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

Interactions among neuronal systems assessed with functional neuroimaging.

C Büchel1, K Friston

  • 1Cognitive Neuroscience Laboratory, Dept. of Neurology, Hamburg University, Martinistr. 52, 20246 Hamburg, Germany. buechel@uke.uni-hamburg.de

Revue Neurologique
|October 26, 2001
PubMed
Summary

This study presents a framework for understanding brain organization, showing how functional specialization and integration operate at various scales. It demonstrates how attention and learning modulate effective connectivity in the visual system using functional neuroimaging.

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

Influence of reduced amounts of sulfoquinovosyl diacylglycerol on the thylakoid membranes of the diatom <i>Thalassiosira pseudonana</i>.

Photosynthetica·2024
Same author

Decoding cerebro-spinal signatures of human behavior: Application to motor sequence learning.

NeuroImage·2023
Same author

Caching mechanisms for habit formation in Active Inference.

Neurocomputing·2020
Same author

Interaction between striatal volume and DAT1 polymorphism predicts working memory development during adolescence.

Developmental cognitive neuroscience·2018
Same author

Interactions between brain and spinal cord mediate value effects in nocebo hyperalgesia.

Science (New York, N.Y.)·2017
Same author

Distinct Top-down and Bottom-up Brain Connectivity During Visual Perception and Imagery.

Scientific reports·2017

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Systems Neuroscience

Background:

  • Cortical organization relies on functional specialization and integration across multiple spatial scales.
  • Macroscopic examples include visual areas V1 and V5 within the dorsal stream.
  • Microscopic examples involve ocular dominance columns within V1.

Purpose of the Study:

  • To present a framework for inferring functional integration between brain regions using functional magnetic resonance imaging (fMRI).
  • To demonstrate how this framework can incorporate second-order terms for contextual modulations.
  • To illustrate the modulation of effective connectivity by attention and paired associates learning.

Main Methods:

  • Utilizing functional neuroimaging techniques like fMRI, PET, EEG, and MEG.

Related Experiment Videos

  • Developing a framework that incorporates second-order terms to model contextual modulations.
  • Applying the framework to analyze effective connectivity changes in the visual system.

    • Main Results:

    • The proposed framework allows for inferences on functional integration between brain regions using fMRI.
    • The framework explicitly allows for contextual modulations by incorporating second-order terms.
    • Attention and paired associates learning were shown to modulate effective connectivity within the visual system.

    Conclusions:

    • The framework provides a method to study functional integration and specialization in the brain.
    • Non-linear modulatory feedback connections can explain observed changes in effective connectivity.
    • This approach enhances our understanding of dynamic brain network interactions.