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

Cortical potentials reflecting motion processing in humans

D R Patzwahl1, J M Zanker, E O Altenmüller

  • 1Neurologische Universitätsklinik, Tübingen, Germany.

Visual Neuroscience
|November 1, 1994
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

Sensory feedback - Dependent neural de-orchestration: The effect of altered sensory feedback on Musician's Dystonia.

Restorative neurology and neuroscience·2015
Same author

Movement-induced motion signal distributions in outdoor scenes.

Network (Bristol, England)·2006
Same author

On temporal hyperacuity in the human visual system.

Vision research·2002
Same author

Speed tuning in elementary motion detectors of the correlation type.

Biological cybernetics·2002
Same author

The directional tuning of the barber-pole illusion.

Perception·2002
Same author

What determines the perceived speed of dots moving within apertures?

Experimental brain research·2001
Same journal

Support for the efficient coding account of visual discomfort.

Visual neuroscience·2024
Same journal

Visual Field Asymmetries in Responses to ON and OFF Pathway Biasing Stimuli.

Visual neuroscience·2024
Same journal

Pattern reversal chromatic VEPs like onsets, are unaffected by attentional demand.

Visual neuroscience·2024
Same journal

The interaction between luminance polarity grouping and symmetry axes on the ERP responses to symmetry.

Visual neuroscience·2024
Same journal

Electroretinographic responses to periodic stimuli in primates and the relevance for visual perception and for clinical studies.

Visual neuroscience·2024
Same journal

Synaptotagmin-9 in mouse retina.

Visual neuroscience·2024
See all related articles

Human visual cortex processes object motion, with parietal slow potentials specifically reflecting this activity. This study used noninvasive recordings to map motion processing areas, finding distinct activation patterns for object motion versus control stimuli.

Area of Science:

  • Neuroscience
  • Visual Perception
  • Cognitive Science

Background:

  • The human visual system is thought to have specialized areas for motion processing, similar to monkeys.
  • Noninvasive scalp potential recordings can reveal functional organization of the visual cortex.

Purpose of the Study:

  • To investigate how the human visual system processes different types of motion stimuli.
  • To identify specific cortical areas involved in object motion perception using slow cortical potentials.

Main Methods:

  • Recorded slow cortical potentials from normal subjects viewing random dot kinematograms.
  • Utilized three classes of object motion (Fourier, drift-balanced, theta motion) and control stimuli (large-field motion, counterphase flicker).

Main Results:

Related Experiment Videos

  • Object motion stimuli elicited similar activation patterns, distinct from control stimuli.
  • Object motion primarily activated the superior parietal cortex, while control stimuli activated the occipital lobe.
  • Slow cortical potentials showed temporal changes related to object motion direction (centripetal/centrifugal) and spatial position.

Conclusions:

  • Parietal slow potentials specifically reflect the cortical processing of object motion.
  • The findings support a specialized role for the parietal cortex in complex motion perception.
  • Results align with known visual field mapping onto the cortex.