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

The kinetic occipital region in human visual cortex

P Dupont1, B De Bruyn, R Vandenberghe

  • 1Laboratorium voor Neuro-en Psychofysiologie, KULeuven, Medical School, Belgium.

Cerebral Cortex (New York, N.Y. : 1991)
|April 1, 1997
PubMed
Summary

The kinetic occipital (KO) region strongly activates during passive viewing of visual motion. This brain region processes both shape and motion, unlike area MT/V5 which favors motion.

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

Uncovering the fast, directional signal flow through the human temporal pole during semantic processing.

Scientific reports·2023
Same author

From Observed Action Identity to Social Affordances.

Trends in cognitive sciences·2021
Same author

Histological assessment of a chronically implanted cylindrically-shaped, polymer-based neural probe in the monkey.

Journal of neural engineering·2021
Same author

A shared neural substrate for action verbs and observed actions in human posterior parietal cortex.

Science advances·2020
Same author

Multiple time courses of somatosensory responses in human cortex.

NeuroImage·2017
Same author

Decomposing Tool-Action Observation: A Stereo-EEG Study.

Cerebral cortex (New York, N.Y. : 1991)·2017

Area of Science:

  • Neuroscience
  • Visual Perception
  • Brain Imaging

Background:

  • The kinetic occipital (KO) region is located in the lateral occipital cortex.
  • Understanding visual processing in KO is crucial for comprehending motion perception.

Purpose of the Study:

  • To investigate the activation patterns of the kinetic occipital (KO) region under passive viewing conditions.
  • To compare the processing of kinetic gratings versus uniform motion and luminance-defined gratings in the KO region.
  • To explore the role of the KO region in processing shape and motion information.

Main Methods:

  • Utilized continuous, randomly changing visual stimulation.
  • Employed functional magnetic resonance imaging (fMRI) to measure brain activity.
  • Compared brain activation during passive viewing versus active task performance (counting gratings).

Related Experiment Videos

Main Results:

  • The KO region showed strong bilateral activation under passive viewing of kinetic gratings.
  • KO activation was greater during passive viewing than during active tasks.
  • The KO region processes both shape and motion, while area MT/V5 favors motion signals.
  • Shape and motion processing were segregated in occipitotemporal and parietal regions, respectively.

Conclusions:

  • The kinetic occipital (KO) region is significantly activated by visual motion during passive viewing.
  • KO appears to integrate shape and motion information, distinct from the motion-biased processing in area MT/V5.
  • Observed KO activation patterns in humans do not directly correspond to similar neuron locations in macaque monkeys.