精神分裂症患者的自杀倾向,感知到的慢性压力和压力诱导的皮质醇变化
Yi Yin1,2, Jinghui Tong1, Junchao Huang1
1Peking University HuiLongGuan Clinical Medical School, Beijing HuiLongGuan Hospital, Beijing, China.
概括
精神分裂症的自杀倾向与更高的感知压力相关,但并没有改变对急性任务的皮质醇反应. 这表明,在高度自杀倾向的个体中,主观压力评估和生物压力反应之间存在脱节.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 内分泌学 在内分泌学.
背景情况:
- 自杀倾向是精神分裂症的一个重要问题,但它与压力的关系,特别是感知压力和皮质醇反应性,仍未得到充分探索.
- 了解这些关联对于开发有针对性的干预措施至关重要.
研究的目的:
- 在精神分裂症患者中调查自杀倾向与感知慢性压力之间的相关性.
- 在急性压力任务下检查皮质醇波动,与精神分裂症患者的自杀倾向水平相关.
主要方法:
- 该研究包括精神分裂症和高自杀倾向 (SZ-HS),精神分裂症与低自杀倾向 (SZ-LS) 和健康对照 (HC) 的个人.
- 参与者完成了感知压力量表,并进行了引发压力的任务 (定时听力序列加法任务,镜子追踪持久性任务) 与唾液皮质醇测量.
- 还评估了负面影响和错误率.
主要成果:
- 与SZ-LS和HC组相比,精神分裂症和高自杀倾向 (SZ-HS) 的个人报告说,与SZ-LS和HC组相比,他们感受到的压力明显更高.
- 虽然压力任务在所有组都诱导了皮质醇的变化,但在SZ-HS和SZ-LS之间没有观察到皮质醇反应性的显著差异.
- 与SZ-LS相比,SZ-HS在任务中表现出更高的错误率.
结论:
- 精神分裂症的自杀倾向与感知压力的增加有关.
- 尽管感知压力较高,但自杀倾向较高的人与自杀倾向较低的人相比,在急性压力下没有明显的皮质醇反应模式.
- 这表明,在精神分裂症患者中,主观的压力评估和客观的生物压力系统反应之间存在潜在的分离.
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