储存小鼠在记住缓存位置时主要使用熟悉度,而不是回忆力
Tom V Smulders1,2, Laura J Douglas3, Daniel Reza4
1Centre for Behaviour & Evolution and Biosciences Institute, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK. tom.smulders@ncl.ac.uk.
Animal cognition
|October 21, 2023
概括
积食物的鸟类主要使用熟悉,而不是回忆,来找到缓存的食物. 它们更大的海马体可能有助于关联缓存细节而不是空间记忆检索.
科学领域:
- 认知神经科学是一种认知神经科学.
- 动物行为 动物行为
- 比較心理學 比較心理學
背景情况:
- 分散积的鸟类拥有扩大的海马体,这表明它们在空间记忆中扮演着缓存检索的角色.
- 缓存检索可以依赖于回忆 (详细回忆) 或熟悉性 (一般识别).
- 以前在老鼠身上进行的研究表明,海马参与回忆,但不熟悉嗅觉记忆.
研究的目的:
- 为了测试储存食物的鸟类是否拥有更大的海马,主要使用Recollection进行缓存检索.
- 验证一种用于在人类中构建接收器操作特征 (ROC) 曲线的新方法.
- 应用这个ROC曲线方法来分析煤 (Periparus ater) 的缓存检索策略.
主要方法:
- 开发并验证了一种新的接收器操作特征 (ROC) 曲线在人类中的构建方法.
- 应用了ROC曲线方法来研究煤 (Periparus ater) 的缓存检索.
- 分析了与保留间隔相关的记忆性能.
主要成果:
- 人类和煤都主要依赖熟悉度来检索缓存.
- 记忆的贡献是最小的,并没有显著不同于鸟类的机会.
- 鸟类的记忆性能随着缓存和检索之间的时间间隔增加而下降.
结论:
- 积食物的鸟类,尽管海马体较大,但主要使用熟悉性来寻找藏物.
- 扩大的海马体可能支持将缓存内容和时间上下文与位置联系起来,而不是空间回忆.
- 帕里斯的生态压力可能有利于基于熟悉性的缓存站点存储系统.
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