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

Perceptual organization and schizotypy.

S M Silverstein1, M L Raulin, E A Pristach

  • 1State University of New York, Buffalo.

Journal of Abnormal Psychology
|May 1, 1992
PubMed
Summary

This study evaluated preattentive visual processing in college students at risk for psychosis. Anhedonic individuals did not show the expected perceptual deficits, suggesting current models may need revision for psychosis-prone populations.

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

Utility of zoom-based clinical interviews for automated facial emotion analysis.

Schizophrenia research·2026
Same author

The effects of arousal on apical amplification and conscious state.

Neuroscience of consciousness·2018
Same author

Cognitive remediation for individuals with psychosis: efficacy and mechanisms of treatment effects.

Psychological medicine·2016
Same author

On the functions, mechanisms, and malfunctions of intracortical contextual modulation.

Neuroscience and biobehavioral reviews·2015
Same author

The role of configuration and target discriminability in a visual search task.

Memory & cognition·2013
Same author

Pattern goodness and speed of encoding.

Memory & cognition·2013

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Psychopathology

Background:

  • Individuals at risk for psychosis often exhibit cognitive deficits.
  • Preattentive visual processing is a key area of investigation in schizophrenia spectrum disorders.
  • Previous research suggests perceptual organization deficits in process schizophrenics.

Purpose of the Study:

  • To evaluate preattentive visual information processing in college students hypothetically prone to psychosis.
  • To test if anhedonic subjects exhibit perceptual organization deficits similar to process schizophrenics.
  • To compare performance of perceptual aberration-magical ideation and depressed subjects to controls.

Main Methods:

  • Utilized three distinct visual information processing paradigms: target detection, visual suffix effect, and configural superiority effect.

Related Experiment Videos

  • Recruited college student samples with varying risk factors for psychosis (n=57, n=57, n=68).
  • Compared performance of anhedonic, perceptual aberration-magical ideation, and depressed subjects against control groups.

    • Main Results:

    • Anhedonic subjects performed similarly to all comparison groups across all paradigms.
    • No significant performance differences were detected between anhedonic subjects and controls.
    • Adequate statistical power was present to detect differences if they existed.

    Conclusions:

    • The findings do not support the hypothesis that anhedonia in psychosis-prone individuals is associated with the same perceptual organization deficits seen in process schizophrenics.
    • A revised framework for understanding visual information processing deficits in schizophrenics and high-risk individuals is proposed.
    • Further research is needed to elucidate the specific cognitive mechanisms underlying psychosis risk.