对脑电图信号的功能连接性分析揭示了重大抑郁症治疗反应的潜在生物标志物
Shiau-Shian Huang1,2,3,4, Yu-Hsiang Yu3,5, His-Han Chen6
1Department of Medical Education, Taipei Veterans General Hospital, Taipei, Taiwan.
BMC psychiatry
|August 1, 2023
概括
脑电图 (EEG) 功能连接 (FC) 标记可以预测主要抑郁障碍 (MDD) 中的抗抑郁药反应. 治疗后改善的三角波FC表明疗效,响应者显示出明显的高频带模式.
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.
- 生物医学工程 生物医学工程
背景情况:
- 大型抑郁症 (MDD) 治疗疗效在个体之间有很大差异.
- 需要可靠的脑电图 (EEG) 标志物来识别可能对抗抑郁药物有反应的患者.
研究的目的:
- 研究与健康对照组相比,MDD患者脑电图中的功能连接 (FC) 差异.
- 为了确定基于EEG的FC标志物是否可以预测MDD患者的抗抑郁药治疗反应.
主要方法:
- 一项观察性研究涉及28名MDD患者和33名健康对照.
- 休息状态,闭眼的EEG数据被分析为使用节点强度,全球效率,集群系数和中间中心性的功能连接.
- 在MDD患者的抗抑郁药治疗一周后,在基线和一周后记录了EEG.
主要成果:
- 健康对照组表现出比MDD患者在基线时更高的三角波功能连接 (FC) 指数 (节点强度,全球效率,中间中心性,集群系数).
- 在抗抑郁药物治疗后,MDD患者在三角波FC指数中显著改善,包括全球效率,平均聚类系数和平均节点强度.
- 与非响应者相比,对抗抑郁药物有反应的个体在α和β频段中表现出更高的FC,这种模式在治疗前和治疗后都观察到.
结论:
- 与对照组相比,MDD患者的功能连接在基线时受损,并且在抗抑郁药物治疗后得到改善.
- 基于EEG的FC分析,特别是在三角波段,α波段和β波段,显示了作为MDD抗抑郁药反应的生物标志物的潜力.
更多相关视频
08:23A Multimodal Imaging- and Stimulation-based Method of Evaluating Connectivity-related Brain Excitability in Patients with Epilepsy
Published on: November 13, 2016
11.2K
05:19Author Spotlight: Therapeutic Benefit of Closed-Loop Deep Brain Stimulation in Depression Treatment
Published on: July 7, 2023
2.3K
相关概念视频
G Protein-coupled Receptors
G-protein-coupled receptors are ligand-binding receptors that indirectly affect changes in the cell. The actual receptor is a single polypeptide that traverses the cell membrane seven times, creating intracellular and extracellular loops. The extracellular loops create a ligand-specific pocket which binds to neurotransmitters or hormones. The intracellular loops hold onto the G-protein.The G-protein, or guanine nucleotide-binding protein, is a large heterotrimeric complex. Its three subunits...
Brain Imaging
Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
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 Stimulation (TMS).
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 Stimulation (TMS).
