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Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

977
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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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...
1.8K
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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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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Theoretical Approaches to Psychological Disorder01:29

Theoretical Approaches to Psychological Disorder

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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...
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Personality Disorders: Paranoid and Schizoid01:22

Personality Disorders: Paranoid and Schizoid

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Personality disorders represent enduring cognition, affect, and behavior patterns that significantly deviate from societal norms. These maladaptive traits often lead to difficulties in various domains, including interpersonal relationships, occupational settings, and overall psychological well-being. Paranoid personality disorder and schizoid personality disorder are two distinct conditions marked by odd or eccentric behavior.
Paranoid Personality Disorder
Paranoid personality disorder is...
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Development of a Virtual Reality Assessment of Everyday Living Skills
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統合された社会発達認知モデル

Oliver D Howes1, Robin M Murray2

  • 1MRC Clinical Sciences Centre, Imperial College, London, UK; Institute of Psychiatry, King's College London, London, UK.

Lancet (London, England)
|December 10, 2013
PubMed
まとめ
この要約は機械生成です。

統合失調症は,発達上の問題と逆境によるドーパミンシステムの感受性を伴う. これはパラノイアと幻覚につながり,よりよい理解と治療のために認知および神経生物学的要因を統合します.

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科学分野:

  • 神経科学は神経科学である.
  • 精神科医は精神病を患っている.
  • コグニティブ・サイエンス コグニティブ・サイエンス

背景:

  • 統合失調症は,既存のドーパミンと神経発達に関する仮説が統合されていないため,重大な負担を伴う.
  • 人気の認知モデルは,ドーパミンや脳の発達などの神経生物学的な基礎をしばしば無視しています.

研究 の 目的:

  • 統合された認知神経生物学的モデルを提案することによって,既存の統合統合統合統合統合統合.
  • 統合失調症の病原性メカニズムを,発達因子,ドーパミン不調,認知バイアスを関連付けることで説明する.

主な方法:

  • 統合失調症に関する既存の文献のレビューと合成.
  • 遺伝的,環境的,神経生物学的,および認知的要因を統合した理論モデルの開発.

主要な成果:

  • 発達上の変化 (遺伝子,早期の危険,逆境) は,ドーパミンシステムを敏感にし,ドーパミンの合成と放出を増加させます.
  • 社会的逆境は認知スキーマを偏り,経験の偏執的解釈につながります.
  • ストレスはドーパミンの放出を調節不良に誘発し,偏った認知プロセスによる目立つことと誤った解釈の誤った帰属を引き起こし,最終的には精神病的な信念を硬化させます.

結論:

  • 提案されたモデルは,統合神経発達,ドーパミン,および統合失調症の認知の側面.
  • これらの相互接続された経路を理解することは,統合失調症の病因学に関する新しい洞察を提供します.
  • この統合モデルは,統合失調症の新たな治療戦略の開発に意味を持つ.