儿童不良经历如何深入皮肤:对威胁和奖励学习机制进行系统审查,整合和方法论讨论
Julia Ruge1, Mana R Ehlers2, Alexandros Kastrinogiannis1,3
1University Medical Center Hamburg-Eppendorf, Institute for Systems Neuroscience, Hamburg, Germany.
eLife
|July 16, 2024
概括
儿童不良经历 (ACE) 通过改变威胁和奖励学习与精神病理学有关. 这次审查发现ACE患者的学习过程变得模糊,这表明精神健康状况的机制性途径.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 发展科学 发展科学
背景情况:
- 儿童不良经历 (ACE) 是精神病理学的重要风险因素.
- 将ACE与精神病理联系在一起的机制尚未完全理解.
- 关联式学习对于情绪和行为反应至关重要,并且可能会受到ACE的影响.
研究的目的:
- 系统地审查和整合关于ACE和威胁和奖励学习之间的关联的证据.
- 探索ACE如何影响协会学习过程的成熟.
- 确定从ACE到精神病理学的潜在机制性途径.
主要方法:
- 按照PRISMA指南进行系统的文献搜索.
- 包括81篇文章 (38篇关于威胁学习,43篇关于奖励学习).
- 对ACE和学习的各种研究中行为发现的分析.
主要成果:
- 在有ACE病史的人群中观察到异常关联性学习的一致模式.
- 麻木的威胁学习,特点是威胁和安全线索之间的歧视减少.
- 奖励学习减弱,表现为奖励获取任务的准确性和学习率下降.
结论:
- 模糊的威胁和奖励学习可能是ACEs赋予精神病理风险的关键机制.
- 由于ACEs,这些学习变化可能会在生理和神经生物学上嵌入.
- 未来的研究应该考虑方法和ACE评估标准化.
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