Cochlear Implant Hearing Loss Speech Processor Electrode Array Auditory Nerve Stimulation Sound Processor Inner Ear Binaural Hearing Implantable Hearing Devices Speech Perception Hearing Rehabilitation Electroacoustic Stimulation Post-implantation Therapy Cochlear Implant Surgery Cochlear Implant Activation Implantation Procedure Hearing Aids vs Cochlear Implants Audiologist Hearing Rehabilitation Cochlear Implant Manufacturers (e.g., Cochlear Ltd, Med-El, Advanced Bionics) Vestibular System Children’s Cochlear Implants Cochlear Implant Maps/Programming Implant Failure Post-Operative Care Cochlear Implantation in Adults Sound Localization Cochlear Implant Candidacy Electrode Insertion Auditory Brainstem Implant (ABI)