Pattern separation in the hippocampus.

Pattern separation in the hippocampus.
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海马中的模式分离。

DOI:
10.1016/j.tins.2011.06.006
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发表时间:
2011-10
影响因子:
15.9
通讯作者:
Stark, Craig E. L.
Stark, Craig E. L.
中科院分区:
医学1区
文献类型:
--
作者:
Yassa, Michael A.;Stark, Craig E. L.

文献摘要

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区分相似经历的能力是情景记忆的一个关键特征。长期以来,人们一直假设这种能力需要海马体,计算模型表明它依赖于模式分离。然而,直到最近才获得有关海马体在模式分离中的作用的经验数据。这篇综述总结了来自电生理记录、病变研究、早期基因成像、转基因小鼠模型以及人类功能神经成像的数据,这些数据为特定海马亚区参与这一关键过程提供了汇聚证据。我们讨论了衰老和成人神经发生对模式分离的影响,并强调了跨物种和跨方法联系的几个挑战,并提出了未来的研究方向。
The ability to discriminate among similar experiences is a critical feature of episodic memory. This ability has long been hypothesized to require the hippocampus, with computational models suggesting it is dependent on pattern separation. However, empirical data for the hippocampus’ role in pattern separation was not available until recently. This review summarizes data from electrophysiological recordings, lesion studies, immediate early gene imaging, transgenic mouse models, as well as human functional neuroimaging that provide convergent evidence for the involvement of particular hippocampal subfields in this key process. We discuss the impact of aging and adult neurogenesis on pattern separation, as well as highlight several challenges to linking across species and approaches and suggest future directions for investigation.
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发表时间: 2008-12
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