Striatal contributions to declarative memory retrieval.
Striatal contributions to declarative memory retrieval.
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DOI：
10.1016/j.neuron.2012.07.014
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发表时间：
2012-08-09
期刊：
影响因子：
16.2
通讯作者：
Badre D
中科院分区：
文献类型：
--
作者：
Scimeca JM;Badre D
众所周知，陈述性记忆依赖于内侧颞叶记忆系统。最近，人们重新关注基底神经节和陈述性记忆之间的关系，包括纹状体的参与。然而，纹状体对陈述性记忆检索的贡献仍然未知。在这里，我们回顾了纹状体参与陈述性记忆检索的神经影像学和神经心理学证据。从这篇综述中，我们提出，纹状体与前额叶皮层 (PFC) 一起主要支持记忆检索的认知控制。最后，我们针对纹状体在检索中的具体作用提出了三个假设：（1）纹状体根据检索项目的预期效用（自适应编码）调节检索项目的重新编码，（2）纹状体选择性地将信息接纳到工作记忆中，预计会增加成功检索的可能性（自适应门控），以及（3）纹状体根据检索结果对认知控制进行调整（强化学习）。
Declarative memory is known to depend on the medial temporal lobe memory system. Recently, there has been renewed focus on the relationship between the basal ganglia and declarative memory, including the involvement of striatum. However, the contribution of striatum to declarative memory retrieval remains unknown. Here, we review neuroimaging and neuropsychological evidence for the involvement of the striatum in declarative memory retrieval. From this review, we propose that, along with the prefrontal cortex (PFC), the striatum primarily supports cognitive control of memory retrieval. We conclude by proposing three hypotheses for the specific role of striatum in retrieval: (1) Striatum modulates the re-encoding of retrieved items in accord with their expected utility (adaptive encoding), (2) striatum selectively admits information into working memory that is expected to increase the likelihood of successful retrieval (adaptive gating), and (3) striatum enacts adjustments in cognitive control based on the outcome of retrieval (reinforcement learning).
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