C_S_D 4340 Lecture Notes - Lecture 19: Cochlear Implant, Hearing Aid, Open Set
Document Summary
Impact and issues associated with severe to profound. 42% of the severe to profound hearing loss population, between the ages of. Over half of the severe to profound hearing loss population have family incomes of less than ,000: statistical data indicates that most of the severe to profound hearing impaired population are, on average, poorer than other. Americans: more than half (53%) of the severely to profoundly hearing impaired population have family incomes of less than ,000 as compared to 36% of the general population. Cochlear implantation why: make conversational level speech audible in cases when not possible with hearing aids. General criteria: healthy enough to undergo surgery, no upper age limitations for adults. Lower age limitation of 12 months for children: < 12 months if special case, onset of hearing loss may be prelingual as well as postlingual, meets audiological criteria for chosen device. Based on ability to understand words in isolation or sentences when possible.
