解码早期精神病:在独立的队列中解开与精神病理相关的稳定微观结构特征
Haley R Wang1, Zhen-Qi Liu2, Hajer Nakua3
1Department of Psychology, University of California, Los Angeles, Los Angeles, California; Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles, California.
Biological psychiatry
|June 22, 2024
概括
早期精神病 (EP) 患者表现出稳定的神经生物学特征,将白质变化与负面和体质症状联系起来. 这种数据驱动的方法有助于早期干预开发,通过识别跨诊断的共享神经支.
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:
- 早期精神病 (EP) 呈现出显著的患者变异性,使预测结果复杂化.
- 有限的证据表明神经微结构性质与EP症状概况之间存在稳定的联系.
- 这种差距阻碍了有针对性的早期干预措施的发展.
研究的目的:
- 在早期精神病 (EP) 中使用数据驱动方法识别稳定和可概括的神经生物学特征.
- 在独立的EP队列中检查白质性质和症状学之间的多变量关系.
- 探索EP中症状概况的跨诊断神经生物学基础.
主要方法:
- 在两个独立的EP患者数据集 (n=124和n=78) 中利用了部分最小平方相关性.
- 包括患有精神分裂症,精神分裂情绪障碍和精神病情绪障碍的人.
- 检查了白质微观结构性质和症状概况之间的关系.
主要成果:
- 一个显著的潜伏成分将负面症状 (表达减弱) 和体征症状与皮下和前额关联纤维中的白质破坏联系起来.
- 在一个队列上训练的模型准确地预测了复制队列中的特征.
- 这些发现在所有诊断中都是一致的,并不受药物或物质使用的影响.
结论:
- 在诊断和数据集中发现了EP白质变化的稳定,可复制的神经生物学特征.
- 这些变化与特定的负面和体征症状特征有很大差异.
- 数据驱动的方法可以揭示EP症状领域的共享神经生物学基础,表明临床实用性.
相关概念视频
Psychological and Sociocultural Causes of Schizophrenia
82
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...
82
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
569
Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
569
Biological Causes of Schizophrenia
54
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...
54
Theoretical Approaches to Psychological Disorder
217
The development of psychological disorders, which are characterized by deviant, maladaptive, and personally distressing behaviors, has been explored through several theoretical approaches.
Biological approach
The biological approach posits that internal, organic factors are the primary causes of such disorders. This perspective emphasizes brain structure and function, genetic predispositions, and neurotransmitter imbalances. For example, schizophrenia has been associated with both genetic...
Biological approach
The biological approach posits that internal, organic factors are the primary causes of such disorders. This perspective emphasizes brain structure and function, genetic predispositions, and neurotransmitter imbalances. For example, schizophrenia has been associated with both genetic...
217
Depressive Disorders: Etiology
65
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...
65
Structuralism
624
Structuralism, an early psychological theory developed by Wilhelm Wundt and his student Edward Bradford Titchener, sought to dissect the human mind into its most fundamental components. Wundt's groundbreaking work in his laboratory set the stage for Titchener to define structuralism's goal as cataloging the "atoms" of the mind—sensations, images, and feelings—akin to how chemists identify elements of matter.
Titchener's approach to structuralism was unique. He...
Titchener's approach to structuralism was unique. He...
624


