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Related Experiment Video

Updated: May 8, 2026

Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum
07:30

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Published on: March 21, 2019

Eyes on hand-eyes on target?

H T Whiting1, I M Cockerill

  • 1a Department of Physical Education , University of Leeds-Leeds , England.

Journal of Motor Behavior
|August 17, 2013
PubMed
Summary

Children and adults performing a ballistic aiming task were more accurate when they could see the target compared to seeing their hand. Accuracy decreased with increased distance for all age groups.

Area of Science:

  • Motor Control
  • Human Factors
  • Developmental Psychology

Background:

  • Understanding how visual feedback influences motor performance is crucial for various fields, including rehabilitation and skill acquisition.
  • Age-related differences in motor control and visual-motor integration are not fully understood, particularly in simple ballistic tasks.

Purpose of the Study:

  • To investigate the effect of visual feedback (vision of hand vs. vision of target) on the accuracy of a one-handed ballistic aiming task across different age groups.
  • To examine how movement distance impacts accuracy in relation to age and visual feedback conditions.

Main Methods:

  • Sixty male participants were divided into three age groups: 6-7 years, 10-11 years, and 19+ years.
  • Participants performed a modified one-handed ballistic aiming task under two visual feedback conditions: seeing their hand or seeing the target.

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  • A split-plot factorial design was employed to analyze the effects of age, distance, and vision condition on performance accuracy (mean absolute error).
  • Main Results:

    • Mean absolute error scores increased significantly with greater movement distances across all age groups.
    • Participants who could see the target demonstrated significantly higher accuracy than those who could see their hand.
    • Significant interactions were found between age and distance, and between distance and vision condition, indicating complex relationships in motor performance.

    Conclusions:

    • Visual feedback focusing on the target is superior to focusing on the hand for accurate ballistic aiming, regardless of age.
    • Movement distance is a critical factor affecting accuracy, with performance degrading as distance increases.
    • The findings highlight age-dependent nuances in visual-motor integration during ballistic movements, suggesting developmental trajectories in motor control strategies.