惯性聚合 高效追踪和阅读你感兴趣的博客、新闻、科技资讯
阅读原文 在惯性聚合中打开

推荐订阅源

aimingoo的专栏
aimingoo的专栏
宝玉的分享
宝玉的分享
博客园 - 【当耐特】
博客园 - 司徒正美
L
LangChain Blog
有赞技术团队
有赞技术团队
大猫的无限游戏
大猫的无限游戏
Stack Overflow Blog
Stack Overflow Blog
Engineering at Meta
Engineering at Meta
U
Unit 42
Microsoft Azure Blog
Microsoft Azure Blog
I
InfoQ
博客园 - 叶小钗
H
Hackread – Cybersecurity News, Data Breaches, AI and More
J
Java Code Geeks
月光博客
月光博客
量子位
让小产品的独立变现更简单 - ezindie.com
让小产品的独立变现更简单 - ezindie.com
博客园_首页
Last Week in AI
Last Week in AI
人人都是产品经理
人人都是产品经理
Google DeepMind News
Google DeepMind News
云风的 BLOG
云风的 BLOG
D
DataBreaches.Net

文献 归档 | Jack's Space

Early tagging of cortical networks is required for the formation of enduring associative memory. Spontaneous changes of neocortical code for associative memory during consolidation. Hypothalamic modulation of adult hippocampal neurogenesis in mice confers activity-dependent regulation of memory and anxiety-like behavior. Hippocampal-amygdala memory circuits govern experience-dependent observational fear Ripple-selective GABAergic projection cells in the hippocampus. Glutamatergic synapses from the insular cortex to the basolateral amygdala encode observational pain. Amount of fear extinction changes its underlying mechanisms. VTA dopamine neuron activity encodes social interaction and promotes reinforcement learning through social prediction error.
Distinct signals in medial and lateral VTA dopamine neuro...
阿杰 Jack · 2022-04-30 · via 文献 归档 | Jack's Space
跳过内容

通讯作者

Ilana B Witten

Introduction

  • reward prediction errors
  • VTA DA neuron

Results

  • condition后,Medial VTA 展现出了reward prediction errors现象,Lateral VTA 展现出了salience相关,两者放电模式不同
    • extinction时,当声音出现,Medial VTA DA neuron活动下降,声音结束时活动上升
    • extinction时,当声音出现和结束,Lateral VTA DA neuron活动都是上升
  • DA neuron的活动和freezing水平相关
    • 声音开始时,Medial DA neuron活动下降越厉害,freezing越强,Lateral DA neuron活动越强,freezing越强;
    • 相反,声音结束时,Medial DA neuron活动上升越厉害,freezing越强,Lateral DA neuron活动越强,freezing越强。
    • 说明freezing程度与Lateral DA neuron活动的绝对值相关。
  • 在声音结束时,使用光遗传学抑制Medial DA neuron可以延长extinction所需要的时间
  • 在声音开始时,使用光遗传学抑制Lateral DA neuron可以延长extinction所需要的时间

参考文献

Cai, Lili X., et al. “Distinct signals in medial and lateral VTA dopamine neurons modulate fear extinction at different times.” Elife 9 (2020): e54936.