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

Dynamics of feature binding during object-selective attention.

M A Schoenfeld1, C Tempelmann, A Martinez

  • 1Department of Neurology II, Otto von Guericke University, 31920 Magdeburg, Germany.

Proceedings of the National Academy of Sciences of the United States of America
|September 10, 2003
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

A novel entorhinal projection to the rat dentate gyrus: direct innervation of proximal dendrites and cell bodies of granule cells and GABAergic neurons.

The Journal of neuroscience : the official journal of the Society for Neuroscience·1996
Same author

Diagnostic utility of K-ras mutations in fine-needle aspirates of pancreatic masses.

Gastroenterology·1996
Same author

Mutational analysis and secondary structure model of the RNP1-like sequence motif of transcription termination factor Rho.

Journal of molecular biology·1996
Same author

Residues in the RNP1-like sequence motif of Rho protein are involved in RNA-binding affinity and discrimination.

Journal of molecular biology·1996
Same author

Effects of continuous low-dose-rate brachytherapy on the rectum of the rat.

Radiation research·1996
Same author

Efficacy of epiroprim (Ro11-8958), a new dihydrofolate reductase inhibitor, in the treatment of acute Toxoplasma infection in mice.

The American journal of tropical medicine and hygiene·1996

Object-based attention rapidly integrates features, with neural activity localized to the fusiform gyrus. This supports the integrated-competition model of visual perception and feature binding.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Visual Perception

Background:

  • Objects are perceived as unified wholes from constituent features.
  • Object-based attention selectively processes environmental information.
  • Understanding feature integration is key to object perception.

Purpose of the Study:

  • Investigate the timing of feature-integration mechanisms in object-based attention.
  • Determine the cortical localization of these integration processes.
  • Test the "integrated-competition" model of object-selective attention.

Main Methods:

  • Combined event-related potentials (ERPs) and magnetic fields (ERFs) with functional MRI (fMRI).
  • Subjects attended to one of two superimposed, transparent, dot-motion surfaces.

Related Experiment Videos

  • Spatiotemporal analysis of neural activity.

    • Main Results:

    • Rapid increase in neural activity observed.
    • Activity localized to a color-selective region of the fusiform gyrus.
    • This occurred when the attended surface had an irrelevant color feature.

    Conclusions:

    • Neural activity supports rapid binding of features to form unified objects.
    • Findings align with the "integrated-competition" model of object-selective attention.
    • Identified a dynamic neural substrate for feature integration in visual attention.