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

Human primary visual cortex and lateral geniculate nucleus activation during visual imagery

W Chen1, T Kato, X H Zhu

  • 1Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota, Minneapolis 55455, USA.

Neuroreport
|December 19, 1998
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 retinotopic wiring principle of the human brain.

bioRxiv : the preprint server for biology·2026
Same author

High resolution whole brain diffusion imaging at 7T for the Human Connectome Project.

NeuroImage·2015
Same author

Evaluation of highly accelerated simultaneous multi-slice EPI for fMRI.

NeuroImage·2014
Same author

Mental rotation studied by functional magnetic resonance imaging at high field (4 tesla): performance and cortical activation.

Journal of cognitive neuroscience·2013
Same author

Effects of image reconstruction on fiber orientation mapping from multichannel diffusion MRI: reducing the noise floor using SENSE.

Magnetic resonance in medicine·2013
Same author

The synthesis-diffusion-degradation model explains Bicoid gradient formation in unfertilized eggs.

Physical biology·2012

This study used fMRI to investigate visual imagery. Researchers found that the lateral geniculate nucleus (LGN) activates during visual imagery, showing a connection with the primary visual cortex (V1).

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Neuroimaging

Background:

  • Functional magnetic resonance imaging (fMRI) maps brain activity during visual tasks.
  • A key debate in visual neuroscience concerns the role of lower-order visual areas in visual imagery.
  • Understanding this activation is crucial for comprehending visual perception and cognition.

Purpose of the Study:

  • To investigate whether lower-order visual areas, specifically the lateral geniculate nucleus (LGN), are involved in visual imagery.
  • To examine the functional activation patterns in the human brain during visual imagery using high-field fMRI.

Main Methods:

  • Utilized functional magnetic resonance imaging (fMRI) at high magnetic field strength.
  • Stimulated visual perception in human participants to observe brain responses.

Related Experiment Videos

  • Analyzed brain activation in visual pathways, including the primary visual cortex (V1) and LGN.

    • Main Results:

    • Demonstrated for the first time that the LGN is activated during visual imagery in the human brain.
    • Observed co-activation of the LGN with the primary visual cortex (V1) and other visual areas.
    • Found a strong coupling between V1 and LGN activation during visual imagery tasks.

    Conclusions:

    • The lateral geniculate nucleus (LGN) plays a role in the visual imagery process.
    • High-field fMRI provides robust evidence for LGN involvement in visual imagery.
    • There is a significant functional linkage between early visual areas (V1 and LGN) during mental visualization.