Left-Handedness and Developmental Coordination Disorder

Author:

Cairney John1,Schmidt Louis A2,Veldhuizen Scott3,Kurdyak Paul4,Hay John5,Faught Brent E6

Affiliation:

1. Child Health Research and Associate Director of Research, McMaster Family Medicine Professor, Department of Family Medicine, McMaster University, Hamilton, Ontario; Associate Professor, Department of Psychiatry and Behavioural Neuroscience, McMaster University, Hamilton, Ontario; Senior Research Scientist, Health Systems Research and Consulting Unit, Centre for Addiction and Mental Health, Toronto, Ontario

2. Associate Professor, Department of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, Ontario

3. Research Associate, Health Systems Research and Consulting Unit, Centre for Addiction and Mental Health, Toronto, Ontario

4. Head of Emergency Crisis Services, Head of Research, Centralized Assessment, Triage and Support, Centre for Addiction and Mental Health, Toronto, Ontario; Lecturer, Department of Psychiatry, University of Toronto, Toronto, Ontario

5. Professor, Department of Community Health Sciences, Brock University, St Catharines, Ontario

6. Associate Professor, Department of Community Health Sciences, Brock University, St Catharines, Ontario

Abstract

Objective: To examine the prevalence of left-handedness in a sample of children screened for developmental coordination disorder (DCD). Method: Using the Bruininks-Oseretsky Test of Motor Proficiency—Short Form (BOTMP-SF), 2297 children were screened with 128 scoring at or below the fifth percentile and identified as probable cases of DCD. Using the Movement-ABC (M-ABC) and the Kaufman Brief Intelligence Test, 30 children (24 from the DCD group, and 6 who scored above the cut-off) were randomly selected for further assessment. Results: Among the students who had previously scored at or below the fifth percentile on the BOTMP-SF, 24 were evaluated. Among the 19 children who met diagnostic criteria for DCD (IQ > 70, M-ABC < 16th percentile), 37% ( n = 9) were left-handed. Among children who scored at or below the fifth percentile of the M-ABC, 46% were left-handed (6/13). Conclusion: The prevalence of left-handedness in children with DCD suggests a possible role for cerebral lateralization in motor coordination problems.

Publisher

SAGE Publications

Subject

Psychiatry and Mental health

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