chap 14

unilateral
hearing loss in one ear
bilateral
hearing loss in both ears
hard of hearing
has a hearing loss in the 20-70dB range, benefits from amplication, communicates through speaking
congenital deafness
hearing loss present at birth
deaf community
group of individuals who are deaf, share a culture, attitudes, set of beliefs and use sign language
audition
the hearing process
hertz
named in honor of heinrich hertz, what frequeny is ,measured in
decibels
loudness is measured in
american sign launguage
most widely used sign language amoung deaf adults in north america
finger spelling
uses hand representation for all 26 letters of the alphabet
total or simultaneous communication
combines as many sources of info as possible: simultaneous communication, sign and spoken language, support for residual hearing
hearing aids
amplify sound but do not correct hearing, they make sound louder but not neccesarily clearer