Microelectrode Brain-Machine Interface for Individuals With Tetraplegia

Inclusion Criteria: * Limited or no ability to use both hands due to cervical spinal cord injury or brainstem or spinal stroke * At least 1 year post-injury * Live within 1 hour of the University of Pittsburgh and be willing to travel to the University of Pittsburgh once per week for BMI training * Additional inclusion criteria must also be reviewed Exclusion Criteria: * Certain implanted devices * Presence of other serious disease or disorder that could affect ability to participate in this study * Individuals who are immunosuppressed or who have conditions that typically result in immunocompromise * Additional exclusion criteria must also be reviewed