基于潜在的迪里克莱特分配模型的双相情感障碍患者的休息状态大脑功能连接模式的个人自杀风险因素
Xinruo Wei1, Junneng Shao1, Huan Wang1
1School of Biological Sciences & Medical Engineering, Southeast University, Nanjing 210096, China; Child Development and Learning Science, Key Laboratory of Ministry of Education, China.
Progress in neuro-psychopharmacology & biological psychiatry
|August 10, 2024
概括
用休息状态功能连接 (RSFC) 模式确定了双相情感障碍 (BD) 中自杀的客观风险标志物. 默认模式,突出和中央执行网络的异常预测BD患者的自杀风险.
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.
- 计算精神病学是一种计算精神病学.
背景情况:
- 自杀是双相情感障碍 (BD) 的一个重要问题,突出了客观风险标志物的需要.
- 目前的预测方法需要加强对BD患者的个体风险评估.
研究的目的:
- 为了确定在双相情感障碍中自杀的客观,基于大脑的风险标志物.
- 探索休息状态功能连接 (RSFC) 模式与BD中自杀风险之间的关系.
主要方法:
- 招募了123名BD患者 (有或没有先前的自杀企图) 和68名健康对照.
- 利用隐性迪里克莱特分配 (LDA) 来分析静止状态功能连接 (RSFC) 模式.
- 与自杀风险评估相关的个人RSFC模式.
主要成果:
- 确定了三个不同的超/低RSFC模式.
- 在有或没有先前自杀企图的患者之间观察到默认模式网络 (DMN) 和突出/中央执行网络 (SN/CEN) 连接模式的显著差异.
- 特定的RSFC模式与自杀风险得分正负相关,表明预测价值.
结论:
- 异常的RSFC模式,特别是涉及DMN,SN和CEN,与双相情感障碍中自杀风险有关.
- 这些发现为BD中自杀风险预测提供了潜在的客观生物标志物.
- 这项研究支持改善临床决策,以便在高危人群中及时进行查和干预.
相关概念视频
Bipolar Disorder
60
Bipolar disorder is a chronic mental health condition marked by significant mood fluctuations, including episodes of mania and depression. Elevated energy levels, heightened mood or irritability, impulsive behavior, reduced sleep needs, rapid speech, racing thoughts, inflated self-esteem, and distractibility characterize mania. Individuals with bipolar disorder often alternate between depressive and manic states, with periods of emotional stability lasting an average of six months to a year.
60
Borderline Personality Disorder
37
Borderline Personality Disorder is a complex and multifaceted mental health condition characterized by pervasive instability in interpersonal relationships, self-image, emotions, and impulse control. This instability manifests in extreme emotional reactions, fear of abandonment, and self-destructive behaviors. The disorder significantly impacts daily functioning, often leading to distress in both personal and professional domains.
Genetic and Environmental Contributions
Borderline Personality...
Genetic and Environmental Contributions
Borderline Personality...
37
Depressive Disorders: Etiology
59
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...
59
Psychological and Sociocultural Causes of Schizophrenia
81
Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
81
Biological Causes of Schizophrenia
51
Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
51


