在一般性焦虑症,创伤后应激障碍和社会焦虑症中共享和独特的形态相似性网络异常
Guifeng Tan1,2, Minlan Yuan1,2, Lun Li1,2
1Mental Health Center and Psychiatric Laboratory, the State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, No. 37 GuoXue Xiang, Chengdu, 610041, P. R. China.
BMC psychiatry
|January 3, 2025
概括
通用焦虑障碍 (GAD),创伤后应激障碍 (PTSD) 和社会焦虑障碍 (SAD) 分享大脑形态相似网络 (MSN) 异常. 在SAD中明显的MSN变化可能有助于区分这些焦虑症.
科学领域:
- 神经成像是一种神经成像.
- 精神病学是一个精神病学.
- 大脑网络 大脑网络
背景情况:
- 一般性焦虑障碍 (GAD),创伤后应激障碍 (PTSD) 和社会焦虑障碍 (SAD) 呈现出显著的症状重叠和并发症.
- 了解这些疾病的共同和独特的神经支对于准确的诊断和治疗至关重要.
- 这些焦虑障碍之间的形态相似性网络 (MSN) 差异以前没有被调查过.
研究的目的:
- 调查大脑形态相似性网络 (MSN) 在GAD,PTSD和SAD中的常见和疾病特异性变化.
- 识别潜在的神经基质,使这些焦虑障碍区分开来.
- 探索MSN异常和临床特征之间的关系.
主要方法:
- 获得T1权重磁共振成像 (MRI) 数据来自GAD,PTSD,SAD和健康对照 (HC) 患者.
- 构造和分析了形态相似性网络 (MSN),使用协差分析和特此测试来识别群体差异.
- 研究了MSN变化与临床测量 (例如,汉密尔顿焦虑评分表) 之间的相关性.
主要成果:
- 与HC和SAD相比,在GAD和PTSD中观察到常见的MSN变化,涉及诸如上皮质和前中心等区域.
- 社会焦虑障碍 (SAD) 显示出独特的MSN变化,包括面额中前皮层和上皮层之间的连接性增加.
- 与HC和SAD相比,在PTSD患者中特别观察到左前中心的区域MSN增加.
结论:
- 这项研究提供了第一个证据,表明在GAD,PTSD和SAD中存在共享和独特的大脑MSN异常.
- 鉴定到的MSN差异可能有助于对这些焦虑症的差异诊断.
- 这些发现表明基于独特的神经特征的潜在疾病特异性干预目标.
相关概念视频
Generalized Anxiety Disorder
29
Generalized Anxiety Disorder (GAD) is a chronic condition characterized by excessive and uncontrollable worry that persists for at least six months, significantly interfering with daily functioning. Unlike situational anxiety, which arises in response to specific stressors, GAD often occurs without a clear cause. Individuals may experience disproportionate worry about work, health, or relationships. For instance, a person might continuously fear poor health despite normal medical evaluations or...
29
Social Anxiety Disorder
12
Social anxiety disorder, also known as social phobia, is characterized by an intense fear of social situations where one might face humiliation, rejection, embarrassment, or negative evaluation. This disorder leads individuals to avoid activities like casual conversations, public speaking, or seemingly simple tasks such as eating, signing documents, or swimming, in public settings. Its impact extends beyond discomfort, often significantly interfering with daily functioning and quality of life.
12
Anxiety: Overview
204
Anxiety is a common mental disorder featuring excessive worry, fear, and apprehension, significantly affecting daily life. People with anxiety disorders experience persistent and intense anxiety, interrupting their everyday functioning.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
204
Panic Disorder
15
Panic disorder is an anxiety disorder characterized by recurrent and sudden minutes-long episodes of intense fear, known as panic attacks. These attacks may feel like heart attacks and often happen without warning or a specific cause. They can include symptoms such as rapid heart rate, shortness of breath, chest pain, trembling, sweating, dizziness, and a sense of helplessness. During a panic attack, individuals may feel as though they are experiencing a heart attack or are in a...
15
Post-traumatic Stress Disorder
13
Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
13
Personality Disorders: Narcissistic and Avoidant
12
Narcissistic and avoidant personality traits represent two contrasting patterns of behavior that significantly influence social interactions and self-perception. While individuals with narcissistic disorder seek admiration and validation, individuals with avoidant personality disorder withdraw due to fear of judgment.
Characteristics of Narcissistic Personality Disorder
Narcissistic individuals exhibit an inflated sense of self-importance and an excessive need for admiration. They are often...
Characteristics of Narcissistic Personality Disorder
Narcissistic individuals exhibit an inflated sense of self-importance and an excessive need for admiration. They are often...
12


