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Related Experiment Videos

Hand differences in pegboard performance through development.

Eric A Roy1, Pamela Bryden, Shelley Cavill

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

Brain and Cognition
|November 11, 2003
PubMed
Summary
This summary is machine-generated.

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Manual skill and handedness show age-related changes. Younger individuals exhibit a larger right-hand advantage on pegboard tasks, with performance differences narrowing in older participants due to non-preferred hand changes.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Human Motor Control

Background:

  • Handedness is commonly assessed by comparing bilateral task performance.
  • Previous research suggests manual skill differences between hands do not significantly change with age.

Purpose of the Study:

  • To investigate age-related modifications in manual performance using the Annett pegboard.
  • To analyze how laterality quotients and movement times evolve across different age groups.

Main Methods:

  • Ninety-eight right-handed participants aged 5–24 completed three pegboard trials per hand.
  • Performance was quantified using movement time and a laterality quotient.

Main Results:

  • A consistent right-hand advantage was observed across all participants.

Related Experiment Videos

  • This right-hand advantage was more pronounced in younger individuals compared to older ones.
  • The reduced hand difference in older participants was attributed to greater age-related performance changes in their non-preferred hand.

    • Conclusions:

    • Manual performance and handedness exhibit age-dependent dynamics.
    • The development of manual skill involves differential changes in preferred and non-preferred hand performance over time.