社会网络的大小会影响的神经回路
J Sallet1, R B Mars, M P Noonan
1Department of Experimental Psychology, University of Oxford, Oxford OX1 3UD, UK. jerome.sallet@psy.ox.ac.uk
概括
生活在更大的社会群体中增加了特定大脑区域的灰质,并增强了子的神经活动合. 这表明社交网络的大小会影响大脑结构和功能.
科学领域:
- 神经科学是一个神经科学.
- 灵长类动物学 灵长类动物学
- 社会认知是指社会认知.
背景情况:
- 以前的研究表明,社交网络的大小和大脑结构变化之间存在相关性.
- 社交网络大小和大脑结构变化之间的因果关系仍然未确立.
研究的目的:
- 调查社交网络的大小是否因果关系影响大脑结构和功能.
- 探索非人类灵长类动物中社会复杂性的神经支柱.
主要方法:
- 对23只子进行了神经成像,这些子被安置在不同大小的社会群体中.
- 分析了大脑结构 (灰质) 和功能活动的合.
- 还评估了社交网络中的统治地位等级.
主要成果:
- 在较大的群体中生活导致中上时和正面前额皮层中灰质增加.
- 在较大的群体中,在额叶和叶皮层区域之间观察到增强的功能活动合.
- 这些地区的灰质差异与个体主导等级相关.
结论:
- 社交网络的大小是改变大脑结构和功能的因果因素.
- 这些神经变化可能会对社会成功和统治产生影响.
- 这项研究提供了社会环境对大脑的神经生物学影响的证据.
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