在ABCD研究中,在患有泛性焦虑症的年轻人中休息状态皮质网络和皮质下超连接性
Sam A Sievertsen1, Jinhan Zhu1, Angela Fang1
1Department of Psychology, University of Washington, Seattle, Washington.
Biological psychiatry. Cognitive neuroscience and neuroimaging
|February 23, 2025
概括
青少年的泛性焦虑症 (GAD) 与大脑连接的改变有关,特别是在腹部注意网络 (VAN) 中. 这项研究揭示了GAD年轻人的特定超连接模式.
科学领域:
- 神经科学是一个神经科学.
- 儿童和青少年精神病学 儿童和青少年精神病学
- 脑部成像 脑部成像
背景情况:
- 泛性焦虑症 (GAD) 通常始于青春期,但儿科GAD中的大脑连接性未得到充分研究.
- 以前对GAD功能连接性的成人研究是零碎的,限制了全面的观点.
- 这项研究利用青少年大脑认知发展 (ABCD) 研究的fMRI数据来检查青年GAD连接性.
研究的目的:
- 为了研究GAD青少年的功能性大脑连接差异.
- 探索成年GAD涉及的多个皮质网络和皮质下区域的连接性.
- 在两年时间内分析GAD相关连接的变化,考虑诊断转移.
主要方法:
- 利用了来自164名患有GAD的青少年和3158名健康对照者的休息状态fMRI数据.
- 使用线性混合效应模型评估皮层和皮层下区域的网络内和网络之间的连接性.
- 对连续GAD,发送器和转换器与控制器的连接性变化比较两年.
主要成果:
- 患有GAD的年轻人表现出增加的腹腔内注意网络 (VAN) 连接.
- 在杏仁体和皮带骨网络之间,以及在条状区域和多个网络 (皮带骨,默认模式,突出) 之间观察到超连接性.
- 这些超连接模式是GAD特有的,而不是在其他焦虑或抑郁症中发现的.
结论:
- 儿童和青少年GAD与皮下皮层到皮层网络连接的改变有关.
- 在VAN内部的超连接性与年轻人临床上显著的GAD症状特别相关.
- 这些发现突显了GAD在生命早期阶段的神经基础.
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