The following results were recorded:
- Children with ADHD-CT displayed greater variability in their movements, as seen with increased error variance over repeated aiming trials compared with TD controls.
- Motor performance variability was associated with social-communicative deficits in the ADHD-CT but not in the TD group.
The researchers concluded that further research is needed to determine whether a particular pattern of motor disturbance in children with ADHD-CT may be useful in evaluating children with a more complex ADHD presentation.
Reference: Nicole Papadopoulos, Nicole J. Rinehart, John L. Bradshaw, John Taffe, and Jennifer McGinley. Is There a Link Between Motor Performance Variability and Social-Communicative Impairment in Children With ADHD-CT: A Kinematic Study Using an Upper Limb Fitts’ Aiming Task. Journal of Attention Disorders January 2015 19: 72-77, first published on July 30, 2012 doi:10.1177/1087054712454569
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