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Related Concept Videos

Psychological and Sociocultural Causes of Schizophrenia01:29

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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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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.
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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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Jumping to conclusions in schizophrenia.

Simon L Evans1, Bruno B Averbeck2, Nicholas Furl3

  • 1School of Psychology, University of Sussex, Brighton, East Sussex, UK.

Neuropsychiatric Disease and Treatment
|July 15, 2015
PubMed
Summary
This summary is machine-generated.

Individuals with schizophrenia exhibit impaired decision-making, often "jumping to conclusions" (JTC) prematurely. This review explores the underlying mechanisms of JTC and its potential therapeutic implications in schizophrenia.

Keywords:
decision makingdelusionsfMRIketamineurn task

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Cognitive Psychology

Background:

  • Schizophrenia presents with diverse symptoms, including cognitive deficits.
  • Impaired feedback-based learning and decision-making are characteristic.
  • The 'jumping to conclusions' (JTC) phenomenon is a notable decision-making bias in schizophrenia.

Purpose of the Study:

  • To review decision-making deficits in schizophrenia.
  • To explore the evidence for various accounts of JTC.
  • To examine the clinical relevance and therapeutic potential of JTC.

Main Methods:

  • Literature review of decision-making impairments in schizophrenia.
  • Analysis of the 'jumping to conclusions' task.
  • Summary of studies on JTC in healthy controls using pharmacological and neuroimaging techniques.

Main Results:

  • Schizophrenia patients demonstrate a bias towards making hasty decisions, particularly under uncertainty.
  • Evidence links JTC to delusion formation, suggesting clinical significance.
  • Studies in healthy individuals reveal insights into JTC through controlled manipulations.

Conclusions:

  • JTC represents a significant decision-making deficit in schizophrenia.
  • Understanding JTC mechanisms is crucial for addressing cognitive dysfunction.
  • Further research may elucidate JTC's role in therapeutic interventions.