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记忆信心背后的大脑活动模式。

Brain activity patterns underlying memory confidence.

机构信息

Department of Psychology and Program in Neuroscience, Bowdoin College, Brunswick, Maine, USA.

出版信息

Eur J Neurosci. 2022 Apr;55(7):1774-1797. doi: 10.1111/ejn.15649. Epub 2022 Mar 29.

DOI:10.1111/ejn.15649
PMID:35304774
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9314063/
Abstract

The primary aim of this review is to examine the brain activity patterns that are related to subjectively perceived memory confidence. We focus on the main brain regions involved in episodic memory: the medial temporal lobe (MTL), prefrontal cortex (PFC), and posterior parietal cortex (PPC), and relate activity in their subregions to memory confidence. How this brain activity in both the encoding and retrieval phase is related to (subsequent) memory confidence ratings will be discussed. Specifically, encoding related activity in MTL regions and ventrolateral PFC mainly shows a positive linear increase with subsequent memory confidence, while dorsolateral and ventromedial PFC activity show mixed patterns. In addition, encoding-related PPC activity seems to only have indirect effects on memory confidence ratings. Activity during retrieval in both the hippocampus and parahippocampal cortex increases with memory confidence, especially during high-confident recognition. Retrieval-related activity in the PFC and PPC show mixed relationships with memory confidence, likely related to post-retrieval monitoring and attentional processes, respectively. In this review, these MTL, PFC, and PPC activity patterns are examined in detail and related to their functional roles in memory processes. This insight into brain activity that underlies memory confidence is important for our understanding of brain-behaviour relations and memory-guided decision making.

摘要

本次综述的主要目的是研究与主观记忆信心相关的大脑活动模式。我们专注于与情景记忆相关的主要大脑区域：内侧颞叶（MTL）、前额叶皮层（PFC）和顶后皮质（PPC），并将它们的子区域中的活动与记忆信心联系起来。我们将讨论在编码和检索阶段，这种大脑活动如何与（后续）记忆信心评分相关。具体来说，MTL 区域和腹外侧 PFC 的编码相关活动主要表现出与后续记忆信心的正线性增加，而背外侧和腹内侧 PFC 的活动则表现出混合模式。此外，编码相关的 PPC 活动似乎只对记忆信心评分有间接影响。海马体和旁海马皮层在检索过程中的活动随着记忆信心的增加而增加，尤其是在高置信度的识别中。PFC 和 PPC 中的检索相关活动与记忆信心之间存在混合关系，可能与检索后监测和注意力过程有关。在本次综述中，详细研究了这些 MTL、PFC 和 PPC 的活动模式，并将其与它们在记忆过程中的功能作用联系起来。对记忆信心背后的大脑活动的这种洞察对于我们理解大脑-行为关系和记忆引导的决策至关重要。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4475/9314063/cdbf77012b19/EJN-55-1774-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4475/9314063/dd4c16a5315b/EJN-55-1774-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4475/9314063/70d2c909950d/EJN-55-1774-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4475/9314063/cdbf77012b19/EJN-55-1774-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4475/9314063/dd4c16a5315b/EJN-55-1774-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4475/9314063/70d2c909950d/EJN-55-1774-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4475/9314063/cdbf77012b19/EJN-55-1774-g004.jpg

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