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从群体内和群体外模型中学习诱导了对人类伴侣复制的分离效应

Jiajia Xie¹, Lin Li², Yang Lu^3,4

¹Department of Psychology, Normal College, Qingdao University, Qingdao 266071, China.

Social cognitive and affective neuroscience

|September 27, 2023

概括

伴侣复制受社会学习的影响,群体归属影响伴侣选择. 观察外组模型需要更多的认知资源来克服在验收复制期间的内组偏见.

科学领域:

社会心理学社会心理学
神经科学是一个神经科学.
进化心理学进化心理学

背景情况:

伴侣复制是一种社会学习策略,个人观察别人的交配选择.
以前的研究集中在个体模型属性上,忽视了群体归属的影响.
了解群体成员身份 (群体内与群体外) 如何影响伴侣复制是至关重要的.

研究的目的:

调查模型的群体属性是否以及如何影响伴侣复制行为.
检查基底的神经机制伴侣复制从内组对外组模型.
探索时结 (TPJ) 和前侧中侧前额叶皮层 (amPFC) 在伴侣偏好的社会学习中的作用.

主要方法:

在观察女性模型的选择之前和之后,评估选择潜在伴侣的意愿的行为实验.
功能磁共振成像 (fMRI) 用于测量伴侣复制任务期间的大脑活动和连接.
对群内与群外模型以及接受与拒绝复制场景的反应进行比较.

主要成果:

参与者的伴侣偏好转移,与观察到的模型的选择 (接受或拒绝) 保持一致.
接受复制比拒绝复制更强,并根据模型组成员关系调节.
观察外组模型导致了折扣复制效应,TPJ活动增加和TPJ-amPFC连接,预测了更大的评级变化.

结论:

伴侣复制受观察到的模型的社会群体归属的影响.
从外部群体成员的接受复制需要更大的认知资源来克服群体内偏见.
TPJ和amPFC的参与表明,TPJ在推断不同个人的意图和管理不同个人的社会信息方面发挥了作用.

关键词:

TPJJ 是一个很好的方法.amPFC 是一个有价值的公司.人类伴侣复制复制.在集团内和集团外的公司.这是一种精神化的思维.

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