Hypothalamic neurons that mirror aggression.

Hypothalamic neurons that mirror aggression.
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DOI:
10.1016/j.cell.2023.01.022
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发表时间:
2023-03-16
期刊:
影响因子:
64.5
通讯作者:
Shah, Nirao M.
Shah, Nirao M.
中科院分区:
生物学1区
文献类型:
--
作者:
Yang, Taehong;Bayless, Daniel W.;Wei, Yichao;Landayan, Dan;Marcelo, Ivo M.;Wang, Yangpeng;DeNardo, Laura A.;Luo, Liqun;Druckmann, Shaul;Shah, Nirao M.

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社会互动需要了解和理解他人的行为。镜像神经元,即代表自我和他人行动的细胞,被认为是使这种意识和理解得以实现的认知基础所不可或缺的。灵长类新皮质的镜像神经元代表熟练的运动任务,但尚不清楚它们是否对它们所体现的行动至关重要,使社会行为得以实现,还是存在于非皮质区域。我们证明,小鼠下丘脑中单个VMHvlPR神经元的活动代表了自己和他人实施的攻击行为。我们使用了一种基因编码的镜像陷阱策略,从功能上询问了这些反映攻击行为的神经元。我们发现,它们的活动对于战斗是必不可少的,这些细胞的强制激活会触发老鼠的攻击性展示,甚至是对着它们的镜像。我们一起在一个进化古老的区域发现了一个镜像中心,它为一种社会行为提供了必不可少的皮质下认知底物。在雄性小鼠的下丘脑中已经发现了其活动反映其他小鼠战斗的神经元,并表明其对攻击行为具有重要的功能。
Social interactions require awareness and understanding of the behavior of others. Mirror neurons, cells representing an action by self and others, have been proposed to be integral to the cognitive substrates that enable such awareness and understanding. Mirror neurons of the primate neocortex represent skilled motor tasks, but it is unclear if they are critical for the actions they embody, enable social behaviors, or exist in non-cortical regions. We demonstrate that the activity of individual VMHvlPR neurons in the mouse hypothalamus represents aggression performed by self and others. We used a genetically encoded mirror-TRAP strategy to functionally interrogate these aggression-mirroring neurons. We find that their activity is essential for fighting and that forced activation of these cells triggers aggressive displays by mice, even toward their mirror image. Together, we have discovered a mirroring center in an evolutionarily ancient region that provides a subcortical cognitive substrate essential for a social behavior. Neurons whose activity mirrors fighting by other mice have been identified in the male mouse hypothalamus and shown to be functionally important for aggressive behavior.
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