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

Auditory stimulus pattern discovering in paranoic schizophrenia patients

V E Tchakaroff1, D T Philipova, S H Haralanov

  • 1Brain Research Institute, Bulgarian Academy of Sciences, Sofia.

Acta Physiologica Et Pharmacologica Bulgarica
|January 1, 1993
PubMed
Summary

Schizophrenia patients showed slower reaction times and difficulty discovering auditory patterns compared to controls. This suggests potential differences in sensory processing and environmental probability adaptation in 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

Acoustical blink reflex and its modification under the influence of attention.

Activitas nervosa superiorยท1988
See all related articles

Area of Science:

  • Neuroscience
  • Psychology
  • Cognitive Science

Background:

  • Schizophrenia is a complex mental disorder affecting cognition and perception.
  • Understanding cognitive deficits in schizophrenia is crucial for developing effective interventions.

Purpose of the Study:

  • To investigate differences in auditory pattern discovery and reaction time between patients with paranoid schizophrenia and healthy controls.
  • To explore how changes in environmental probability structure affect cognitive performance in these groups.

Main Methods:

  • Utilized auditory stimuli (high and low frequency tones) in a controlled experimental setting.
  • Employed simple and choice motor reaction tasks, including pattern discovery and verbal announcement.
  • Measured reaction times (RT) across different experimental series (S1, S2, S3).

Related Experiment Videos

Main Results:

  • Patients with schizophrenia had significantly longer reaction times across all experimental series compared to controls.
  • Both group (patients vs. controls) and experimental series significantly influenced reaction times.
  • Pattern discovery occurred slightly earlier in patients (28th signal) than controls (30th signal), though RT was longer.

Conclusions:

  • Cognitive processing, specifically auditory pattern recognition and reaction to environmental changes, is impaired in paranoid schizophrenia.
  • The findings suggest potential dysfunctions in sensory processing mechanisms that may contribute to schizophrenia symptoms.
  • Further research is warranted to explore the implications for extrasensory mechanism dysfunction.