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

Synchrony dynamics in monkey V1 predict success in visual detection.

Chris van der Togt1, Stiliyan Kalitzin, Henk Spekreijse

  • 1Department of Vision and Cognition II, The Netherlands Ophthalmic Research Institute, Meibergdreef 47, 1105BA Amsterdam, The Netherlands. c.vandertogt@ioi.knaw.nl

Cerebral Cortex (New York, N.Y. : 1991)
|April 22, 2005
PubMed
Summary

Synchronous neural activity shifts during visual perception. A significant transition in neural synchrony aids in correctly detecting visual stimuli, suggesting its importance in figure-ground discrimination.

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

Real-world clinical validation of brainstem-based ocular biomarkers for ADHD classification in children and adults.

Scientific reports·2026
Same author

Cognitive Vergence and Pupillary Responses as Functional Oculomotor Signatures to Differentiate AT(N) Biological Profiles.

bioRxiv : the preprint server for biology·2026
Same author

Cognitive Vergence and Pupil Response During Oddball Task are Associated With Alzheimer's Disease Cerebrospinal Fluid Neurodegenerative Biomarkers.

bioRxiv : the preprint server for biology·2026
Same author

Automated Remote Detection of Falls Using Direct Reconstruction of Optical Flow Principal Motion Parameters.

Sensors (Basel, Switzerland)·2025
Same author

Do Children with High Callous-Unemotional Traits Have Attentional Deficits to Emotional Stimuli? Evidence from a Multi-Method and Multi-Informant Study.

Child psychiatry and human development·2024
Same author

A Pilot Study to Improve Cognitive Performance and Pupil Responses in Mild Cognitive Impaired Patients Using Gaze-Controlled Gaming.

Vision (Basel, Switzerland)·2024

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Computational Neuroscience

Background:

  • Behavioral measures like attention and expectancy correlate with neural synchrony strength.
  • Synchronous neural activity is hypothesized to influence visual object detection and recognition.

Purpose of the Study:

  • Investigate the role of synchronous neural activity in visual perception.
  • Examine how correlated neural activity in the visual cortex (V1) relates to figure-ground discrimination performance in monkeys.

Main Methods:

  • Studied the magnitude and precision of correlated neural activity before and after stimulus presentation in V1.
  • Analyzed neural activity in relation to a monkey's performance on a figure-ground discrimination task.

Main Results:

Related Experiment Videos

  • A transition in synchronized activity was observed during stimulus presentation, marked by reduced correlation peak height and width.
  • Before stimulus onset, broad peak correlations shifted to narrower peaks post-stimulus, due to decreased low-frequency components.
  • The magnitude of this desynchronization was greater when the monkey correctly perceived the stimulus compared to when detection failed.

Conclusions:

  • A transition in synchronous neural firing is crucial for sensory stimulus detection.
  • This synchrony transition may represent a shift from global to fine-grained neuronal interactions, essential for tasks like figure-ground discrimination.