Improving Functional Outcomes in Patients With Unilateral Vocal Cord Paralysis: Assessment of Adaptation Using Functional Magnetic Resonance Imaging

Inclusion Criteria: * Patients with UVCP undergoing type I thyroplasty or vocal fold augmentation for rehabilitation of speech and swallowing. * Inclusion criteria for the healthy subjects: * From age 18-85 Exclusion Criteria: * for the UVCP patients includes the following: * History of significant psychiatric condition (e.g. schizophrenia, obsessive-compulsive disorder, significant dementia), * History of the following neurological conditions: CVA, seizure disorders, demyelinating conditions, systemic neuromuscular disorders, cerebral palsy, Alzheimer's disease. * History of previous moderate to severe traumatic brain injury. * History of significant cardiovascular, gastrointestinal or renal disease (e.g. myocardial infarction within the previous 12 months, significant vaso-occlusive disease, severe or advanced asthma, or renal compromise) * History of achalasia * History of dysphagia, odynophagia, or aphasia unrelated to present illness. * History of significant claustrophobic reactions. * Standard contraindications to MR examinations (e.g. implanted stimulators, pregnancy). Exclusion criteria for the healthy subjects includes the following: * All of the conditions listed for the UVCP patients. * Significant surgery or previous radiation therapy to the head and neck. * History of other neoplasms involving the brain, head and neck, or gastrointestinal system.