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Related Experiment Videos

A longitudinal study on hand use while building a tower.

Peter B Marschik1, Christa Einspieler, Andrea Strohmeier

  • 1Institute of Physiology, Center for Physiological Medicine, Medical University of Graz, Austria.

Laterality
|June 15, 2007
PubMed
Summary
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Hand preference for stacking blocks fluctuates during childhood, with no consistent age-related increase observed. However, right-hand use from age 4.5 years correlates with later manual laterality in school-aged children.

Area of Science:

  • Developmental psychology
  • Motor control
  • Human behavior

Background:

  • Hand preference, or manual laterality, is a key aspect of motor development.
  • Understanding the developmental trajectory of hand use in early childhood is crucial for identifying typical development patterns.

Purpose of the Study:

  • To describe the developmental trends in hand use for block stacking from 18 months to 7 years.
  • To investigate the relationship between right-hand use during block stacking and later manual laterality in school-aged children.

Main Methods:

  • Longitudinal study involving 28 children assessed five times.
  • Children were tasked with building a tower using blocks.
  • Hand use during the task was observed and recorded.

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Main Results:

  • Right-hand use showed significant fluctuations with age, but no overall age-related increase was found.
  • A notable decrease in right-hand use occurred between 26 months and 4 years 7 months.
  • From 4 years 7 months onwards, right-hand use in block stacking significantly correlated with laterality quotient at school age.

Conclusions:

  • Hand preference for fine motor tasks like block stacking is not linear and exhibits variability in early childhood.
  • The observed relationship suggests that hand use patterns in preschool years may predict established manual laterality later in development.