Stroke Motor Rehabilitation and Recovery Study

Inclusion Criteria * Age 18 - 90 * Upper extremity motor weakness after ischemic and/or hemorrhagic stroke as defined by a score of \>=1 on NIH Stroke Scale Arm Motor Drift Questions 5A or 5B * Ability to follow simple commands in English * Score of zero or 1 on the NIH Stroke Scale Level of Consciousness Questions 1a and 1b and a score of zero on the NIH Stroke Scale Level of Consciousness Question 1c. * Stable medical status as determined by primary care team * Inpatient on the MGH stroke neurology service Exclusion Criteria * Prior history of developmental, neurologic, or major psychiatric disorder resulting in functional disability * Prior history of visual or auditory disorders limiting ability to participate in testing * Evidence of an uncontrolled seizure disorder * Patients for whom EEG leads are contraindicated