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Causes of being deaf and auditory innovations - Coggle Diagram
Causes of being deaf and auditory innovations
Deaf people label people who can hear as "hearing".
They also refer to places populated by people who can hear as "hearing world"
fast food drive throughs , intercoms and Siri in phones are for the "hearing world"
Hearing Levels
Deaf people are required to submit audiograms for the Deaflympics ; they receive benefits or be eligible for admission at a deaf school or program.
Some deaf people can speak and others can understand speech. I have a friends whos mother understands speech through reading lips.
Prelingual is going deaf before learning a language.
Postlingual is going deaf after learning a language. These people have memories of hearing or speaking.
Reading lips is the most ineffective means of
communication with a deaf person.
Hard of hearing people vary in how much they can hear or understand in general. Some hear men and women differently due to frequencies.
Around 48 million people have a hard time hearing.
These people are referred to audiologist (people who specialize in hearing)
Audiologist detect hearing levels and propose different accommodations.
Changes in hearing levels
Sensorineural loss
Problems inside the ear or
with the auditory nerve,
Conductive Loss
Problems in the outer and
middle ear
Acquired Loss
Hearing loss after birth, e.g.
meningitis, fetal alcohol syndrome, aging
Congenital Loss
Hearing loss before/at birth
Genetic Causes
Inherited genes or gene mutations cause 50% of the babies to be born deaf or become deaf later on.
Scientists have identified over 400 different genes.
2/3 of the genes are nonsyndromic
1/3 include additional disabilities such as
progressive blindness or pigment abnormalities