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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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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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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: Oct 5, 2025

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Processing Argument Structure and Syntactic Complexity in People with Schizophrenia Spectrum Disorders.

Chiara Barattieri di San Pietro1, Elena Barbieri2, Marco Marelli3

  • 1Department of Psychology, University of Milano-Bicocca, Milan, Italy.

Journal of Communication Disorders
|January 22, 2022
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Summary

Language deficits in Schizophrenia Spectrum Disorders (SSD) are linked to broader cognitive impairments. This study found that individuals with SSD struggle with verb and sentence production and complex sentence comprehension, correlating with attention and executive functions.

Keywords:
Lexical and Syntactic ProcessingSchizophrenia Spectrum DisordersVerb Argument Structure

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Area of Science:

  • Neuroscience
  • Psycholinguistics
  • Clinical Psychology

Background:

  • Language deficits, including comprehension and production, are frequently observed in Schizophrenia Spectrum Disorders (SSD).
  • The precise nature of these language impairments and their connection to cognitive functions remains incompletely understood and debated.
  • Existing research suggests potential links between language difficulties and broader cognitive impairments in SSD.

Purpose of the Study:

  • To evaluate verb production/comprehension with varying argument structures in individuals with SSD.
  • To assess sentence production/comprehension with canonical and non-canonical word orders in individuals with SSD.
  • To investigate the relationship between identified language deficits and specific cognitive functions in SSD.

Main Methods:

  • Utilized the Italian version of the Northwestern Assessment of Verbs and Sentences (NAVS).
  • Compared 34 participants diagnosed with SSD against a healthy control (HC) group.
  • Assessed verb argument structure, sentence word order, and cognitive functions (visual attention, executive functions, working memory).

Main Results:

  • Participants with SSD showed impairments in verb and sentence production, and comprehension of complex sentences compared to HC.
  • Sentence comprehension was disproportionately affected by syntactic complexity in SSD.
  • Verb production deficits in SSD were linked to visual attention, while sentence deficits correlated with executive functions and working memory.

Conclusions:

  • Language deficits in SSD appear to be part of a generalized cognitive impairment.
  • Findings support the role of reduced neural connectivity in these deficits.
  • Psycholinguistically-based assessments effectively identify lexical and syntactic deficits in SSD.