改变了区域大脑活动,缓解了童年创伤和抑郁症严重程度之间的关系
Zhanjie Luo1, Weicheng Li1, Fan Zhang1
1The First School of Clinical Medicine, Southern Medical University, Guangzhou, China; Department of Child and Adolescent Psychiatry, Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province, Ministry of Education of China Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China.
童年创伤通过改变左侧中圈中的大脑活动,显著影响严重抑郁症 (MDD). 这些大脑变化可能解释了创伤和抑郁症严重程度之间的联系.
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.
- 医疗成像医学成像
背景情况:
- 童年创伤 (CT) 是主要抑郁障碍 (MDD) 的重要危险因素.
- 改变区域大脑活动与CT和MDD之间的关系有关.
- 了解这些神经生物学机制对于改善MDD治疗至关重要.
研究的目的:
- 研究儿童创伤 (CT),区域大脑活动和MDD患者抑郁症严重程度之间的关系.
- 确定与CT和MDD相关的特定大脑区域和功能指标.
- 探索区域大脑活动在CT-MDD关系中的调节作用.
主要方法:
- 在96名MDD患者和82名健康对照者 (HCs) 中,使用低频波动的分数幅度 (fALFF) 和区域同质性 (ReHo) 来比较区域大脑活动.
- 检查了CT (童年创伤问卷 - CTQ分数) 和抑郁症严重程度 (汉密尔顿抑郁症评分表 - HAMD-17分数) 之间的关联.
- 评估了fALFF和ReHo值对CTQ和HAMD-17分数之间的关系的影响.
主要成果:
- 与HC患者相比,MDD患者在左侧中圈表现出增加的fALFF和ReHo (p < 0.001).
- fALFF和ReHo值调节了CTQ分数和HAMD-17总和延迟分数之间的正相关性 (p <0.05).
- 较高的fALFF和ReHo值与儿童创伤和抑郁症严重程度之间的更强的正相关性有关.
结论:
- 改变区域大脑活动,特别是在左侧中旋环,在将童年虐待与抑郁症状联系起来方面发挥着关键作用.
- 这些发现表明,改变的大脑功能可能是MDD症状的神经生物学机制的基础,这些症状发生在有创伤史的人身上.
- 区域大脑活动测量可以作为与童年创伤相关的MDD的潜在诊断生物标志物.
更多相关视频
10:43Developing Neuroimaging Phenotypes of the Default Mode Network in PTSD: Integrating the Resting State, Working Memory, and Structural Connectivity
Published on: July 1, 2014
11:31Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting
Published on: November 30, 2015
相关概念视频
Post-traumatic Stress Disorder
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
Brain Imaging
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans), magnetic resonance imaging (MRI), functional magnetic resonance imaging (fMRI), and Transcranial Magnetic...
Attention-Deficit/Hyperactivity Disorder
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
Depressive Disorders: Etiology
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
Depression: Overview
