Motor SkillsCerebral PalsyMotor Skills DisordersChild DevelopmentMotor CortexMotor ActivityDevelopmental DisabilitiesLearningMotor NeuronsEvoked Potentials, MotorPsychomotor PerformanceMovement DisordersPractice (Psychology)RhizotomyMuscle SpasticityMovementDisability EvaluationPsychomotor DisordersPhysical Therapy ModalitiesDyskinesiasDisabled ChildrenParesisSerial LearningTask Performance and AnalysisAnalysis of Variance