Clinical Research Directory

Inclusion Criteria: * Age from 18 to 65 years * Self-identifies as a person who currently stutters * Right-handed or left-handed * Normal hearing and (corrected) vision * Able to understand and give informed consent * Monolingual English speaker Exclusion Criteria: * Cardiac pacemaker or pacemaker wires; neurostimulators; implanted pumps * Metal in the body (rods, plates, screws, shrapnel, dentures, IUD) or metallic particles in the eye * Facial tattoos * Not having medical insurance * Surgical clips in the head or previous neurosurgery * Any magnetic particles in the body * Cochlear implants * Prosthetic heart valves * Epilepsy or any other type of seizure history * History of significant head trauma (i.e., extended loss of consciousness, neurological sequelae) * Known structural brain lesions * Pre-existing speech, language, or neurological disorder (except for stuttering) * Significant other disease (heart disease, malignant tumors, mental disorders) * Significant claustrophobia; Ménière's disease * Women who are trying to get pregnant and sexually active women (of reproductive age) not on a reliable contraceptive * Pregnancy, breastfeeding * Medications increasing the risk for seizures * Non-prescribed drug use * Use of recreational drugs such as medical marijuana * Failure to perform the behavioral tasks or neuropsychological evaluation tests * Prisoners