在亲社会互动中对附属触摸的神经控制
Ye Emily Wu1,2, James Dang3,4, Lyle Kingsbury3,4
1Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, CA, USA. ye.wu@ucla.edu.
Nature
|October 14, 2021
概括
小鼠对痛苦的伴侣表现出令人安慰的爱好态度. 这种亲社会行为由中枢桃体 (MeA) 的特定神经元控制,突出了社交触摸的神经基础.
科学领域:
- 神经科学
- 行为学
- 社会行为
背景情况:
- 对于社会物种的福祉至关重要.
- 亲密的社交接触,包括同人交往, 加强社会纽带,
- 亲社会接触背后的神经机制在很大程度上是未知的.
研究的目的:
- 研究控制小鼠亲社会关联触觉的神经回路.
- 了解大脑如何处理危险信号并引发安慰行为.
主要方法:
- 观察到老鼠对困难伴侣的同伴行为.
- 使用微内镜成像来监测中枢桃体 (MeA) 中的神经活动.
- 使用交叉功能操纵来建立MeA神经元和行为之间的因果关系.
主要成果:
- 小鼠对处于困境的同类有着强烈的吸引力, 甚至对嗅觉线索有反应.
- 在MeA中神经活动区分了天真和痛苦的个体,并与allogrooming相关.
- 一个表达塔基宁的MeA GABAergic神经元的特定亚群被确定为通过向中部前视区域的投射促进allogrooming的关键.
结论:
- 通过同人交配来表现出亲社会的安慰行为.
- 中枢桃体 (MeA) 在关联触觉的神经控制中起着至关重要的作用.
- 这项研究揭示了编码和执行亲社会接触的特定神经电路机制.
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