认知同理会调解灰色物质体积大小,dorsomedial前额叶皮层和社交网络大小之间的关系:基于voxel的形态测量研究
Apoorva Veerareddy1, Huihua Fang2, Nooshin Safari1
1School of Systems Biology, George Mason University, Fairfax, VA, USA.
概括
背中中前额皮层 (dmPFC) 的灰质体积与社交网络大小相反. 认知同情调解了这一点,这表明减少dmPFC数量可以增强同情心,扩大社交网络.
科学领域:
- 神经科学是一个神经科学.
- 社会心理学 社会心理学
- 认知科学 认知科学
背景情况:
- 社交网络对于关系的发展和维护至关重要.
- 社会大脑网络结构和功能存在个体差异.
- 社交认知能力,如同情,对社交网络规模的影响还不太清楚.
研究的目的:
- 研究社会大脑网络区域,同理心和社交网络大小之间的关系.
- 探索社会网络形成和维护的基础的神经认知机制.
主要方法:
- 利用社交网络指数来评估社交网络的多样性,规模和复杂性.
- 采用基于voxel的形态测量和调解分析.
- 收集了204名年轻成年人的问卷和结构磁共振成像数据.
主要成果:
- 在dorsomedial前额皮层 (dmPFC) 和社交网络大小中发现灰质体积之间的反向关联.
- 认知同情显著调解了这种关系.
- 减少dmPFC灰质体积与增加的认知同情和更大的社交网络大小相关.
结论:
- 这项研究阐明了神经认知机制,将大脑结构,同情心和社交网络大小联系起来.
- 表明减少dmPFC灰质可能有助于更好地利用认知同情,可能扩大社交网络.
- 提出认知修剪作为一个潜在的机制,保证进一步的纵向研究.
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