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在童年虐待和同伴受害中,厌恶处理的常见神经相关性
Lena Lim1, Katya Rubia2, Steve Lukito2
1Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore; and Department of Child & Adolescent Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King's College London, UK.
BJPsych open
|October 28, 2024
概括
童年虐待或同龄人受害导致的早期生活压力会改变情绪处理区域的脑功能. 这种大脑低活化与自我伤害风险和情感精神病理学有关.
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
- 精神病学是一个精神病学.
背景情况:
- 童年虐待和同龄人受害是早期人际关系压力的重要来源.
- 童年虐待与非典型的前体皮情绪处理和调节有关,增加了自我伤害/自杀的脆弱性.
- 很少有研究在神经功能上比较了照顾者与同伴造成的虐待.
研究的目的:
- 为了比较年轻人暴露在童年虐待和同伴受害中的面部情绪处理的神经功能相关的变化.
- 探索这些神经功能变化与自我伤害行为之间的关联.
主要方法:
- 功能性磁共振成像 (fMRI) 数据从114名参与者中收集 (39名儿童虐待,37名同行受害,38名对照) 在情绪歧视任务期间.
- 进行了兴趣区域 (杏仁体,胰岛) 和全脑分析.
主要成果:
- 虐待和受害者群体在厌恶处理期间与对照组相比,显示右桃体和双边后部岛屿激活减少.
- 左岛内低活化与虐待青少年自我伤害的增加相关.
- 整个大脑的分析显示,在两组的边缘-thalamic-striatal,前/后带,,形/舌头和小脑区域的低活化,与对照组的情绪问题和虐待青少年的自我伤害增加有关.
结论:
- 从照顾者或同龄人的早期人际关系压力与边缘-thalamic-striatal,precuneus / posterior cingulate和体感官区域的厌恶处理中常见的低活化有关.
- 这种低活化可能是一种应对机制,但也增加了情感心理病理的风险.
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