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相关概念视频

Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

104
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...
104
Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

146
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...
146
Schizophrenia01:17

Schizophrenia

152
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...
152
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

765
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...
765
Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

Positive Symptoms of Schizophrenia: Hallucinations and Delusions

178
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...
178
Personality Disorders: Schizotypal and Histrionic01:20

Personality Disorders: Schizotypal and Histrionic

131
Schizotypal personality disorder and histrionic personality disorder are two distinct psychological conditions classified under personality disorders, each characterized by unique behavioral patterns and social difficulties. Both disorders significantly affect interpersonal relationships and emotional well-being, leading to social isolation and frustration.
Schizotypal Personality Disorder: Eccentric Behavior and Social Withdrawal
Schizotypal personality disorder is marked by odd or eccentric...
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相关实验视频

Updated: Jul 26, 2025

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
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Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Published on: August 18, 2020

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在高精神分裂型中增加结构连接性.

Eirini Messaritaki1, Sonya Foley1, Kali Barawi2

  • 1Cardiff University Brain Research Imaging Centre (CUBRIC), School of Psychology, Cardiff University, Cardiff, UK.

Network neuroscience (Cambridge, Mass.)
|June 19, 2023
PubMed
概括
此摘要是机器生成的。

这项研究发现,在健康个体中,较高的精神分裂性得分与感觉运动和默认模式网络中的结构性大脑连接的改变有关. 这些发现提供了关于精神分裂症的神经基础和精神分裂症的潜在联系的见解.

关键词:
大脑网络 大脑网络精神分裂症是一种精神分裂症.这是一种精神分裂型.结构性的连接性 结构性的连接性曲谱学 曲谱学 曲谱学 曲谱学

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Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging
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相关实验视频

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Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
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Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

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Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging
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Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging

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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.
  • 网络科学 网络科学

背景情况:

  • 精神分裂,一种人格特征,与精神分裂症有共同的病因因素.
  • 了解精神分裂症的神经基础可能会揭示精神分裂症的病理生理学.

研究的目的:

  • 为了研究大脑结构连接和健康成年人的精神分裂之间的关系.
  • 探索结构性大脑网络的图形理论特性,与精神分裂性得分相关.

主要方法:

  • 利用来自两个独立队列 (140名和115名参与者) 的扩散MRI数据来构建结构性大脑网络.
  • 为默认模式,传感动力,视觉和听觉子网络计算的图形理论指标.
  • 相关联的网络指标与从精神分裂型人格调查问卷 (SPQ) 获得的精神分裂型得分.

主要成果:

  • 在传感器和默认模式子网络中,观察到分裂性得分与平均节点度和平均聚类系数之间的正相关性.
  • 涉及的关键大脑区域包括右后中心,左侧中心叶片,右上额头,左侧海马和双侧前.
  • 这些已识别的节点在精神分裂症中显示功能连接受损.

结论:

  • 结构性大脑网络的改变与健康个体的精神分裂有关.
  • 研究结果表明,传感运动和默认模式网络中断可能代表精神分裂症和精神分裂症之间共同的神经脆弱性.
  • 这项研究为精神分裂症的神经生物学基础提供了新的见解.