Replay of incidentally encoded episodic memories in the rat

Replay of incidentally encoded episodic memories in the rat
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大鼠偶然编码的情景记忆的重播

DOI:
10.1016/j.cub.2023.12.043
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发表时间:
2024
期刊:
影响因子:
9.2
通讯作者:
Panoz-Brown, Danielle
Panoz-Brown, Danielle
中科院分区:
生物学1区
文献类型:
--
作者:
Sheridan, Cassandra L.;Lang, Stephen;Knappenberger, Mya;Albers, Cami;Loper, Ryleigh;Tillett, Baily;Sanchez, Jonah;Wilcox, Alyssa;Harrison, Tess;Panoz-Brown, Danielle

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尽管人们并不总是知道事件发生时的重要性,但人们可以使用情景记忆记住这些附带编码信息的细节。重要的是,当信息被明确编码用于预期的保留测试(如在动物中的大多数评估)时,它有可能被用来产生计划的动作1,2,3;因此,记住的动作可以发生而不记得以前的情节。相比之下,当测试是意外的,将信息转化为行动计划是不可能的,因为信息的重要性和测试的性质还不知道。因此,准确的表现在意外的测试后,偶然编码文件情节记忆。1,2,3,4,5,6,7,8在这里,我们提出的证据表明,大鼠重放情节记忆的偶然编码的信息在一个意想不到的评估记忆。在一项任务中,9只大鼠报告了一个明确编码的试验独特气味列表中的倒数第三项。在第二项任务中,10只大鼠在没有气味的辐射状迷宫中觅食。在关键性实验中,大鼠在放射状迷宫中觅食,但气味盖覆盖食物。接下来,对倒数第三种气味的记忆进行了评估。所有参与的大鼠都正确回答了这个意想不到的问题。这些结果表明,老鼠编码了多条不重要的信息,然后当需要这些信息来解决一个意想不到的问题时,它们会重放一系列情节记忆。我们建议,大鼠重放情节记忆的附带编码的信息,这文件的一个重要方面,人类情节记忆在非人类动物。
Although events are not always known to be important when they occur, people can remember details about such incidentally encoded information using episodic memory. Importantly, when information is explicitly encoded for use in an expected test of retention (as in most assessments in animals), it is possible that it is used to generate aplanned action1,2,3; thus, the remembered action can occurwithout remembering the earlier episode. By contrast, when a test is unexpected, transforming information into an action plan is unlikely because the importance of the information and the nature of the test are not yet known. Thus, accurate performance in an unexpected test after incidental encoding documents episodic memory.1,2,3,4,5,6,7,8Here, we present evidence that rats replay episodic memories of incidentally encoded information in an unexpected assessment of memory. In one task,9rats reported the third-last item in an explicitly encoded list of trial-unique odors. In a second task,10rats foraged in a radial maze in the absence of odors. On acritical test, rats foraged in the radial maze, butscented lidscovered the food. Next, memory of the third-last odor was assessed. All participating rats correctly answered the unexpected question. These results suggest that rats encoded multiple pieces of putatively unimportant information, and later they replayed a stream of episodic memories when that information was needed to solve an unexpected problem. We propose that rats replay episodic memories of incidentally encoded information, which documents a critical aspect of human episodic memory in a non-human animal.
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发表时间: 2005-05-01
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DOI: --
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