1.4 Preoperative Procedures: 1.4.1 Informed Consent: A preoperative interview will be conducted by the surgeon and audiologist to inform the parent(s) or legal guardian of the child about all aspects of implantation with the Iowa/Nucleus 10/10 mm cochlear implant and Nucleus Freedom cochlear implant, study expectations, number of visits, surgical procedure, as well as the postoperative evaluation schedule. The risks of surgery shall be explained to the parent(s) or guardian as outlined on the Informed Consent Form (Parental Agreement). These include the normal risks associated with general anesthetic, as well as other risks such as facial paralysis, dizziness, meningitis, postoperative discomfort, and flap complications. The potential limitations and advantages of implantation with the Iowa/Nucleus 10/10 mm and Nucleus Freedom cochlear implants shall also be explained. The parent(s) or guardian will be given adequate time to review the Informed Consent Form and given the opportunity to ask questions about the Informed Consent and/or the study prior to signing the Informed Consent Form. The parent(s) or guardian will then be given a copy of the signed Informed Consent Form.