种族/种族歧视影响青少年大脑连接:社会缓冲和对执行功能的影响
Natasha Duell1, Gabriella M Alvarez2, Eva H Telzer3
1Department of Psychology and Child Development, California Polytechnic State University, San Luis Obispo, United States.
Developmental cognitive neuroscience
|October 8, 2025
概括
种族歧视通过改变大脑连接来影响青少年的执行功能. 亲属关系和学校的支持可能会缓解这些负面影响,促进有色人种年轻人的性.
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
- 社会学 社会学 社会学
背景情况:
- 种族和民族歧视对青少年的运作有负面影响.
- 它对青少年大脑发育的影响仍未得到充分研究.
- 了解这些神经机制可以为弹性和可塑性研究提供信息.
研究的目的:
- 检查种族/种族歧视对执行职能的纵向影响.
- 研究静止状态功能连接在这个过程中的作用.
- 探索家庭主义和学校支持作为潜在的缓冲因素.
主要方法:
- 从青少年大脑和认知发展研究中对4669名有色人种青少年进行了纵向研究.
- 评估种族/民族歧视和执行功能 (Flanker测试).
- 分析了休息状态的功能连接,家庭主义和学校支持.
主要成果:
- 更大的歧视阻碍了选择性关注和抑制性控制.
- 这种效应是由注意力网络连接的纵向变化介导的,特别是在低家庭主义的青少年中.
- 较低的学校支持与在歧视后增加的背部注意力突出网络连接性有关.
结论:
- 研究结果提供了神经生物学证据,证明歧视如何影响青少年大脑功能.
- 亲属关系和学校支持显示出作为保护因素的潜力,减轻歧视的不利影响.
- 强调社会环境优势在促进大脑健康和弹性方面的重要性.
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