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

Vision and laterality: does occlusion disclose a feedback processing advantage for the right hand system?

M J Buekers1, W F Helsen

  • 1Department of Kinesiology, FLDK Katholieke Universiteit Leuven, Belgium. martinus.buekers@flok.kuleuven.ac.be

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
|November 4, 2000
PubMed
Summary

This study investigated manual asymmetries and visual feedback processing. Results show that degraded vision affects both hands equally, challenging theories linking right-hand superiority to visual processing advantages.

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

The interaction between constituent year and within-1-year effects in elite German youth basketball.

Scandinavian journal of medicine & science in sports·2016
Same author

Keeping an eye on imagery: the role of eye movements during motor imagery training.

Neuroscience·2011
Same author

Temporal and spatial coupling of point of gaze and hand movements in aiming.

Journal of motor behavior·2009
Same author

The effect of levetiracetam on tremor severity and functionality in patients with multiple sclerosis.

Multiple sclerosis (Houndmills, Basingstoke, England)·2009
Same author

Eye-hand coordination asymmetries in manual aiming.

Journal of motor behavior·2007
Same author

Effect of visual information on step-tracking movements in patients with intention tremor due to multiple sclerosis.

Multiple sclerosis (Houndmills, Basingstoke, England)·2003

Area of Science:

  • Neuroscience
  • Motor Control
  • Human Movement Science

Background:

  • The human brain exhibits lateralization, with the left hemisphere typically dominant for language and fine motor control in right-handed individuals.
  • Manual asymmetries, particularly the dominance of the right hand, are well-documented, but the underlying mechanisms remain debated.
  • The role of visual feedback in motor control and its potential contribution to manual asymmetries require further investigation.

Purpose of the Study:

  • To determine if manual asymmetries are associated with the left hemisphere/right hand system's superior visual feedback processing.
  • To investigate the influence of intermittent vision on motor performance in relation to hand dominance.

Main Methods:

  • Participants performed single and reciprocal aiming movements under various intermittent vision conditions.

Related Experiment Videos

  • Experimental conditions manipulated the duration of visual stimulus presentation and occlusion (e.g., 20 ms on/180 ms off).
  • Performance metrics were analyzed to compare right-hand and left-hand performance across different visual feedback scenarios.

    • Main Results:

    • Right-hand advantages were observed in both single and reciprocal aiming tasks.
    • Manual asymmetries did not interact with the intermittent vision conditions, indicating no differential effect based on visual feedback.
    • Both hands showed similar performance decrements under degraded vision conditions, suggesting equivalent sensitivity to visual feedback limitations.

    Conclusions:

    • The findings do not support the hypothesis that manual asymmetries are explained by superior visual feedback processing in the left hemisphere/right hand system.
    • Motor performance for both the dominant (right) and non-dominant (left) hands is similarly affected when visual feedback is degraded.
    • The study suggests that factors other than visual feedback processing efficiency may underlie observed manual asymmetries.