对于一个浪漫伴侣而言,在关系持续时间内,在 nucleus accumbens 中的神经特异性降低
Kenji Fujisaki1, Ryuhei Ueda2, Ryusuke Nakai2
1Department of Psychology, Graduate School of Letters, Kyoto University, Kyoto, 606-8501, Japan.
Social cognitive and affective neuroscience
|December 24, 2025
概括
人类大脑中的核 (NAcc) 可以区分恋爱伴侣和朋友. 在NAcc中这种神经区别随着浪漫关系的成熟而减弱.
科学领域:
- 神经科学是一个神经科学.
- 社会神经科学是一种社会神经科学.
- 神经成像是一种神经成像.
背景情况:
- 区分浪漫爱情与友的神经过程是一个挑战.
- 核 (NAcc) 对于对象特异性处理在小鸟中至关重要.
- 人类NAcc在区分伴侣和朋友以及关系成熟方面的作用尚不清楚.
研究的目的:
- 在人类NAcc,尾状核和门中研究伴侣与朋友的神经表征.
- 检查伴侣相关的神经处理如何随着关系持续时间的变化.
主要方法:
- 在社会激励延迟任务期间收集的fMRI数据.
- 多维素模式分析 (MVPA),包括基于分类器和基于相似性的方法.
- 对47名异性恋男性的神经活动模式的分析,这些男性代表了伴侣,女朋友和男朋友.
主要成果:
- 在NAcc,caudate和putamen中的神经活动模式区分了女性伴侣和女性朋友.
- 在NAcc中,女性朋友在神经上更接近男性朋友,而不是伴侣.
- 在NAcc中,更长的关系持续时间与伴侣和女朋友之间的神经反应不那么明显相关.
结论:
- 人类NAcc表现出特定于伴侣的神经处理.
- 随着浪漫关系的成熟,NAcc中的这种合作伙伴特异性会减少.
- 研究结果表明,随着时间的推移,社会结合神经回路中的可塑性.
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