Combining MyoCI With Memory Reactivation to Improve Motor Recovery After Stroke

Inclusion Criteria: * Age at enrollment is 21 or older * Hemiparesis from first ever stroke affecting arm movement at least 6 months prior to screening * Severe to moderate motor impairment (FMA-UE of 7-40) * At least some voluntary shoulder and elbow muscle activation Exclusion Criteria: * Inability to follow instructions of the MyoCI task * Visual impairment (such as hemianopia) preventing full view of screen * Anesthesia or neglect in the affected arm, or visual hemineglect (score of 2 on the NIH Stroke Scale Extinction and Inattention subtest) * Participation in another study on the affected arm within 6 weeks of enrollment or any pharmacological study * Inability to understand or follow commands in English due to aphasia or other reason * Diffuse or multifocal infarcts in both hemispheres * Substantial arm pain preventing participation for 90 minutes a day * Spasticity treatment (pharmacological or Botox) within last 3 months * Ferromagnetic implants that are MRI incompatible