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Neuroplasticity

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Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.

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Updated: May 12, 2026

Assaying Circuit Specific Regulation of Adult Hippocampal Neural Precursor Cells

Assaying Circuit Specific Regulation of Adult Hippocampal Neural Precursor Cells

Published on: July 24, 2019

大脑状态依赖的新皮质-海马体网络动态是由产后刺激调节的.

Yoshiaki Shinohara^1,2,3,4, Shinnosuke Koketsu⁵, Nobuhiko Ohno^3,6

¹Department of Integrative Anatomy, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan yoshinohara@yamanashi.ac.jp.

The Journal of neuroscience : the official journal of the Society for Neuroscience

|January 27, 2025

概括

新皮质和海马活动同步,新皮质活动在特定大脑区域的尖波浪 (SWR) 周围达到顶峰. 产后环境影响这些大脑状态动态.

关键词:

的活性的活性.皮层皮层皮层在海马体内,海马体当地的现场潜力,当地现场潜力.尖的波浪和波浪的.泰达振荡的发生.

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Minimizing Hypoxia in Hippocampal Slices from Adult and Aging Mice

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Simultaneous Monitoring of Wireless Electrophysiology and Memory Behavioral Test as a Tool to Study Hippocampal Neurogenesis

Simultaneous Monitoring of Wireless Electrophysiology and Memory Behavioral Test as a Tool to Study Hippocampal Neurogenesis

Published on: August 20, 2020

相关实验视频

Last Updated: May 12, 2026

Assaying Circuit Specific Regulation of Adult Hippocampal Neural Precursor Cells

Assaying Circuit Specific Regulation of Adult Hippocampal Neural Precursor Cells

Published on: July 24, 2019

Minimizing Hypoxia in Hippocampal Slices from Adult and Aging Mice

Minimizing Hypoxia in Hippocampal Slices from Adult and Aging Mice

Published on: July 2, 2020

Simultaneous Monitoring of Wireless Electrophysiology and Memory Behavioral Test as a Tool to Study Hippocampal Neurogenesis

Simultaneous Monitoring of Wireless Electrophysiology and Memory Behavioral Test as a Tool to Study Hippocampal Neurogenesis

Published on: August 20, 2020

科学领域:

神经科学是一个神经科学.
系统神经科学系统神经科学
认知神经科学认知神经科学

背景情况:

大脑皮层和海马体之间的神经通信对于信息传输至关重要.
以前的研究确立了时间协调,但缺乏了解海马活动期间新皮层参与的空间范围.
了解新皮层空间活动和海马活动之间的关系对于破译大脑功能至关重要.

研究的目的:

为了研究新皮层活动的空间动态与海马尖波浪 (SWRs) 和theta振荡的关系.
探索不同大脑状态 (麻醉,自然睡眠,清醒) 和环境条件如何影响新皮质-海马相互作用.
确定产后经验在调节这些神经动态中的作用.

主要方法:

在GCaMP表达小鼠中新皮质活动的中视镜成像.
同时记录海马的局部场势.
通过不同行为状态和环境养育条件 (孤立与丰富) 进行神经活动的比较.

主要成果:

新皮质活动,特别是视觉和相关区域,在海马 SWR 周围升高.
在清醒和睡眠状态中,前-SWR活动是常见的,但在自然睡眠期间,后-SWR活动会减少.
尿麻醉在较长时间内诱导了SWR相关的活动; teta振荡显示出广泛的,相锁定的新皮质活动.
与在丰富环境中养的小鼠相比,在隔离中养的小鼠表现出更明显的脑状态依赖的新皮质-海马体动态.

结论:

新皮质和海马体表现出不同的,大脑状态特定的活动模式.
产后的环境经验显著调节新皮质-海马沟通的动态.
这些发现突出了神经回路,大脑状态和环境影响对大脑功能之间的复杂相互作用.