行为传染导致大脑功能网络朝着更平衡的状态发展
Mohsen Mobasseri1, Abdol-Hossein Vahabie2, Gholamreza Jafari3
1Institute for Cognitive Science Studies, Tehran, Iran.
Brain imaging and behavior
|March 4, 2026
概括
行为传染,即倾向于模仿他人的行为,涉及到大脑网络转向稳定. 观察他人 观察他人
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:
- 行为传染,符合观察到的行为,在社会动态中至关重要,但其神经支柱仍然不清楚.
- 了解行为传染的大脑机制可以揭示社会影响和决策过程.
研究的目的:
- 为了研究与行为传染有关的大脑功能网络的稳定性变化.
- 为了测试大脑网络在行为传染后达到更稳定的状态的假设.
主要方法:
- 使用功能磁共振成像 (fMRI) 记录独裁者游戏任务期间的大脑活动.
- 应用结构平衡理论 (SBT) 来分析参与者观察别人的选择之前和之后的大脑功能网络的稳定性.
- 根据偏好变化将参与者分为"传染"和"无传染"组.
主要成果:
- 行为传染与网络链接重组相关,将不平衡的三位数转变为平衡的三位数,从而减少"平衡能量".
- 大脑功能网络在感染组的观察后表现出增加的稳定性 (较低的平衡能量).
- 在无感染组中,没有观察到大脑网络稳定性的显著变化.
结论:
- 行为传染与过渡到更稳定的大脑功能网络状态有关.
- 观察到的稳定包括改变大脑网络内的负链接 (反相关联联) 的拓.
- 观察后向更稳定的大脑网络状态的转变可能是驱动行为传染的一个关键机制.
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