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Updated: Jul 6, 2026

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A Real-world What-Where-When Memory Test
Published on: May 16, 2017
老鼠的情节性记忆:它是基于什么时候或多久以前吗?
William A Roberts1, Miranda C Feeney, Krista Macpherson
1Department of Psychology, University of Western Ontario, London, Ontario, N6A 5C2, Canada. roberts@uwo.ca
概括
鼠表现出对食物的记忆,但主要是回忆它被发现的时间,而不是具体的时间. 这表明老鼠的情节性记忆不同于人类的情节性记忆.
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
背景情况:
- 老鼠表现出类似情节性的记忆,回忆什么,在哪里,以及何时遇到食物.
- 记住"什么时候"发生事件的能力对于理解时间认知至关重要.
研究的目的:
- 为了研究老鼠的情节性记忆是否依赖于回忆事件的特定时间或事件发生后的时间.
- 在老鼠中区分"什么时候"和"多久以前"的记忆.
主要方法:
- 三组老鼠被训练记住一个辐射迷宫上的食物位置.
- 每组受限于特定的时间线索:"什么时候"遇到食物",多久以前"发现它,或两者的组合.
- 基于老鼠使用提供的时间线索来回忆食物的位置的能力来评估性能.
主要成果:
- 老鼠可以成功地利用"多久以前"的提示来记住食物的位置.
- 鼠无法有效地使用单独的"何时"提示.
- 结合的"何时+多久前"提示的有效性是有限的,这表明依赖"多久前"组件.
结论:
- 鼠标的情节性记忆似乎主要基于事件发生后的时间,而不是特定的时间上下文.
- 这些发现表明,大鼠的情节性类型记忆可能与人类的情节性记忆有质地不同,特别是在时间回忆方面.
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