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Is there a link between motor performance variability and social-communicative impairment in children with ADHD-CT: a
Nicole Papadopoulos1, Nicole J Rinehart2, John L Bradshaw2
1Monash University, Notting Hill, Victoria, Australia Nicole.Papadopoulos@monash.edu.
Objective:
This study investigated the relationship between motor performance and social-communicative impairment in children with ADHD-combined type (ADHD-CT).
Method:
An upper limb Fitts' aiming task was used as a measure of motor performance and the Social Responsiveness Scale as a measure of social-communicative/autistic impairment in the following groups: ADHD-CT (n = 11) and typically developing (TD) controls (n = 10).
Results:
Children with ADHD-CT displayed greater variability in their movements, reflected in 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.
Conclusion:
Social-communicative impairments further complicate the clinical picture of ADHD-CT; therefore, further research in this area is warranted to ascertain whether a particular pattern of motor disturbance in children with ADHD-CT may be clinically useful in identifying and assessing children with a more complex ADHD presentation.
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