Effects of the Quantity of Repetitive Transcranial Magnetic Stimulation(rTMS) on the Recovery After Stroke

Inclusion Criteria: * single mono-hemispheric ischemic or hemorrhagic stroke * 1st onset stroke patient * Upper extremity functional deficit attributable to acute stroke * A stage of at least 3 on brunnström pre-treatment * Written signed consent Exclusion Criteria: * Multiple lesion * Bilateral cortical lesion and motor problems * Cerebellar, or brainstem lesions * History of more than one stroke * Uncontrolled medical problems, such as: cardiopulmonary disease, severe rheumatoid arthritis, active joint deformity of arthritic origin, active cancer, or renal disease; * Increased intracranial pressure * History of seizure confirmed by interview and medical chart review * Any individual who is on medication which is known to lower seizure threshold * Other conditions that increase the risk of side effects due to rTMS procedures: a metal plate or metal object in the skull or eye, intracardiac line, increased intracranial pressure, cardiac pacemaker, implanted medication pump, tricyclic antidepressants, neuroleptics, history of seizure in the immediate family * An age of less than 20 years old * Any current actively treated medical or surgical condition or neurological or psychiatric illness other than stroke * Complications that would prevent participation in the intervention, such as severe pain and severe spasticity * Inability to cooperate outcome measure-related task * Severe language disturbances * Serious cognitive deficits * Non-vascular cause for the neurological symptoms other central nervous system * Disorder or peripheral neuropathy of the upper extremity * Taking medication which interrupt brain activity * Women who are pregnant