Skilled Bimanual Training Drives Motor Cortex Plasticity in Children with Unilateral Cerebral Palsy

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Abstract

Background. Intensive bimanual therapy can improve hand function in children with unilateral spastic cerebral palsy (USCP). We compared the effects of structured bimanual skill training versus unstructured bimanual practice on motor outcomes and motor map plasticity in children with USCP. Objective. We hypothesized that structured skill training would produce greater motor map plasticity than unstructured practice. Methods. Twenty children with USCP (average age 9.5; 12 males) received therapy in a day camp setting, 6 h/day, 5 days/week, for 3 weeks. In structured skill training (n = 10), children performed progressively more difficult movements and practiced functional goals. In unstructured practice (n = 10), children engaged in bimanual activities but did not practice skillful movements or functional goals. We used the Assisting Hand Assessment (AHA), Jebsen-Taylor Test of Hand Function (JTTHF), and Canadian Occupational Performance Measure (COPM) to measure hand function. We used single-pulse transcranial magnetic stimulation to map the representation of first dorsal interosseous and flexor carpi radialis muscles bilaterally. Results. Both groups showed significant improvements in bimanual hand use (AHA; P

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Friel, K. M., Kuo, H. C., Fuller, J., Ferre, C. L., Brandão, M., Carmel, J. B., … Gordon, A. M. (2016). Skilled Bimanual Training Drives Motor Cortex Plasticity in Children with Unilateral Cerebral Palsy. Neurorehabilitation and Neural Repair, 30(9), 834–844. https://doi.org/10.1177/1545968315625838

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