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Senses of hearing

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nazargul nazka

on 29 November 2013

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Transcript of Senses of hearing

Audiometer
Sense of hearing
An audiometer is a machine used for evaluating hearing loss. Audiometers are standard equipment at ENT (ear, nose, throat) clinics and in audiology centers.
Hearing screening
Procedure: Place the headphones on the table facing the child with the audiometer set at
2000 Hz and the maximum level to insure the tone is audible.
Screener holds the toy near their own ear, assumes a “listening” attitude and
presents the tone. Indicate through facial expression that the sound was heard
and then drops the toy in a pail. This may be repeated as often as necessary
until the child shows interest.

Screener offers the toy to the child and places their hand on the child’s to guide
the first responses. Encourage the child to wait until the sound is heard. When
the child appears ready, present the sound and guide the child’s hand to put the
toy in the container. Child may give consistent responses after only one
demonstration or may need several to respond on their own. Demonstrate first
without and then with the headset on.
Reward the child with praise after the initial responses. If this is not effective, a
tangible reward, like a sticker or food, may be given.
An audiogram is a graph that shows the audible threshold for standardized frequencies as measured by an audiometer.
The Y axis represents intensity measured in decibels
the X axis represents frequency measured in Hertz
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