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Related Experiment Video

Updated: Jun 28, 2026

Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury
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Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury

Published on: March 21, 2025

Left-handedness and developmental coordination disorder.

John Cairney1, Louis A Schmidt, Scott Veldhuizen

  • 1Department of Family Medicine, McMaster University, Hamilton, Ontario. cairnej@mcmaster.ca

Canadian Journal of Psychiatry. Revue Canadienne De Psychiatrie
|October 23, 2008
PubMed
Summary

Left-handedness was examined in children with developmental coordination disorder (DCD). A significant prevalence of left-handedness was found in children diagnosed with DCD, suggesting a link to motor coordination issues.

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Event-related Potentials During Target-response Tasks to Study Cognitive Processes of Upper Limb Use in Children with Unilateral Cerebral Palsy
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Event-related Potentials During Target-response Tasks to Study Cognitive Processes of Upper Limb Use in Children with Unilateral Cerebral Palsy

Published on: January 11, 2016

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Pediatrics

Background:

  • Developmental Coordination Disorder (DCD) affects motor skills in children.
  • Cerebral lateralization plays a role in brain function and motor control.
  • Understanding the prevalence of left-handedness in DCD is important for diagnosis and intervention.

Purpose of the Study:

  • To determine the prevalence of left-handedness in children screened for DCD.
  • To explore the relationship between left-handedness and motor coordination difficulties.

Main Methods:

  • Screening of 2297 children using the Bruininks-Oseretsky Test of Motor Proficiency-Short Form (BOTMP-SF).
  • Further assessment of 30 children (probable DCD cases and controls) using the Movement-ABC (M-ABC) and Kaufman Brief Intelligence Test.
  • Diagnostic criteria for DCD included IQ > 70 and M-ABC < 16th percentile.

Main Results:

  • Among 19 children meeting DCD criteria, 37% were left-handed.
  • Among children scoring at or below the fifth percentile on the M-ABC, 46% were left-handed.
  • Higher prevalence of left-handedness observed in children with DCD compared to general population estimates.

Conclusions:

  • The study indicates a notable prevalence of left-handedness in children with DCD.
  • Findings suggest a potential association between cerebral lateralization and motor coordination deficits in DCD.
  • Further research is warranted to elucidate the neurobiological underpinnings.