Dynamic internal states shape memory retrieval

Dynamic internal states shape memory retrieval
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动态内部状态形状记忆检索

DOI:
10.1016/j.neuropsychologia.2019.107328
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发表时间:
2020
期刊:
影响因子:
2.6
通讯作者:
Aly, Mariam
Aly, Mariam
中科院分区:
心理学3区
文献类型:
--
作者:
Tarder-Stoll, Hannah;Jayakumar, Manasi;Dimsdale-Zucker, Halle R.;Günseli, Eren;Aly, Mariam

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为什么有时候我们很容易找回记忆,但有时候却似乎忘记了?我们经常从外部环境中寻找提取线索,但另一种优化记忆提取的方法是处于一种精神状态或模式,这种精神状态或模式优先考虑我们对世界的内部表征。Endel Tulving(1983)提出了这种“提取模式”,他认为这是一种神经认知状态,在这种状态下,人们将记忆提取的目标牢记在心。Tulving的建议的基础上,我们审查收敛的证据,从多个研究线,强调内部状态的重要性,在实例化的检索模式,优化成功的记忆。我们通过调节提取的可能性或提取的内容,确定了三个关键因素:(1)记住或忘记(无论是在现在还是将来)的意图,(2)对目标相关记忆的注意选择和干扰物的抑制,(3)海马体中乙酰胆碱水平的波动。我们讨论的经验证据表明,这些内部状态单独影响记忆提取,并提出他们如何协同互动。描述这些动态的内部因素是开启我们对记忆的组织和可访问性的理解的重要关键。
Why do we sometimes easily retrieve memories, but other times appear to forget them? We often look to our external environment for retrieval cues, but another way to optimize memory retrieval is to be in a mental state, or mode, that prioritizes access to our internal representation of the world. Such a ‘retrieval mode’ was proposed by Endel Tulving (1983), who considered it a neurocognitive state in which one keeps the goal of memory retrieval in mind. Building on Tulving's proposal, we review converging evidence from multiple lines of research that emphasize the importance of internal states in the instantiation of retrieval modes that optimize successful remembering. We identify three key factors that contribute to a retrieval mode by modulating either the likelihood or the content of retrieval: (1) an intention to remember or forget (either in the present or the future), (2) attentional selection of goal-relevant memories and suppression of distractors, and (3) fluctuating levels of acetylcholine in the hippocampus. We discuss empirical evidence that these internal states individually influence memory retrieval and propose how they may interact synergistically. Characterizing these dynamic internal factors is an important key for unlocking our understanding of the organization and accessibility of our memories.
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海马体对于空间关系注意力至关重要
DOI: --
发表时间: 2019
期刊: bioRxiv
影响因子: --
作者:
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