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Deafness (little to no hearing) is distinguished from partial hearing loss or damage (such as tinnitus), which is less severe impairment in one or both sides. The definition of deafness varies across countries, cultures, and time, though the World Health Organization classes profound hearing loss as the failure to hear a sound of 90 decibels or ...
In contrast, the World Federation of the Deaf, in their statement on deaf people’s right to drive, said, “It is a well-known fact; deaf drivers have been involved in car accidents less than ...
At five months of age, O'Neil contracted simultaneous childhood diseases, [nb 1] [15] losing her hearing. After her deafness became apparent at the age of two, her mother taught her lip-reading and speech, eventually becoming a speech therapist and co-founding a school for students with hearing impairment in Wichita Falls, Texas .
An introduction to Deaf culture in American Sign Language (ASL) with English subtitles available. Deaf culture is the set of social beliefs, behaviors, art, literary traditions, history, values, and shared institutions of communities that are influenced by deafness and which use sign languages as the main means of communication.
Sign language is the most important instrument for communication between deaf people and the Deaf culture. Using sign language deaf people can join social networks, local and globally, which join the Deaf culture together. Sign Language is a loose term for people that are deaf or hard of hearing and use signs to communicate.
Poliakoff was a renowned inventor of electrical devices [7] whose many inventions included a selenium photograph telephony shutter in 1899 (US patent 700,083, 13 May 1902), [8] [9] which, along with electrical sound amplification, allowed for synchronized audio on film, the radio volume control, a magnetic induction loop that allowed hearing ...
Healthy hearing and hard of hearing. Hearing people may use the term hearing-impaired, perhaps thinking it is more polite than deaf, but Deaf people tend to reject it, for a variety of reasons. It is more likely to be used for people with a mild or moderate hearing loss or for people who have acquired deafness in adulthood rather than by those ...
NOVA explores the different means by which hearing-impaired people have learned to penetrate the world of the hearing by visiting with Kitty O'Neil—a woman record-holding speed car racer; Frances Parsons, an advocate of hearing-impaired persons' rights; and workers at Silent Industries—a factory in Los Angeles founded by a deaf man.