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

Task dependent processing of visual information about target acceleration.

A Dubrowski1, H Carnahan

  • 1Department of Kinesiology, University of Waterloo, Canada.

Brain and Cognition
|June 17, 2000
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

Abstracts of presentations to the Annual Meetings of the Canadian Society of Colon and Rectal Surgeons Canadian Association of General Surgeons Canadian Association of Thoracic Surgeons: Canadian Surgery Forum, Toronto, Ont., September 6-9, 2007.

Canadian journal of surgery. Journal canadien de chirurgie·2023
Same author

Development of a novel 3D-printed multifunctional thorax model simulator for the simulation-based training of tube thoracostomy.

CJEM·2021
Same author

Long-Term Exposure to Ambient Air Pollution in Childhood-Adolescence and Lung Function in Adulthood.

Advances in experimental medicine and biology·2018
Same author

Influence of Socioeconomic and Anthropometric Factors on Respiratory Function in Female University Students.

Advances in experimental medicine and biology·2017
Same author

A model of cardiopulmonary bypass staged training integrating technical and non-technical skills dedicated to cardiac trainees.

Perfusion·2014
Same author

What skills should simulation training in arthroscopy teach residents? A focus on resident input.

International journal of computer assisted radiology and surgery·2013
Same journal

Gelastic dysarthria: Speech-triggered pathological laughter with evidence for a selective pontine gating mechanism.

Brain and cognition·2026
Same journal

Brain correlates of linguistic-cognitive stimulation in neurotypical and Atypical older adult populations: A systematic review.

Brain and cognition·2026
Same journal

Effects of Dieting on Neural Encoding of Preferences for Edible and Non-Edible Rewards: An ERP Study.

Brain and cognition·2026
Same journal

Structural complexity of brain regions in mild cognitive impairment and Alzheimer's disease.

Brain and cognition·2026
Same journal

Spatial navigation training enhances performance on large-scale and small-scale spatial tasks through different neural mechanisms.

Brain and cognition·2026
Same journal

Unraveling the link between brain injury and enhanced artistic skills.

Brain and cognition·2026
See all related articles

Human perception and motor systems process target acceleration differently. Perception relies on acceleration thresholds, while action uses absolute acceleration and initial velocity, suggesting distinct visual stream processing.

Area of Science:

  • Cognitive Neuroscience
  • Human Motor Control
  • Visual Perception

Background:

  • Understanding how the human brain processes visual motion information is crucial for fields like robotics, virtual reality, and sports science.
  • Previous research indicates distinct neural pathways for visual perception (ventral stream) and action (dorsal stream), but their specific roles in processing acceleration remain debated.

Purpose of the Study:

  • To investigate the differential sensitivity of perceptual and motor systems to target acceleration cues.
  • To determine whether the ventral and dorsal visual streams process distinct aspects of target motion, specifically acceleration.

Main Methods:

  • Participants performed two tasks: verbal magnitude estimation of target acceleration and manual interception of moving targets.
  • Analysis focused on comparing participants' responses to absolute acceleration versus acceleration derived from initial, final, and average velocities.

Related Experiment Videos

Main Results:

  • In the perceptual task, participants primarily responded to acceleration threshold values (dependent on initial, final, and average velocities), not absolute acceleration.
  • During manual interception, participants relied more on the absolute acceleration value and the target's initial velocity.
  • These findings indicate a dissociation in how acceleration information is utilized by perceptual and motor systems.

Conclusions:

  • Target motion, specifically acceleration, is processed differently by the ventral (perception) and dorsal (action) visual streams.
  • The perceptual system prioritizes relative acceleration cues, while the motor system emphasizes absolute acceleration and initial velocity for action control.
  • This suggests a specialized processing of motion characteristics within distinct visual pathways tailored to the specific demands of perception versus action.