Clinical Research Directory

Inclusion Criteria: * 18-100 years old, * native English speakers, * medically stable to participate in the study. For those with cerebellar disorders: * presenting with a cerebellar disorder including cerebellar stroke * cerebellar disorder onset at least 2 weeks before enrollment. Exclusion Criteria: * are unable to give consent, * have contractures, orthopedic problems, or other impairments that would interfere with the use of the robot or limit the range of joint motion in the potential study arm, * presence of medical condition or implant that prevents safe administration of stimulation (history of seizures, and/or taking any of the following medications: lamotrigine (Lamictal), levetiracetam (Keppra), oxcarbazepine (Trileptal), topiramate (Topamax), phenytoin (Dilantin), arbamazepine (Tegretol), valproic acid (Depakote), or phenobarbital (Barbita, Luminal, Solfoton). * have any factor that precludes participation in a magnetic resonance imaging (MRI) session (e.g. ferrous metal in the body), or * have a medical condition or physical impairment precluding the ability of the participant to complete the required testing. * are pregnant Control participants will be excluded for the following condition: \- have self-reported history of neurological injury or a developmental disorder