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Related Concept Videos

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.
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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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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.
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Related Experiment Video

Updated: Mar 3, 2026

Adapting Human Videofluoroscopic Swallow Study Methods to Detect and Characterize Dysphagia in Murine Disease Models
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Swallowing Disorders in Schizophrenia.

Deepika P Kulkarni1, Vandan D Kamath2, Jonathan T Stewart3,4

  • 1University of South Florida College of Medicine, Tampa, USA.

Dysphagia
|April 28, 2017
PubMed
Summary

Swallowing problems are common in schizophrenia, leading to serious health risks like choking and pneumonia. Management involves understanding illness-related behaviors and medication side effects.

Keywords:
Airway obstructionAntipsychoticsAspirationDeglutitionDeglutition disordersDysphagiaSchizophreniaSwallowing

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Area of Science:

  • Neuroscience
  • Gastroenterology
  • Psychiatry

Background:

  • Swallowing disorders (dysphagia) are frequent in schizophrenia, contributing significantly to patient morbidity and mortality.
  • Risks include acute asphyxia (100x general population rate) and aspiration pneumonia.
  • Causes are linked to schizophrenia itself and psychotropic medications.

Purpose of the Study:

  • To provide an overview of swallowing problems in schizophrenia.
  • To discuss their pathophysiology and management strategies.
  • To highlight the need for thorough clinical assessment despite limited evidence.

Main Methods:

  • Literature review and clinical expertise synthesis.
  • Analysis of behavioral changes and medication side effects.
  • Emphasis on history and physical examination for diagnosis.

Main Results:

  • Two main categories of swallowing issues identified: illness-related and medication-related.
  • Illness-related issues include rapid eating and large food boluses.
  • Medication-related issues involve extrapyramidal side effects (parkinsonism, dystonia, tardive dyskinesia), xerostomia, sialorrhea, and sedation.

Conclusions:

  • Effective management strategies can often be developed through careful patient evaluation.
  • Addressing both behavioral and iatrogenic causes is crucial for improving patient outcomes.
  • Further research is needed to enhance understanding and treatment of dysphagia in schizophrenia.