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相关概念视频

Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

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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...
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Biological Causes of Schizophrenia01:29

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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...
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Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

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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...
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Hypothalamic-Pituitary Axis01:37

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The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. The HPA axis is part of the neuroendocrine system because it involves both neuronal and hormonal communication. Its function is to regulate homeostatic systems—metabolic, cardiovascular, and immune—providing the necessary means to respond to a stressor.
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Adrenal gland disorders manifest when the production of adrenal hormones deviates from the norm, resulting in either excessive or insufficient concentrations.
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Schizophrenia01:17

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Schizophrenia, a term introduced by Swiss psychiatrist Eugen Bleuler in 1911, describes a severe psychological disorder marked by profound disruptions in attention, thought processes, language, emotion, and interpersonal relationships. The core feature of schizophrenia is psychosis — a state characterized by a fundamental detachment from reality. This disconnection manifests through distorted logic, impaired perception, and atypical behavior, severely affecting the lives of those...
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相关实验视频

Updated: May 26, 2025

Chronic Stress Shifts Effort-Related Choice Behavior in a Y-Maze Barrier Task in Mice
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皮质醇在精神分裂症谱系障碍:一个全面的元分析.

Lydia Kogler1, Rui Wang2, Teresa Luther3

  • 1Department of Psychiatry and Psychotherapy, Tübingen Centre for Mental Health (TüCMH), Medical Faculty, University of Tübingen, Calwerstrasse 14, 72076 Tübingen, Germany; German Center for Mental Health (DZPG) Partner Site Tübingen 72076 Tübingen, Germany.

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概括

抗精神病治疗降低了皮质醇在精神分裂症谱系障碍 (SSD). 与健康对照人群相比,SSD患者的皮质醇水平发生变化,特别是早上和晚上基线皮质醇升高,德甲后抑制减少.

关键词:
抗精神病治疗是一种抗精神病治疗.皮质醇是一种皮质醇.德克萨米他是一种这是高风险的高风险.精神障碍 精神障碍 精神障碍精神分裂症谱系障碍 精神分裂症谱系障碍压力 压力 压力 压力

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科学领域:

  • 神经内分泌学神经内分泌学
  • 精神病学是一个精神病学.
  • 药理学 药理学是指药理学的学科.

背景情况:

  • 精神分裂症谱系障碍 (SSD) 与下丘脑-垂体-上腺 (HPA) 轴的失调有关,由改变的皮质醇水平证明.
  • 抗精神病药物是SSD的主要治疗方法,可能会影响HPA轴活动和皮质醇概况.
  • 了解SSD中的皮质醇动态对于阐明疾病机制和治疗效果至关重要.

研究的目的:

  • 在精神分裂症谱系障碍 (SSD) 患者中对皮质醇变化的综合元分析.
  • 评估抗精神病治疗对SSD患者皮质醇水平的影响.
  • 在SSD患者和健康对照者 (HC) 之间比较皮质醇参数 (基线,应激反应能力,头发皮质醇,德甲抑制).

主要方法:

  • 在PubMed,Web of Science和PsycINFO进行了系统的文献搜索,直到2024年11月.
  • 对121项研究的数据进行了元分析,其中包括9049名SSD患者.
  • 对皮质醇水平进行了分析,涉及抗精神病治疗效应,压力反应,头发皮质醇和SSD与HC的基线日间变化.

主要成果:

  • 抗精神病治疗显著降低了SSD患者的皮质醇水平 (g = -0.480,p = 0.005).
  • 与HC相比,SSD患者的皮质醇抑制在甲 (g = 0.299,p = 0.005) 和升高的早晨 (g = 0.38,p < 0.001) 和晚上 (g = 0.368,p = 0.014) 基线皮质醇后减少了皮质醇抑制.
  • 在SSD患者和HC患者之间,在下午基线皮质醇,头发皮质醇或皮质醇对压力的反应性方面没有发现显著差异.

结论:

  • 这些发现证实了SSD中皮质醇调节的显著变化,包括模糊的甲抑制和白天变化.
  • 抗精神病治疗在SSD患者中表现出降低皮质醇的效果.
  • 这些结果增强了对SSD中HPA轴失调和皮质醇药理学调节的理解.