Inclusion Criteria:  Assured diagnosis of USCP. Children aged 6 to 18 years with USCP Dated and signed informed consent of legal guardian, informed assent from minor  Exclusion Criteria:  Epilepsy Implanted shunt system If singular primary motor cortex cannot be identified by TMS, e.g. because of bilateral cortico-spinal reorganization or resting motor threshold above 80% maximum stimulator output (MSO) Chronic medication acting on the central nervous system Severe mental retardation Psychiatric diseases Pregnancy Uncooperative patients