吸引力和目光的奖励价值
K K Kampe1, C D Frith, R J Dolan
1Institute of Cognitive Neuroscience, University College London, 17 Queen Square, London WC1N 3AR, UK. k.kampe@ucl.ac.uk
Nature
|October 12, 2001
概括
与不熟悉的面孔直接的眼神接触增强了人们的吸引力,增加了腹部条纹体的活动. 这表明奖励系统很早就参与了社会互动,受目光方向的影响.
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:
- 面部对于社交线索至关重要,眼睛的目光扮演着重要的角色.
- 了解面部感知如何影响社交互动是关键.
研究的目的:
- 根据眼睛的凝视方向来研究面部感知吸引力的神经相关性.
- 为了确定奖励途径是否在最初的社交接触中被激活.
主要方法:
- 功能磁共振成像 (fMRI) 用于测量大脑活动.
- 参与者看着不熟悉的面孔,看着不同的视线方向.
- 收集了人们对吸引力的评分.
主要成果:
- 当用直接眼睛看着面部时,观察到腹部条纹体中大脑活动的增加.
- 当眼睛的目光被转移时,腹部条纹体活动的减少发生了.
- 感知到的吸引力与腹部条纹体激活相关.
结论:
- 直接的眼神凝视增强了陌生人脸的感知吸引力.
- 与奖励预测相关的多巴胺基区域,通过凝视方向被激活.
- 在社会互动开始时,中央奖励系统似乎被激活.
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