Inclusion Criteria:  stroke experienced at 18 years of age or older not undergoing any physical rehabilitation during the time enrolled in this study mild to moderate impairments in the more affected arm and hand (i.e., movement and coordination scores on the Fugl-Meyer Assessment between 20 and 55) no cognitive impairments (mini-mental state examination ≥ 24/30) normal or corrected vision (National Institutes of Health Stroke Scale = 0)  Exclusion Criteria:  any uncorrected impairment to the visual field, such as spatial neglect or inattention (i.e., decreased awareness/perception of objects or people in a section of the visual field) (National Institutes of Health Stroke Scale > 1) inability to communicate and participate effectively for assessments and intervention sessions (mini-mental state examination and National Institutes of Health Stroke Scale) upper arm and hand movement impairment that is severe (Fugl-Meyer Assessment < 20) or non-existent (Fugl-Meyer Assessment > 55)