Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Syntactic and semantic processing in schizophrenic patients evaluated by lexical-decision tasks

C Besche1, C Passerieux, J Segui

  • 1Departement de Psychologie, Université de Paris VIII-Vincennes à Saint-Denis, France.

Neuropsychology
|November 5, 1997
PubMed
Summary

Schizophrenia patients with thought disorder (TD) show impaired semantic processing but intact syntactic processing, unlike those without thought disorder (NTD) and control groups. This suggests specific semantic deficits in TD schizophrenia.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Relationships between cognition, functioning, and quality of life of euthymic patients with bipolar disorder: Structural equation modeling with the FACE-BD cohort.

European psychiatry : the journal of the Association of European Psychiatrists·2024
Same author

Functioning and neurocognition in very early and early-life onset bipolar disorders: the moderating role of bipolar disorder type.

European child & adolescent psychiatry·2024
Same author

Comparative analysis of anticholinergic burden scales to explain iatrogenic cognitive impairment and self-reported side effects in the euthymic phase of bipolar disorders: Results from the FACE-BD cohort.

European neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology·2023
Same author

3-year incidence and predictors of metabolic syndrome in schizophrenia in the national FACE-SZ cohort.

Progress in neuro-psychopharmacology & biological psychiatry·2022
Same author

The impact of parent history of severe mental illness on schizophrenia outcomes: results from the real-world FACE-SZ cohort.

European archives of psychiatry and clinical neuroscience·2022
Same author

[Identification of restless legs syndrome in polysomnography studies and its association with other variables].

Revista de neurologia·2022

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Psychiatry

Background:

  • Schizophrenia is a complex psychiatric disorder associated with cognitive deficits.
  • Understanding specific processing abnormalities is crucial for targeted interventions.
  • Previous research suggests varied cognitive impairments in schizophrenia, but distinctions based on thought disorder status require further elucidation.

Purpose of the Study:

  • To investigate semantic and syntactic processing in schizophrenic patients with and without thought disorder (TD and NTD).
  • To compare cognitive processing in TD and NTD schizophrenic patients against psychiatric and normal controls.
  • To determine if deficits in semantic or syntactic processing are characteristic of TD schizophrenia.

Main Methods:

  • Two lexical-decision tasks were administered to 34 schizophrenic patients (24 TD, 10 NTD), 14 psychiatric controls, 20 hospitalized controls, and 20 normal controls.

Related Experiment Videos

  • Experiment 1 assessed semantic priming (related vs. unrelated word pairs).
  • Experiment 2 assessed syntactic processing (congruent vs. incongruent sentences).

    • Main Results:

    • TD schizophrenic patients did not exhibit semantic priming, unlike NTD patients and all control groups.
    • All participant groups demonstrated significant syntactic processing effects.
    • Semantic processing was impaired in TD schizophrenic patients, while syntactic processing remained intact.

    Conclusions:

    • Findings indicate a specific deficit in semantic information processing in schizophrenic patients with thought disorder.
    • Syntactic processing appears to be preserved in TD schizophrenic patients.
    • These results suggest that TD schizophrenia is characterized by abnormalities in semantic, but not syntactic, lexical processing under specific experimental conditions.