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Related Concept Videos

Schizophrenia01:17

Schizophrenia

1.5K
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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Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

Positive Symptoms of Schizophrenia: Hallucinations and Delusions

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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.
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...
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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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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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Positive Symptoms Schizophrenia: Hallucinations and Delusions01:26

Positive Symptoms Schizophrenia: Hallucinations and Delusions

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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...
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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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Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
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Schizophrenia.

René S Kahn1, Iris E Sommer1, Robin M Murray2

  • 1Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Centre Utrecht, Utrecht, The Netherlands.

Nature Reviews. Disease Primers
|May 19, 2016
PubMed
Summary
This summary is machine-generated.

Schizophrenia is a complex brain disorder affecting information processing, with subtle neurobiological changes impacting cognitive and motivational functions. Early identification and preventive strategies are crucial, as current treatments primarily manage psychotic symptoms.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Genetics

Background:

  • Schizophrenia is a chronic psychiatric disorder with diverse genetic and neurobiological origins.
  • It affects early brain development, leading to psychotic symptoms and functional impairments.
  • Prevalence varies regionally due to factors like urbanicity and immigration patterns.

Purpose of the Study:

  • To summarize the current understanding of schizophrenia's neurobiological basis and clinical presentation.
  • To highlight the limitations of current treatments in addressing cognitive and social deficits.
  • To emphasize the importance of early detection and prevention.

Main Methods:

  • Review of neuroimaging studies on information processing in schizophrenia.
  • Analysis of treatment outcomes for pharmacological and psychosocial interventions.
  • Discussion of epidemiological data on prevalence and risk factors.

Main Results:

  • Schizophrenia involves subtle neuropathological changes and abnormal information processing.
  • Pharmacological treatments improve psychotic symptoms but not overall functioning.
  • Psychosocial interventions show added value but are inconsistently applied.

Conclusions:

  • Schizophrenia is fundamentally a disorder of brain information processing.
  • There is a critical need for early intervention and preventive approaches.
  • Integrated treatment strategies are necessary to improve long-term outcomes.