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

Gaze fixation patterns for negotiating complex ground terrain.

D S Marigold1, A E Patla

  • 1Gait and Posture Laboratory, Department of Kinesiology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario, Canada N2L 3G1. dsmarigo@ahsmail.uwaterloo.ca

Neuroscience
|October 24, 2006
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

Age-related changes in balance control system: initiation of stepping.

Clinical biomechanics (Bristol, Avon)·2013
Same author

Adaptation of gait termination on a slippery surface in Parkinson's disease.

Gait & posture·2012
Same author

An evaluation of sensorimotor integration during locomotion toward a target in Parkinson's disease.

Neuroscience·2005
Same author

Control of dynamic stability during gait termination on a slippery surface.

Journal of neurophysiology·2004
Same author

Tuned vibration absorber for suppression of rest tremor in Parkinson's disease.

Medical & biological engineering & computing·2004
Same author

"Look where you're going!": gaze behaviour associated with maintaining and changing the direction of locomotion.

Experimental brain research·2002

The nervous system uses visual gaze fixations on upcoming terrain to guide safe foot placement. Fixations focus on stepped-on areas and transitions, updating information continuously for adaptive walking.

Area of Science:

  • Neuroscience
  • Biomechanics
  • Visual Perception

Background:

  • Safe navigation of complex environments relies on visual information.
  • The visual system provides precise, long-distance environmental data through gaze fixations.
  • Understanding how visual data on ground terrain guides foot placement is crucial.

Purpose of the Study:

  • To investigate how the human nervous system uses visual information of complex ground terrain to guide safe foot placement.
  • To analyze gaze fixation patterns during locomotion over varied terrain.

Main Methods:

  • Participants walked across a walkway with diverse ground terrain.
  • Gaze fixations were monitored using eye-tracking technology.
  • Analysis focused on fixation locations relative to foot placement and terrain transitions.

Related Experiment Videos

Main Results:

  • Gaze fixations were predominantly directed to areas that were eventually stepped on.
  • Fixations were frequently observed on transition regions between different surfaces, as well as on the surfaces themselves.
  • Spatial information of the upcoming terrain was sampled sequentially and continuously updated during traversal.

Conclusions:

  • Gaze fixations are task-relevant and strategically directed to maximize information integration for safe foot placement.
  • The nervous system employs on-line control, continuously updating spatial terrain information for adaptability to stability concerns and environmental changes.