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Related Concept Videos

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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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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Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

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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

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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.
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Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

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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.
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Personality Disorders: Paranoid and Schizoid01:22

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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.
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[Standards for treatment in forensic committment according to § 63 and § 64 of the German criminal code : Interdisciplinary task force of the DGPPN].

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Related Experiment Video

Updated: May 2, 2026

Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra
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[Schizophrenia and violence].

S Hodgins1, R Müller-Isberner

  • 1Département de Psychiatrie, Université de Montréal, C.P.6128, Succ. Centre-Ville(Pavillon 3050), Montréal, Québec H3C 3J7, Kanada.

Der Nervenarzt
|March 8, 2014
PubMed
Summary
This summary is machine-generated.

Individuals with schizophrenia face a higher risk of violence. This review examines the literature on schizophrenia and violence, identifying distinct offender phenotypes and emphasizing the need for targeted interventions.

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Area of Science:

  • Forensic Psychiatry
  • Clinical Psychology
  • Neuroscience

Background:

  • Schizophrenia is linked to increased violence risk.
  • Forensic hospital admissions in Europe are rising, primarily due to men with schizophrenia.

Purpose of the Study:

  • Critically review existing literature on the relationship between schizophrenia and violence.
  • Identify patterns and potential causes of violent behavior in individuals with schizophrenia.

Main Methods:

  • Systematic literature review.
  • Analysis of existing research on schizophrenia and aggression.

Main Results:

  • Individuals with schizophrenia have a higher conviction rate for violent crimes.
  • Three offender phenotypes identified: childhood conduct disorder, illness-onset aggression, and late-onset severe assault.
  • Psychotic symptoms explain aggression during acute phases but not overall or pre-illness.

Conclusions:

  • Mental health services must assess and manage violence risk in schizophrenia patients.
  • Treatments should directly address antisocial and aggressive behaviors.
  • Further research is needed on the etiology and neural mechanisms of offending behaviors in schizophrenia.