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有意义的对象的概念信息是偶然存储的
Yong Hoon Chung1, Joyce Tam2, Brad Wyble2
1Department of Psychological and Brain Science, Dartmouth College.
概括
有意义的对象在视觉记忆任务中比抽象的形状更容易被偶然记住. 对可识别形状的这种记忆优势表明,即使与任务无关,概念信息也被编码.
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.
- 视觉感知 视觉感知 视觉感知
背景情况:
- 与抽象形状相比,视觉工作记忆 (VWM) 容量对有意义的刺激更大.
- 之前的研究表明,在记忆任务中,现实世界对象比简单的几何形状有好处.
研究的目的:
- 调查有意义的对象的形状是否比没有意义的对象被记住得更好.
- 为了测试任务无关的形状信息是否在颜色内存任务期间被编码到VWM中.
主要方法:
- 采用了一个惊喜试验范式,参与者完成了一项颜色记忆任务.
- 参与者意外地被问及他们以前观看过的物体的形状.
- 刺激包括可识别的物体形状和它们在各种编码时间和并发的口头抑制任务中的混对应物.
主要成果:
- 显著的记忆优势被观察到可识别的形状超过乱的形状,在不同的编码持续时间和口头压抑下持续存在.
- 当对象属于同一个类别时,这种优势会减少,这表明概念性认同对视觉细节的编码.
- 在有意义和无意义对象之间,在位置记忆中没有发现差异.
结论:
- 关于有意义的对象类别的概念信息偶尔被编码到VWM中,即使任务无关.
- 这种对有意义信息的编码特权不会损害空间位置记忆.
- 有意义的特征会影响更高层次视觉区域的VWM表示,而不会影响更低层次的空间参考框架.
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