Clinical Research Directory

Inclusion Criteria for persons with MS: * Diagnosis of relapsing form of MS * Expanded Disability Status Scale (EDSS) score of at least 3 and no more than 6.5 * Relapse free for at least 1 year * Age ≥18 years and ≤75 years * No change in Dalfampridine dose at least 2 months prior to enrollment Exclusion Criteria for persons with MS: * Uncontrolled hypertension or hypotension (outside 140/90 and 90/60 mmHg) * History of epilepsy or seizures Inclusion Criteria for uninjured controls: * Age ≥18 years and ≤75 years * Safe to participate in TMS (TMS questionnaire) Exclusion Criteria for uninjured controls: * Uncontrolled hypertension or hypotension (outside 140/90 and 90/60 mmHg) * History of epilepsy or seizures Exclusion criteria to TMS participation for persons with MS and uninjured controls: * Uncontrolled medical problems affecting the lungs (pulmonary diseases including chronic obstructive pulmonary disease), the heart (cardiovascular diseases) or the musculoskeletal system (orthopedic diseases) * Premorbid, ongoing major depression or psychosis, altered cognitive status * History of stroke * Metal in head (e.g., surgical clips, shrapnel) * History of seizures or epilepsy diagnosis * Receiving drugs acting primarily on the central nervous system, which lower the seizure threshold such as antipsychotic drugs (chlorpromazine, clozapine) or tricyclic antidepressants * Surgery to the head * Any non-MS related neurological diseases * Illnesses that may have caused brain injury * Unexplained frequent or severe headaches * Pregnancy in females * Implanted devices (e.g., pacemakers, medical pumps, brain stimulators) * Unable to participate in TMS