青少年对高低人气的神经敏感性:与冒险和亲社会行为的纵向联系
Jimmy Capella1, Nathan A Jorgensen1, Seh-Joo Kwon1
1Department of Psychology and Neuroscience, The University of North Carolina at Chapel Hill, USA.
Developmental cognitive neuroscience
|August 18, 2023
概括
青少年的大脑追踪同龄人的受欢迎程度,影响行为. 对高人气的神经反应与增加的风险承担有关,而跟踪低人气则与更多的亲社会行为有关.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 社会神经科学是一种社会神经科学.
背景情况:
- 青少年对同龄人群的地位和人气非常敏感.
- 青春期的神经发育转变增加了对社会线索的关注.
- 了解人气跟踪的神经基础对于解释青少年行为至关重要.
研究的目的:
- 调查同行人气的神经跟踪与青少年冒险和亲社会行为的纵向变化之间的关联.
- 识别参与处理社会地位信息的特定大脑区域.
- 探索人气的神经反应中的个体差异如何预测行为发展.
主要方法:
- 功能性磁共振成像 (fMRI) 用于扫描青少年 (n=109) 在他们查看同龄人的图像时.
- 社会测量指标被用来识别受欢迎和不受欢迎的同学.
- 收集了关于冒险和亲社会行为的纵向行为数据.
主要成果:
- 在背中介前额叶皮质中高度受欢迎的神经跟踪与随后的冒险行为增加有关.
- 在右侧胰岛的低受欢迎程度的神经跟踪与随后的亲社会行为增加有关.
- 对人气的神经敏感度的个体变化预测了社会行为的变化.
结论:
- 对同伴人气的神经敏感性在塑造青少年行为轨迹方面发挥着重要作用.
- 特定的大脑区域,包括背中前额叶皮质和右侧胰岛,都参与处理人气信息.
- 这些发现突出了青春期社会行为发展的神经生物学基础.
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