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

Hierarchical processing and level-repetition effect as indexed by early brain potentials.

S Han1, X He, D L Woods

  • 1Beijing Lab of Cognitive Science, University of Science and Technology of China. shan@ebire.org

Psychophysiology
|December 16, 2000
PubMed
Summary

This study on hierarchical processing found that early sensory mechanisms influence global precedence and level-repetition effects. Event-related potentials revealed distinct neural patterns for global versus local target identification.

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

Yield Loss Assessment in Canola: Effects of Brown Girdling Root Rot and Maggot Damage on Single Plant Yield.

Plant disease·2019
Same author

Exogenous IGFBP-2 promotes proliferation, invasion, and chemoresistance to temozolomide in glioma cells via the integrin β1-ERK pathway.

British journal of cancer·2014
Same author

Selective expression of Narp in primary nociceptive neurons: role in microglia/macrophage activation following nerve injury.

Journal of neuroimmunology·2014
Same author

Downregulation of miRNA-134 protects neural cells against ischemic injury in N2A cells and mouse brain with ischemic stroke by targeting HSPA12B.

Neuroscience·2014
Same author

Adiponectin is expressed in the pancreas of high-fat-diet-fed mice and protects pancreatic endothelial function during the development of type 2 diabetes.

Diabetes & metabolism·2014
Same author

Nomogram to predict ypN status after chemoradiation in patients with locally advanced rectal cancer.

British journal of cancer·2014

Area of Science:

  • Cognitive Neuroscience
  • Visual Perception
  • Human Information Processing

Background:

  • Hierarchical processing involves understanding stimuli at multiple levels (e.g., global shape and local details).
  • The level-repetition effect describes how processing is influenced by the repetition of target levels.
  • Understanding the neural underpinnings of these effects is crucial for cognitive science.

Purpose of the Study:

  • To investigate the neural mechanisms underlying hierarchical visual processing.
  • To examine the contribution of sensory-perceptual factors to global precedence and level-repetition effects.
  • To identify event-related potential (ERP) correlates of processing targets at global, local, or both hierarchical levels.

Main Methods:

  • Recorded event-related potentials (ERPs) while participants performed a visual target identification task.

Related Experiment Videos

  • Participants identified targets presented at global, local, or both levels of hierarchical patterns.
  • Analyzed reaction times and ERP components (e.g., P1, posterior negativities, late positivities) associated with target processing.

    • Main Results:

    • Behavioral data demonstrated global precedence and level-repetition effects.
    • An enhanced occipital P1 wave was observed for local targets compared to global targets.
    • Distinct ERP negativities and positivities differentiated processing of global, local, and both-level targets, with specific scalp distributions.

    Conclusions:

    • Sensory-perceptual mechanisms play a significant role in global precedence and level-repetition effects.
    • Early visual processing (e.g., P1 wave) is sensitive to target level and repetition history.
    • Hierarchical visual processing involves distinct neural pathways and temporal dynamics for different target levels.