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Related Concept Videos

Schizophrenia01:17

Schizophrenia

964
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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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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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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Negative and Cognitive Symptoms of Schizophrenia01:30

Negative and Cognitive Symptoms of Schizophrenia

562
Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
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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 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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A Strategy to Identify de Novo Mutations in Common Disorders such as Autism and Schizophrenia
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Contradiction processing in schizophrenia.

Mariia Kaliuzhna1, Robyn Langdon1

  • 1a ARC Centre of Excellence in Cognition and its Disorders, and Department of Cognitive Science , Macquarie University , Sydney , Australia.

Cognitive Neuropsychiatry
|October 10, 2018
PubMed
Summary
This summary is machine-generated.

Patients with schizophrenia do not generally struggle to process contradictory information. Failures in detecting contradictions may stem from executive dysfunction and emotional factors, not a core deficit.

Keywords:
Schizophreniaconflictcontradictionsdelusions

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Area of Science:

  • Cognitive psychology
  • Psychiatry
  • Neuroscience

Background:

  • Schizophrenia is characterized by difficulties in handling contradictory information, impacting thought processes and beliefs.
  • The ability to detect and process contradictions, especially those that are personally significant or emotional, remains unclear in schizophrenia.

Purpose of the Study:

  • To investigate contradiction processing in individuals with schizophrenia compared to healthy controls.
  • To examine how emotional content influences the detection of contradictions.

Main Methods:

  • Sentence verification tasks were employed, assessing self-referential and general knowledge judgments.
  • Experiments manipulated the emotional valence of presented stimuli.

Main Results:

  • No significant differences in reaction time or accuracy were observed between patients with schizophrenia and healthy controls.
  • Contradiction processing abilities were comparable across groups under the tested conditions.

Conclusions:

  • The study indicates no general impairment in contradiction processing in schizophrenia.
  • Difficulties in detecting contradictions may be linked to executive dysfunctions, stress, and the emotional salience of information, rather than a primary deficit.