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一个用于一般和防御性兴奋控制的常见的胸膜中心
Yiwei Wang1, Ling You1, KaMun Tan1
1Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, China; IDG/McGovern Institute for Brain Research at Tsinghua, Beijing 100084, China.
中间听觉丘脑 (ATM) 控制一般的清醒和防御性兴奋. 这个大脑区域的大脑区域.
科学领域:
- 神经科学是一个神经科学.
- 睡眠研究研究睡眠研究
- 感官处理 感官处理
背景情况:
- 为了应对威胁,一般的兴奋和特定的防御性兴奋状态是必要的.
- 调节这些独特兴奋状态的大脑区域在很大程度上仍然未被确定.
研究的目的:
- 为了调查共同的大脑区域是否调节一般和防御性兴奋.
- 识别中介听觉丘脑 (ATM) 在唤醒和防御行为中的作用.
主要方法:
- 在小鼠体内利用电生理学和化学遗传学.
- 在睡眠和清醒期间在ATm中记录神经元活动.
- 操纵ATm神经元活动以评估对兴奋和行为的影响.
主要成果:
- ATmVGluT2+神经元的自发活动与控制的清醒相关.
- ATmVGluT2+活动预测了睡眠期间感官诱导的唤醒.
- 抑制ATmVGluT2+神经元减少了兴奋;激活增加了焦虑和回避.
- 阻止ATmVGluT2+的神经传递消除了防御行为.
结论:
- 该ATM作为一个关键的thalamic中心,整合一般和防御性兴奋.
- 研究结果表明,ATM功能障碍,睡眠障碍和大脑疾病中的感官处理异常之间存在潜在联系.
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