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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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Antipsychotic Drugs: Typical and Atypical Agents01:21

Antipsychotic Drugs: Typical and Atypical Agents

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Antipsychotic drugs are classified into first-generation (typical) drugs including phenothiazines; and second-generation (atypical) drugs. Chlorpromazine hydrochloride (Thorazine), a phenothiazine derivative, broadly impacts the central, autonomic, and endocrine systems. This drug, along with typical agents like haloperidol (Haldol), primarily works by antagonizing D2 receptors, thus reducing dopaminergic neurotransmission. However, typical antipsychotics can cause side effects such as sedation...
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Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

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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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Schizophrenia01:17

Schizophrenia

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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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Psychosis and Antipsychotic Drugs: Overview01:28

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The term "psychosis" refers to a spectrum of mental disorders characterized by abnormal thoughts, perceptions, and behaviors. It can manifest as mood disorders, dementia, delirium with psychotic features, substance-induced psychosis with psychotic features, brief psychotic disorder, delusional disorder, schizoaffective disorder, and schizophrenia. Among all these disorders, schizophrenia is the most common psychotic disorder, affecting 1% of the worldwide population. Psychotic...
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The advent of drug therapy has profoundly shaped modern mental health care, providing targeted treatments for a range of psychological disorders. Psychotherapeutic drugs, classified into antianxiety, antidepressant, and antipsychotic medications, address symptoms across anxiety disorders, mood disorders, and schizophrenia. While these medications have transformed patient outcomes, they require careful management due to their potential side effects and limitations.
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里斯佩里降低了精神分裂症中的个性化形态相似性偏差,并与皮质转录基因模式相关联.

Liju Liu1,2, Mi Yang3,4, Jinxing Chen1,2

  • 1The Clinical Hospital of Chengdu Brain Science Institute, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, PR China.

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概括

在精神分裂症患者中,Risperidone治疗减少了皮质形态度相似性 (MSD) 的偏差,与规范模式保持一致. 这些结构变化与与神经传递和免疫功能相关的基因表达相关,这表明治疗效益的分子基础.

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科学领域:

  • 神经科学是一个神经科学.
  • 遗传学 遗传学 是一个
  • 精神病学是一个精神病学.

背景情况:

  • 精神分裂症与皮质厚度降低和基因表达改变有关.
  • 抗精神病治疗影响皮质形态和基因表达,但其对个体形态相似性和遗传机制的影响尚不清楚.

研究的目的:

  • 量化RISPERIDONE诱导的个体形态相似性的变化.
  • 为了研究这些变化的空间对齐与皮质转录基因模式.

主要方法:

  • 在24名无药第一发精神分裂症患者和30名对照中进行T1加权成像.
  • 使用瓦瑟斯坦距离计算的皮层形态相似度矩阵;形态相似度偏差 (MSD) 定义.
  • 部分最小平方回归将MSD变化与艾伦人类大脑图谱的转录数据联系起来.

主要成果:

  • 患者在额头,部和部部区域显示高基线MSD,与症状严重程度相关.
  • 里斯佩里治疗减少了MSD,特别是在突出/腹部注意网络中,与改善的情绪智力相关.
  • 治疗诱导的MSD变化与神经传递,细胞粘附和免疫功能中的基因空间相关,表达在星球细胞和寡细胞中.

结论:

  • 里斯佩里能使皮层的形态学相似性正常化,朝着健康的模式发展.
  • 这些结构性正常化效应与基因表达模式有关,特别是在神经传递和免疫过程中.
  • 这表明RISPERIDONE治疗精神分裂症的结构和认知益处的分子基础.