RecruitingDevice studySafety and Feasibility of Paired Transcutaneous Auricular Vagus Nerve Stimulation (taVNS) With Upper Limb Rehabilitation in Incomplete Spinal Cord InjuryThe purpose of this study is to evaluate the safety and feasibility of transcutaneous auricular Vagus Nerve Stimulation (taVNS) paired with upper-limb rehabilitation in adults with tetraplegia caused by cervical spinal cord injury.