中间前额叶皮质有助于代表群体成员之间的共同目标:tDCS的证据
Jipeng Duan1, Qingqing Ye1, Yinfeng Hu2
1Department of Psychology, Ningbo University, Ningbo, China; Center of Group Behavior and Social Psychological Service, Ningbo University, Ningbo, China.
Neuropsychologia
|August 11, 2025
概括
针对中间前额叶皮质 (mPFC) 的跨直流刺激 (tDCS) 影响人们根据共同目标概括行动的方式. 阴道tDCS削弱了共同目标的信念,导致了渐进的行动泛化.
科学领域:
- 神经科学是一个神经科学.
- 社会认知是指社会认知.
- 认知心理学 认知心理学
背景情况:
- 个人经常根据所感知的目标将已知的群体成员的行为概括为不熟悉的群体成员.
- 这种概括通常受到对共同团体目标的信念的约束,从而导致一种非分级的期望模式.
研究的目的:
- 调查中部前额叶皮质 (mPFC) 在表达共同目标信念中的作用.
- 检查调节mPFC刺激性如何影响基于目标的行动概括.
主要方法:
- 90名健康参与者 (年龄在15-27岁) 接受了针对mPFC的阳极,阴极或虚假的横直流刺激 (tDCS).
- 参与者完成了隐式和显式任务,评估基于目标信息和行动流行率的行动概括.
主要成果:
- 阴极tDCS降低了mPFC兴奋度,在隐式任务中将动作概括从非分级转变为分级模式.
- 阳极和假刺激在隐式任务中保持了非分级的模式.
- 阳极和阴极tDCS都在明确任务中诱导了分级概括,与假刺激不同.
结论:
- 中间前额叶皮质 (mPFC) 对于表达群体成员共享共同目标的信念至关重要.
- 调节mPFC活动影响社会信念与统计证据的整合,以指导社会期望和行动的概括.
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