年长的成年人是否不那么慷慨? 与情感相关的社会决策中的年龄差异
Hong-Zhou Xu1, Xue-Rui Peng2, Shen-Yin Huan1
1Faculty of Psychology, Southwest University, Chongqing 400715, China.
NeuroImage
|July 29, 2024
概括
老年人对悲伤的人不那么慷慨,原因是神经处理情绪的减少. 年龄通过大脑区域影响社会决策,比如insula和dorsomedial前额叶皮层.
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
- 老年学是一门学科.
背景情况:
- 情绪处理中的与年龄相关的变化会影响社会决策.
- 以前的研究忽视了情绪在与年龄相关的社会决策差异中的作用.
研究的目的:
- 研究社会决策中的年龄差异,考虑交互者的情绪.
- 探索与年龄相关的情绪影响社会行为的变化背后的神经机制.
主要方法:
- 使用功能和结构磁共振成像 (fMRI和sMRI).
- 采用修改过的独裁者游戏,接收者表现出中立或悲伤的面部表情.
- 应用代表性相似性分析和调解分析.
主要成果:
- 与年轻人相比,老年人表现出与情感相关的慷慨减少.
- 年长的成年人在关键大脑区域 (ACC,insula,DMPFC) 的情绪神经表现和灰质体积减少.
- 与年龄相关的社会决策是由insula,DMPFC和ACC中的神经表示和灰质体积调解的.
结论:
- 识别神经通路,将年龄,情绪处理和社会决策联系起来.
- 表明老年人的慷慨减少取决于背景,特别是与情绪线索有关.
- 提升了对老年人社交互动的理解.
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