Interhemispheric motor interactions in hemiparetic children with perinatal stroke: Clinical correlates and effects of neuromodulation therapy

Perinatal ischemic stroke (PS) is the occlusion of arteries or veins that results in cerebral damage between 20 weeks gestation and 28 days of life (Raju, 2007; Nelson and Lynch, 2004). PS is common, occurring in >1:3000 live births, and accounts for most hemiparetic cerebral palsy (CP) (Kirton and DeVeber, 2013). Children with PS-induced hemiparetic CP typically manifest motor asymmetry and early hand preference in the first 4-6 months of life (Kirton et al., 2010b). How the motor system develops following such early unilateral brain injury is increasingly defined by animal (Martin et al., 2007) and human (Eyre, 2007; Staudt, 2007) studies.

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