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Hand preference in children with developmental coordination disorders: cause and effect?
1Department of Psychology, Norwegian University of Science and Technology, Trondheim, Norway. hermundurs@svt.ntnu.no
Brain and Cognition
|May 25, 2002
Summary
Children with hand-eye coordination problems (HECP) showed poorer sensory matching performance, particularly with their non-preferred hand. This suggests potential neurological links affecting non-dominant hand function in HECP.
Area of Science:
- Developmental psychology
- Neuroscience
- Motor control
Background:
- Hand-eye coordination problems (HECP) can impact various motor and sensory tasks.
- Left-handed individuals may exhibit different sensory processing compared to right-handed individuals.
Purpose of the Study:
- To investigate inter- and intra-modal sensory matching abilities in children with HECP.
- To compare the performance of left-handed children with and without HECP.
- To explore the role of hand dominance in sensory matching for children with HECP.
Main Methods:
- A manual sensory matching task involving visual and proprioceptive targets was administered.
- Participants located targets and matched them without vision.
- Performance was assessed for both preferred (left) and non-preferred (right) hands.
Main Results:
- Visual or combined visual/proprioceptive target localization improved performance for both groups.
- Children with HECP demonstrated inferior inter- and intra-modal matching compared to controls.
- The performance deficit in HECP children was primarily linked to their non-preferred (right) hand.
Conclusions:
- The findings challenge the assumption that intra-modal matching is always superior to inter-modal matching.
- Impaired non-preferred hand performance in HECP children may indicate neurological differences in hemisphere development.
- Further research into the neurodevelopmental basis of HECP and its impact on sensory-motor integration is warranted.