cochlear implant. hearing aid in the ear.

accessory advanced bionics articulation audiology audiometry auditory auditory nerve behind- -ear closeup cochlear cochlear implant deaf deaf audiologist device digital ear echolalia health health-care hear hearing aid aid loss illness implantation isolated med-el medicine microphone monocline prosthetics object oral speech organ otolaryngology otologist patient person plastic processor prosthetic sensorineural sensory sign language teaching specificity surgery technology treatment tuner wearing