在青少年时期的皮质醇应激反应轨迹中,虐待类型的差异
Melissa K Peckins1, Sonya Negriff2,3, Elana B Gordis4
1Department of Psychology, St. John's University, Queens, New York, USA.
Child development
|December 20, 2023
概括
童年虐待与青少年的皮质醇应激反应变化有关. 受虐待的年轻人表现出皮质醇反应的减弱,特别是那些经历过性和身体虐待的人,这影响了他们的压力恢复.
科学领域:
- 发展心理学 发展心理学
- 神经内分泌学神经内分泌学
- 儿童精神病学 儿童精神病学
背景情况:
- 童年虐待是一个重要的公共卫生问题,对压力调节有长期影响.
- 青春期是神经发育和下丘脑-垂体-上腺 (HPA) 轴的成熟的关键时期.
- 了解虐待青少年的皮质醇应激反应轨迹对于识别风险人群和告知干预措施至关重要.
研究的目的:
- 为了检查青春期的皮质醇应激反应轨迹,虐待和比较年轻人.
- 根据虐待状况和类型,调查皮质醇激活峰值,反应性和恢复斜率的差异.
- 模拟与年龄相关的皮质醇反应变化,与生命早期的逆境相关.
主要方法:
- 在洛杉矶县招募的454名年轻人 (9岁以上) 的纵向研究.
- 通过特里尔儿童社会压力测试对皮质醇水平的评估,通过四个波的测试.
- 统计建模以分析按年龄和虐待状况的峰值激活,反应和恢复轨迹.
主要成果:
- 虐待的青少年在9岁时表现出与不虐待的同龄人相比,皮质醇反应性减弱.
- 经历性虐待和身体虐待的年轻人显示显著减弱皮质醇反应和恢复轨迹.
- 情绪虐待和忽视与不同的皮质醇反应模式有关,尽管仍有变化.
结论:
- 童年虐待,特别是性和身体虐待等严重形式的虐待,显著改变了青少年的皮质醇应激反应.
- 这些发现凸显了早期逆境对HPA轴功能和发展过程中压力调节的持久影响.
- 识别HPA轴失调的特定模式可以为受虐待的青少年提供有针对性的干预措施.
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