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Distributed cortical learning through LEC-mediated γ-synchrony

delete2026-09-01
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OA
AI
D
Di Yun
王政 封面图
王政 (Zheng Wang)
S
Shenglin Zhao
Z
Zhenjie Wang
H
Haoran Ma
F
Fei He
J
Junfeng Lu
Y
Yuanning Li
H
Hong Xie *
J
Ji‐Song Guan *
DOI:10.1038/s41467-026-77266-wdelete
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摘要

摘要

En 中文
尽管多巴胺驱动的强化学习的理论和实验基础已得到充分确立,但奖励预测误差(RPE)教学信号如何修饰特定的皮层记忆网络仍不清楚。神经振荡对于分布式细胞集合中活动的时序绑定至关重要。本研究识别出小鼠外侧内嗅皮层第5层(LEC5)介导的皮层间γ同步是多巴胺能神经元中腹侧被盖区(VTADA)来源的RPE信号的神经相关物。VTADA-LEC5回路基础的皮层间γ同步促进了学习和记忆保持,在单细胞水平上,它调节皮层潜在记忆单元的活动。人类脑部记录也证实了γ同步在预测误差处理中的作用。这些发现表明,LEC5介导的皮层间γ同步作为强化学习信号,促进了皮层记忆网络的建立。皮层网络如何被学习所调节仍然是一个基本问题。本研究显示,LEC5介导的(外侧内嗅皮层第5层介导的)皮层间γ同步作为强化学习信号,促进了皮层记忆网络的形成。

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Nature Communications 封面图
Nature Communications
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15.7
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被引数:
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fudan university
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ShanghaiTech University
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university of shanghai for science and technology
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chinese academy of sciences
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