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

Visible persistence in paranoid schizophrenics.

B D Schwartz1, D K Winstead

  • 1Veterans Administration Medical Center, New Orleans, LA 70146.

Biological Psychiatry
|January 1, 1988
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

Characteristics of journal clubs in psychiatric training.

Academic psychiatry : the journal of the American Association of Directors of Psychiatric Residency Training and the Association for Academic Psychiatry·2014
Same author

Nonlinear transmission of picosecond 10.6-Mu m pulses in InSb.

Optics letters·2009
Same author

Safety of tacrolimus in patients with rheumatoid arthritis: long-term experience.

Rheumatology (Oxford, England)·2004
Same author

Carbon hydroxylation of alkyltetrahydropyranols: a paradigm for spiroacetal biosynthesis in Bactrocera sp.

Organic letters·2001
Same author

Neurophysiologic mechanisms of attention: a selective review of early information processing in schizophrenics.

Frontiers in bioscience : a journal and virtual library·2001
Same author

Compulsive behavior in generalized anxiety disorder and obsessive-compulsive disorder.

The Journal of nervous and mental disease·1999
Same journal

Neuroimaging of Heterogeneity in Neuropsychiatric Disorders: Toward Disease Progression Modeling.

Biological psychiatry·2026
Same journal

Impact of Transcranial Direct Current Stimulation-Induced Electric Fields on Slowing Cognitive Decline in Older Adults With Mild Cognitive Impairment or Remitted Major Depressive Disorder: An Analysis of the PACt-MD Randomized Clinical Trial.

Biological psychiatry·2026
Same journal

Remembering Jon-Kar Zubieta, M.D., Ph.D.

Biological psychiatry·2026
Same journal

Kappa opioid receptor availability in borderline personality disorder: An in-vivo investigation with [<sup>11</sup>C]EKAP PET imaging.

Biological psychiatry·2026
Same journal

From Satiety to Substance Use: Neural Mechanisms of GLP-1 Signaling in Appetite and Reward.

Biological psychiatry·2026
Same journal

Distinct and Shared Molecular Mechanisms Underlie Morphological-Functional Overcoupling and Undercoupling in Major Depressive Disorder.

Biological psychiatry·2026
See all related articles

Paranoid schizophrenics exhibit shorter visible persistence, particularly with high spatial frequencies. This suggests a potential disruption in visual information processing necessary for accurate perception.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Psychiatry

Background:

  • Visible persistence, a measure of visual temporal integration, differs between individuals.
  • Paranoid schizophrenia is associated with alterations in sensory and cognitive processing.

Purpose of the Study:

  • To investigate visual temporal integration differences in paranoid schizophrenics compared to controls.
  • To examine the role of spatial frequency and presentation duration on visible persistence.

Main Methods:

  • A visual temporal integration task was administered to normal controls and paranoid schizophrenics.
  • Participants reported perceived "off" periods in temporally modulated spatial frequency patterns.
  • Critical duration (CD) and visible persistence were measured across various spatial frequencies and durations.

Related Experiment Videos

Main Results:

  • A significant interaction between group, spatial frequency duration, and spatial frequency was found.
  • Schizophrenics showed reduced visible persistence at 300 msec for high spatial frequencies.
  • Schizophrenics' critical duration deviated from controls for high spatial frequencies.

Conclusions:

  • Shorter visible persistence in paranoid schizophrenics may indicate premature termination of visual information processing.
  • High spatial frequencies play a crucial role in visual information synthesis for accurate perception in schizophrenia.