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Related Concept Videos

Schizophrenia01:17

Schizophrenia

1.7K
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

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

Elaine Walker1, Kevin Tessner2

  • 1Emory University psyefw@emory.edu.

Perspectives on Psychological Science : a Journal of the Association for Psychological Science
|July 10, 2015
PubMed
Summary
This summary is machine-generated.

Psychologists advanced schizophrenia understanding over 100 years, moving from simple mind-brain ideas to complex gene-environment interactions and neural pathways. Behavioral science methods drove these pivotal scientific advances in contemporary models.

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Area of Science:

  • Psychology
  • Neuroscience
  • Psychiatry

Background:

  • Schizophrenia conceptualizations evolved significantly over the last century.
  • Early models often oversimplified the mind-brain relationship in schizophrenia.
  • Contemporary understanding requires a more nuanced approach.

Purpose of the Study:

  • To review the historical evolution of schizophrenia theories.
  • To highlight the role of behavioral science in advancing these theories.
  • To describe the shift towards complex, multifactorial models of schizophrenia.

Main Methods:

  • Historical analysis of theoretical shifts in schizophrenia research.
  • Application of behavioral science methodologies.
  • Review of advancements in understanding gene-environment interactions and neural pathways.

Main Results:

  • Psychologists significantly contributed to pivotal scientific advances in schizophrenia research.
  • The field progressed from simplistic mind-brain distinctions to intricate models.
  • Current models integrate gene-environment interactions and neural mechanisms.

Conclusions:

  • Behavioral science has been crucial in reshaping schizophrenia conceptualizations.
  • Modern schizophrenia models emphasize complex interactions between genetic, environmental, and neural factors.
  • Understanding schizophrenia now involves a multidisciplinary, integrated approach.