Inclusion Criteria:  First ever stroke Onset of stroke less than 3 months Sufficiently medically stable to participate in active rehabilitation Mild-to-moderate upper extremity motor impairments (Brunnstrom stage for the upper extremity 2-6).  Exclusion Criteria:  Severe cognitive impairment (defined as score < 10 on the Mini-Mental State Examination) Evidence of apraxia Clinical history of neglect Previous upper extremity hemiplegia.