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

Preattentive information processing in schizophrenia

K Lieb1, G Merklin, C Rieth

  • 1Abteilung Psychiatrie II, Universitaet Ulm, Guenzburg, Germany.

Schizophrenia Research
|December 1, 1994
PubMed
Summary
This summary is machine-generated.

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

Longitudinal characterization of inflammatory plasma protein signatures in ECT response.

Journal of affective disorders·2025
Same author

Testing Strong-Field QED to Second Order in the Highly Correlated Atomic System Berylliumlike Pb^{78+} by Electron-Ion Collision Spectroscopy.

Physical review letters·2025
Same author

First Proton-Induced Cross Sections on a Stored Rare Ion Beam: Measurement of ^{118}Te(p,γ) for Explosive Nucleosynthesis.

Physical review letters·2025
Same author

[The COVID-19 pandemic in Germany: mental health trajectories, resilient and vulnerable groups].

Der Nervenarzt·2025
Same author

Nuclear Astrophysics in the Storage Ring: Background Suppressed Simultaneous Measurement of (p,γ) and (p,n) Reactions.

Physical review letters·2025
Same author

First Measurement of the Neutron-Emission Probability with a Surrogate Reaction in Inverse Kinematics at a Heavy-Ion Storage Ring.

Physical review letters·2025

Schizophrenic patients exhibit visual processing deficits, particularly in preattentive tasks. This study suggests a slowing of these processes and potential attention difficulties in individuals with schizophrenia.

Area of Science:

  • Cognitive Neuroscience
  • Psychiatry
  • Visual Perception

Background:

  • Schizophrenia is associated with cognitive impairments.
  • Julesz's texton theory provides a framework for understanding preattentive visual processing.
  • Understanding visual processing deficits is crucial for schizophrenia research.

Purpose of the Study:

  • To investigate preattentive and attentive visual information processing in schizophrenic patients.
  • To compare visual processing abilities between schizophrenic patients and healthy controls.
  • To explore the nature of visual deficits in schizophrenia using texton theory.

Main Methods:

  • A texture discrimination task based on Julesz's texton theory was employed.
  • Two tasks were used: detecting texton elements and searching for texton/non-texton elements.

Related Experiment Videos

  • Stimulus onset asynchrony (SOA) and response times were measured.

    • Main Results:

    • Schizophrenic patients made significantly fewer correct responses in preattentive tasks across all SOAs.
    • Response times to texton elements were significantly slower in schizophrenics.
    • Schizophrenics made more errors detecting non-texton elements and showed slower responses to texton elements.

    Conclusions:

    • Schizophrenic patients exhibit deficits in preattentive visual processing, possibly due to slowed processes.
    • Findings suggest difficulties in sustaining attention during visual search tasks in schizophrenia.
    • Visual information processing impairments in schizophrenia may be specific to preattentive mechanisms.