.
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