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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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Negative and Cognitive Symptoms of Schizophrenia01:30

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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.
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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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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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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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Development of a Virtual Reality Assessment of Everyday Living Skills
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Predictors of current functioning and functional decline in schizophrenia.

Jamie Joseph1, William S Kremen2, Carol E Franz1

  • 1Center for Behavioral Genomics, Department of Psychiatry, School of Medicine, University of California, San Diego, 9500 Gilman Drive, San Diego, CA 92093, USA.

Schizophrenia Research
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Depressive symptoms and working memory impact schizophrenia functional outcomes. Treating depression may improve community integration and employment for individuals with schizophrenia.

Keywords:
CognitionDepressionLifespan functioningPsychosis

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Area of Science:

  • Psychiatry
  • Neuroscience
  • Clinical Psychology

Background:

  • Schizophrenia symptoms (positive, negative, cognitive) affect functional outcomes but don't explain all variance.
  • Understanding predictors of functional status and decline is crucial for schizophrenia treatment.

Purpose of the Study:

  • To identify demographic, cognitive, symptom, and functional capacity predictors of current functional status in schizophrenia outpatients.
  • To examine predictors of functional decline over the lifespan in individuals with schizophrenia or schizoaffective disorder.

Main Methods:

  • Stepwise regression analysis was used to model predictors of current functional status and functional decline.
  • The Assessment of Lifespan Functioning Attainment (ALFA) measured functional domains: paid employment, living independence, relationships, friendships, and recreation.
  • 280 outpatients with schizophrenia or schizoaffective disorder participated.

Main Results:

  • Greater depressive symptom severity correlated with poorer community integration (fewer friendships, less recreation).
  • Enhanced working memory was linked to higher rates of paid employment.
  • Cognitive performance predicted less decline in living independence and relationships, but more decline in employment and recreation.
  • Women experienced less functional decline in employment and friendships compared to men.

Conclusions:

  • Assessing and treating comorbid depressive symptoms could enhance functional outcomes in schizophrenia.
  • While cognitive function impacts current status and decline, its relationship with specific functional domains is complex.
  • Gender differences in functional decline warrant further investigation.