Trials Today

• 18-89 years old across all races, genders, and ethnicities. - Post-stroke subjects will have persistent hemiparesis on the upper extremity (UE) with some residual UE voluntary movement.

Able-bodied subjects: - Younger than 18 years old or older than 89 years old - Current or history of cardiac disease - Have a vision problem not corrected by glasses or contact lenses - Have an implanted device such as a neurostimulator or cochlear implant - Current or history of tympanic membrane perforation - Had a stroke or lesion (including tumor) in your brain - Had a head injury or brain surgery - Suffer from frequent or severe headaches - Had a fainting spell or syncope - Have any metal in the head such as shrapnel, surgical clips, or fragments from welding or metal work - Have any implanted device such as cardiac pacemakers, medical pumps, or intra-cardiac lines - Had any brain-related conditions (i.e. multiple sclerosis, Parkinson, Alzheimer) - Had any illness that caused brain injury (i.e. meningitis, aneurysm, brain tumor) - Had any head trauma that was associated with a loss of consciousness or diagnosed as a concussion - Being treated for any psychiatric condition (i.e. depression, anxiety, PTSD, schizophrenia) - Suspected of pregnancy Post-stroke subjects: - Younger than 18 years old or older than 89 years old - Current or history of cardiac disease - Have a vision problem not corrected by glasses or contact lenses - Have any implanted devices such as a neurostimulator or cochlear implant - Current or history of tympanic membrane perforation - No persistent hemiparesis on the upper extremity (UE) - No residual UE voluntary movement - A first stroke less than 4 months prior to the participation - Serious uncontrolled medical conditions - Excessive pain in any joint of the more affected extremity - Unable to stand independently for 2 min., transfer independently to and from the toilet or perform sit-to-stand - Suffer from frequent or severe headaches - Had a fainting spell or syncope - Have any metal in the head such as shrapnel, surgical clips, or fragments from welding or metal work - Have any implanted device such as cardiac pacemakers, medical pumps, or intra-cardiac lines - Had any illness that caused brain injury (i.e. meningitis, aneurysm, brain tumor) - Had any head trauma that was associated with a loss of consciousness or diagnosed as a concussion - Being treated for any psychiatric condition (i.e. depression, anxiety, PTSD, schizophrenia) - Suspected of pregnancy - A score of less than 24 on the Folstein Mini-Mental State Examination - Excessive frailty or lack of stamina (e.g., cannot attend to instructions, stay awake, engage in functional activities, etc.) - Excessive pain in any joint of the more affected extremity that could limit ability to cooperate with the intervention