在患有童年创伤的精神健康成年人中,前边边缘白质微观结构变化
Chanellé Hendrikse1, Hilmar Klaus Lückhoff1, Jean-Paul Fouché1,2
1Department of Psychiatry, Stellenbosch University, Cape Town, South Africa.
Journal of neuroscience research
|February 16, 2024
概括
童年创伤会影响大脑白质的微观结构. 特定类型的童年创伤,如忽视,与成人白质完整性的改变有关,可能会影响认知功能.
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.
- 发展心理学 发展心理学
背景情况:
- 童年创伤 (CT) 与大脑发育的改变和精神疾病有关.
- 对CT对健康成年人,特别是发展中国家白质微观结构的影响的研究是有限的.
- 边缘通道特别容易受到早期生活压力的影响.
研究的目的:
- 研究不同类型的童年创伤与精神健康成年人的白质微观结构之间的关联.
- 为了检查在童年虐待和忽视后的前边边路段的分数异构 (FA) 变化.
- 探索发展中国家成年人潜在的长期神经后果.
主要方法:
- 扩散张力成像 (DTI) 用于评估白质的完整性.
- 参与者填写了童年创伤问卷 (CTQ).
- 多变量差异分析 (MANOVA) 模型分析了CT亚型和FA在六个关键区域之间的关系,控制共变量.
主要成果:
- 整体CT显著影响了目标边缘通道中的FA (p < .001).
- 较高的CT严重程度与内末端和内前肢 (ALIC) 的较低的FA相关.
- 非暴力/剥夺性创伤特别与ALIC中减少的FA有关.
结论:
- 不同类型的童年创伤与明显健康的成年人的微观结构变化有关.
- 在ALIC的变化可能会影响前额叶皮层的连接性,可能会影响认知衰老和精神病风险.
- 这些发现突显了早期生活逆境对不同人群的持久神经生物学影响.
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