语境处理在创伤后压力代际传播中的调节性作用
Shannen Graf1,2, Ryan J Murray1, André Frei1
1Division of Child and Adolescent Psychiatry, Department of Psychiatry, Lausanne University Hospital (CHUV), Lausanne, Switzerland.
概括
背景处理较差的母亲显示,他们的创伤后压力症状与儿童失调之间存在联系. 情境编码和记忆 (CEM) 和心率变化 (HRV) 等心理生理学标记可能会影响代际创伤传播.
科学领域:
- 心理学 心理学 心理学
- 心理生理学 心理生理学
- 发展心理学 发展心理学
背景情况:
- 创伤的代际传播是一个重大问题.
- 了解这些机制,特别是母亲的心理生理学和认知处理,对于早期干预至关重要.
- 母亲的创伤后应激症状 (PTSS) 可能会影响孩子的发育,但调解因素需要进一步调查.
研究的目的:
- 研究背景处理在暴露于威胁刺激的母亲中起的缓和作用.
- 探索潜在的心理生理机制,这些机制是创伤后压力代际传播的基础.
- 检查母亲PTSS,背景处理和儿童失调之间的关系.
主要方法:
- 一项试点研究涉及31名母亲及其幼儿.
- 母亲完成了情感面孔和背景的上下文编码和记忆 (CEM) 任务.
- 测量了母亲心率变化 (HRV),母亲报告了不良生命事件 (ALE) 和PTSS.
主要成果:
- 母亲的PTSS,而不是ALE,预测了背景处理差的母亲的儿童失调 (p=.017).
- 基线HRV与识别与愤怒面孔相关的背景有负相关性 (p=.006),与识别愤怒面孔有边际相关性 (p=.059).
- CEM任务绩效和HRV作为潜在的心理生理学标记.
结论:
- 背景处理缓解了母亲PTSS和儿童失调之间的联系.
- CEM和HRV被确定为代际创伤传播的潜在心理生理学标志物.
- 这些发现表明了早期识别和干预受创伤影响的家庭的新途径.
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