面孔之间:童年逆境与青春期面部表情处理期间的威胁安全歧视减少有关
Celine Samaey1,2, Stephanie Van der Donck3,4, Aleksandra Lecei5,3
1Center for Clinical Psychiatry, Research Group Psychiatry, Department of Neurosciences, KU Leuven, Louvain, Belgium. celine.samaey@kuleuven.be.
BMC medicine
|September 10, 2024
概括
童年的逆境改变了青少年的面部表情处理,导致误解中立的面孔是敌对的. 这种减少的威胁安全歧视可能会增加精神病理的风险.
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
- 心理病理学 心理病理学
背景情况:
- 童年逆境与改变的威胁处理有关,包括注意力偏差和敌对的归因,尽管研究结果各不相同.
- 以前的研究表明,在遭遇逆境后,个人对情绪表情的感知方式可能会发生变化.
研究的目的:
- 隐式测量在有或没有童年逆境暴露的青少年中神经表情处理.
- 调查童年逆境对神经敏感性和对中立,快乐和愤怒的面孔的反应的影响.
主要方法:
- 在120名青少年 (12-16岁) 中利用快速周期性视觉刺激与脑电图 (EEG) 结合.
- 评估神经对中性,快乐和愤怒的面部反应,使用两个不同的范式.
- 采用线性混合效应模型来分析童年逆境对面部表情处理的影响.
主要成果:
- 暴露于逆境的青少年对愤怒的面孔的神经歧视减少,对中立面孔的快乐面孔的歧视增加.
- 与对照人群相比,暴露于逆境的青少年对同时愤怒和中立的面孔的神经反应能力较低.
- 这些发现与假设形成了对比,表明威胁感知发生了变化,而不仅仅是增加了.
结论:
- 童年逆境与对中性面孔的敌对归因偏见有关,模糊了中性和愤怒表情之间的区别.
- 在遭遇逆境后,这种威胁安全歧视的减少可能会增加患上精神病理的风险.
- 这项研究强调了由于早期生活压力而导致的情感面部处理的细微变化.
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