Cochlear implants.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003051:Cochlea / Q000601:surgery*; D012048:Correction of Hearing Impairment; D004558:Electric Stimulation; D004567:Electrodes, Implanted; D005260:Female; D006320:Hearing Tests; D049673:History, 20th Century; D006801:Humans; D007406:Interview, Psychological; D007802:Language; D008085:Lipreading; D008297:Male; D008875:Middle Aged; D010556:Personality Tests; D011581:Psychological Tests; D011584:Psychology; D012119:Respiration; D013060:Speech; D014831:Voice