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相关概念视频

Schizophrenia01:17

Schizophrenia

280
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...
280
Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

Positive Symptoms of Schizophrenia: Hallucinations and Delusions

236
Schizophrenia is a complex mental health disorder that can manifest with various positive symptoms, including thought, movement, and behavior disorders. These symptoms significantly disrupt cognitive and motor functions, leading to profound effects on an individual's ability to engage with the world.
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...
236
Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

221
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...
221
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

1.1K
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...
1.1K
Positive Symptoms Schizophrenia: Hallucinations and Delusions01:26

Positive Symptoms Schizophrenia: Hallucinations and Delusions

150
Schizophrenia is a complex psychiatric disorder characterized by a range of symptoms that significantly impact cognition, behavior, and emotional regulation. Among these, the positive symptoms stand out as they involve the addition or exaggeration of normal mental functions, deviating markedly from typical behavior and perception. Hallucinations and delusions are prominent positive symptoms, each profoundly affecting the individual's experience of reality.
Hallucinations
Hallucinations in...
150
Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

174
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...
174

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相关实验视频

Updated: Oct 5, 2025

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Na&#239;ve Adolescents at High Risk for Psychosis
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精神分裂症

Sameer Jauhar1, Mandy Johnstone2, Peter J McKenna3

  • 1Department of Psychological Medicine, Institute of Psychiatry, Psychology, and Neuroscience, King's College, London, UK.

Lancet (London, England)
|January 30, 2022
PubMed
概括
此摘要是机器生成的。

精神分裂症是一种复杂的脑部疾病, 研究探讨了它的遗传,环境和神经生物学基础,以及当前和未来的治疗策略.

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科学领域:

  • 神经科学
  • 精神病学
  • 遗传学

背景情况:

  • 精神分裂症带来了重大的病因和治疗挑战,与人们对其患病率和结果的普遍看法相反.
  • 症状分为正面,负面和失序综合征, 认知障碍现在被认为是关键特征.

研究的目的:

  • 提供关于精神分裂症病因,临床特征和治疗现有认识的全面概述.
  • 讨论正在进行的辩论和精神分裂症的未来研究方向.

主要方法:

  • 对精神分裂症的临床表现,神经生物学和遗传学的已知发现的审查.
  • 分析目前精神分裂症研究中的治疗方法和新概念.

主要成果:

  • 精神分裂症对男性的影响略高于女性,
  • 已确定的发现包括大脑结构变化 (心室扩大,体积减少) 和前皮层网络的功能变化.
  • 神经化学障碍 (多巴胺,NMDA受体),多基因遗传和早期生活因素都与此有关.

结论:

  • 多巴胺受体阻断药物仍然是主要的治疗方法,认知行为治疗的效果有限.
  • 精神分裂症越来越多地被视为连续性的极端,关于大麻和童年逆境等致病因素以及早期干预的影响正在进行辩论.