Transcranial Direct Current Stimulation (tDCS)-Enhanced Stroke Recovery

Inclusion Criteria: * ischemic stroke causing arm weakness within 5-15 days * no other neurological or psychiatric disease, who are able to perform study tasks Exclusion Criteria: * patients younger than 18 or older than 80 years * patients with more than one disabling stroke * Patients with bilateral motor impairment * Patients with poor motivational capacity, history of severe alcohol or drug abuse * Patients with severe language disturbances, particularly of receptive nature * Patients with serious cognitive deficits (defined as equivalent to a MMS score of 23 or less) * Patients with severe uncontrolled medical problems (e.g., seizures, progressive stroke syndromes, severe rheumatoid arthritis, active joint deformity of arthritic origin, active cancer or renal disease, end-stage pulmonary or cardiovascular disease, or a deteriorated condition due to age or others), * Patients with unstable thyroid disease * Patients with increased intracranial pressure * Patients with unstable cardiac arrhythmia * Patients with contraindication to TMS or tDCS stimulation (pacemaker, an implanted medication pump, a metal plate in the skull, or metal objects inside the eye or skull, patients who had a craniotomy, skin lesions at the site of stimulation) * Patients who are not available for follow-up at 3 and 12 months * Pregnancy * Patients with contraindication to MRI will not participate in MRI