记忆检索效应作为现象体验差异的函数
Austin H Schmidt1, C Brock Kirwan2,3,4
1Neuroscience Center, Brigham Young University, Provo, UT, USA.
Brain imaging and behavior
|May 6, 2024
概括
人们对信息的可视化或口头化方式的个体差异会影响记忆检索期间的大脑活动. 这表明认知风格会影响回忆词语和面部的神经模式.
科学领域:
- 认知神经科学 认知神经科学
- 神经成像是一种神经成像.
- 心理学 心理学 心理学
背景情况:
- 意识经验通常是单一的,但众所周知,现象经验的个体差异会影响行为.
- 这些主观表示差异对记忆过程的影响仍然不完全理解.
研究的目的:
- 调查个人对视觉图像或内部语言化的认知偏见如何影响记忆编码和检索期间的神经活动.
- 检查这些表示偏差与不同类型的刺激 (面孔和词语) 的记忆表现之间的关系.
主要方法:
- 功能磁共振成像 (fMRI) 用于在记忆编码和识别任务中扫描49名参与者.
- 参与者完成了内部表现问卷 (IRQ),以评估认知偏见 (视觉图像与内部语言化).
- 行为记忆表现和fMRI激活模式与个人的认知偏差分数相关分析.
主要成果:
- 在视觉图像/内部语言化偏差和整体记忆性能之间没有发现显著的相关性.
- 在编码和检索过程中,fMRI揭示了面部与单词的典型激活差异.
- 在检索时,对可视化的偏见与下尾回旋中与记忆相关的激活有关.
- 交叉交互表明可视化偏差增强了单词检索激活,而语言化偏差增强了面部检索激活.
结论:
- 认知表现 (可视化与口头表达) 的个体差异与记忆检索期间的不同神经激活模式有关.
- 这些表示偏差可能会调节检索不同类型的刺激所需的神经努力.
- 这些发现表明,主观认知风格可以塑造记忆检索性能的神经支柱.
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