在重度抑郁症中,在反过程中出现异常程度的中心性概况
Feng-Nan Jia1,2, Xiao Chen3,4,5,6,7, Xiang-Dong Du1,2
1Soochow University, Suzhou, Jiangsu, China.
Human brain mapping
|October 14, 2023
概括
这项研究表明,左上额头 (SFG) 在严重抑郁症 (MDD) 中的反神经回路中起着关键作用. 研究结果表明,受损的执行控制有助于MDD患者的反.
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.
- 认知心理学 认知心理学
背景情况:
- 化是主要抑郁症 (MDD) 的核心特征.
- 以前的神经成像研究将特征反与功能性大脑合联系起来,但MDD中活跃反的神经机制仍然不清楚.
- 度中心度 (DC) 衡量了网络集成对于像反这样的认知过程至关重要.
研究的目的:
- 研究与健康对照组 (HC) 相比,MDD患者的活性反背后的神经电路机制.
- 为了检查群体 (MDD与HC) 和任务条件 (反与分散注意力) 之间的相互作用,使用度中心性来研究大脑活动.
- 探索已识别的大脑区域的功能连接,以及它们与情感的关系.
主要方法:
- 使用了休息状态功能磁共振成像 (MRI).
- 参与者包括患有MDD (N=45) 和HC (N=46) 的个人,他们在MRI期间接受了反任务.
- 进行了顶点智能度中心性 (DC) 和基于种子的功能连接性 (FC) 分析,并使用神经合成和BrainMap进行了功能表征.
主要成果:
- 在左上额头回形 (SFG) 中发现了群体和条件之间的显著相互作用效应,与前额眼场重叠.
- 左 SFG 显示参与执行职能.
- 观察到左侧SFG与前侧双侧和背侧注意力网络 (DAN) 之间的功能连接 (FC) 中显著的相互作用效应.
结论:
- 左侧SFG在MDD的反神经回路中发挥了关键作用.
- 结果提供了证据,用于概念化MDD中的反与执行控制受损有关.
- 这项研究突出显示了前端双关节和DAN在MDD中反神经基础中的作用.
相关概念视频
Depressive Disorders: MDD and Dysthymia
142
Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...
142
Depressive Disorders: Etiology
107
Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
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...
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...
107
Depression: Overview
259
Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...
259
Self-Discrepancy Theory
18.3K
One influential perspective on what motivates people's behavior is detailed in Tory Higgin's self-discrepancy theory (Higgins, 1987). He proposed that people hold disagreeing internal representations of themselves that lead to different emotional states.
18.3K
Theory of Romantic Attachment in Adulthood
43.5K
Attachment is a long-standing connection or bond with others. While Attachment Theory was conceived in developmental psychology to describe infant-caregiver bonding, it's been extended into adulthood to include romantic relationships.
43.5K
Anorexia Nervosa
111
Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
111


