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Hearing Levels - Coggle Diagram
Hearing Levels
Audiograms
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Is the chart that measures sound from 0 to 120 decibels (dB) and pitch from 125 to 8000 cycles per second.
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hearing levels can start from -10 to 15 dB been normal and goes all to 91+ dB for Profund hearing lose.
Facts
Approximately 48 million Americans have difficulty hearing according to the CHC Center for Hearing and Communication.
hearing impaired is used to describe people with different type of hearing loss. (No embrace by Deaf people)
Read lips is not as effective as may sound because many sounds in the English Language have similar or same lip gesture.
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Heard of hearing are people who have slight to moderate hearing loss. They benefit from hearing aids and other assistant hearing devices.
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There are two categories: hearing loss before/at birth called Congenital loss and after birth called Acquired loss.
Acquired loss
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Examples of external factors: Meningitis, premature birth, fetal alcohol syndrome or simply becoming elderly.
Congenital loss
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2/3 of "deaf" genes ae nonsyndromic, these genes only cause the person to become deaf withouf any other physical change
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Specialists
Audiologist works in the field of Audiology; they specialize in detecting hearing levels and proposing accommodations.
Their job is to evaluate and measure the degree, type and configuration of the hearing levels through diverse tests
tests: Physical examination, tests of hearing and listening and tests of the middle ear function.
Process of analysis; Observation for malformation in the outer ear. Then, with an otoscope, examine the ear canal and eardrum to see any excessive earwax of objects that may obstruct the canal. Then it would examine the condition of the eardrum and note any excess fluid. Then a test of hearing tones or pure-tone audiometry.
Tests to examine speeech reception threshold. Testing the quiest speech that can be heard part of the time
Other tests may be administered to examine the functioning of the outer and middle ear called acoustic immittance measures. this tests can detect blackage inside the ear canal fluid in middle ear or puncture in the eardrum