Safety and Efficacy of NeuroTechR3 System for Upper Extremity Recovery After Stroke

Inclusion Criteria:

* Age ≥18 years at the time of enrollment
* Diagnosed with stroke
* No other peripheral or central neurological condition limiting target upper extremity function (previous stroke is ok)
* Indicated for upper extremity training procedures by participant's treating physician, occupational therapist, or physical therapist
* Capable of providing informed consent
* Participant demonstrates active extension of wrist and activation of at least two other digits plus thumb activation

Exclusion Criteria:

* In the opinion of the investigators, the study is not safe or appropriate for the participant, and/or the participant is unlikely to return for the follow-up visits per the protocol to return the device at 4 weeks post discharge
* Visual impairment that would severely limit ability to see a computer screen for participation in sessions, including severe spatial neglect making the person unable to interact with an entire computer screen
* Inability to follow a 3-step motor command
* Severe upper extremity tone that will limit participation in study
* No internet access at home
* Severe receptive aphasia
* Severe arthritis that limits hand and arm movements
* Not independent in functional activities/mobility prior to stroke