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Prefrontal cortex neuronal ensembles dynamically encode task features during associative memory and virtual navigation

delete2025-01-01
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OA
AI
M
Mohamad Abbass
B
Benjamin Corrigan
R
Renée Johnston
R
Roberto A. Gulli
A
Adam Sachs
J
Jonathan C. Lau
J
Julio Martínez-Trujillo *
DOI:10.1016/j.celrep.2024.115124delete
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摘要

摘要

En 中文
神经元群体通过混合选择性神经元来扩展其信息编码能力。这在诸如外侧前额叶皮层(LPFC)等联合区域中尤为显著,这些区域整合来自多个感觉系统的信息。然而,在接近自然行为的状态下,LPFC神经元集合如何处理与任务特征相关的时空变化信息尚不清楚。在此,我们表明,在包含自然元素且需要联想记忆的虚拟现实任务中,灵长类动物LPFC中的单个神经元和神经元集合动态地将任务中的无约束特征(如眼球运动)与任务相关的视觉特征混合。背侧区域的神经元对空间和眼球运动表现出更强的选择性,而腹侧区域则对视觉特征表现出更强的选择性,并以一个独立的子空间表示这些特征。总之,LPFC神经元对无约束和受约束的任务元素表现出动态且混合的选择性,而神经元集合可以在不同的子空间中分离任务特征。
Keyword:
MIXED SELECTIVITY
VISUAL INFORMATION
CONNECTIONS

期刊

Cell Reports 封面图
Cell Reports
IF:
6.9
论文数:
1.7W
被引数:
10.2W

机构

O
Ottawa Hosp
学者数:
215
论文数: 123
被引数: 67
W
Western Univ
学者数:
1.0K
论文数: 838
被引数: 162
引用论文

引用论文

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