Cochlear prosthesis
Most deafness:
SENSORI-NEURAL
hearing loss.
Primarily from loss of
cochlear hair cells, which
do not regenerate.
Hearing loss means
problems with language
acquisition in kids, social
isolation for adults.
When auditory nerve
unaffected: cochlear
prosthesis electrically
stimulating nerve at
correct tonotopic site.
PNS Fig 30-18