2. Hearing
1. Sound waves out in the air
travel to the pinna and enter
the ear
2. Sound waves travel
through the ear canal to the
middle of the ear.
3. Sound waves reach the
inner ear by the eardrum and
the ossicles
4. Sound waves are sent to
the auditory nerve and reach
the brain.
3. Common Types of Hearing
Impairments
Conductive Hearing Loss
Still hear, but the sound levels seem lower
Sensorineural Hearing Loss
Still hear, but have trouble hearing clearly, understanding speech, and interpreting various
sounds
Auditory Neuropathy Spectrum Disorder
Involves the disorganization of the sound transmission from the inner ear to the brain
Central Hearing Loss
Less frequent type and more difficult to treat
Auditory Processing Disorders
Can most often hear well in a quiet environment
4. A Hearing Aid
A Hearing Aid is...
“A device that helps to
amplify and process sound so
that a person can hear what’s
going on around them in the
most natural way possible.”
Hearing Aid Parts
Microphone
Amplifier
Receiver
Battery
5. Behind-The-Ear
(BTE)
Most common type
Best choice if a person
has severe hearing loss
or for children
Manual controls for
volume and program
change are placed on the
top side of the aid
6. In The Ear (ITE)
or Full Shell
Best choice if a person
has a mild to severe
hearing loss
Not recommended for
children
Comes with optional user
controls for program and
volume change on the
outside shell plate
7. In The Canal (CIC)
or Half-Shell
Smallest Model
Best choice if a person
has a moderate to mild
hearing loss
Works automatically
8. Receiver In The Canal (RIC)
Newer in development
Best choice if a person
has a mild to severe
hearing loss
Works fully automatically
9. Cochlear Implants
A person might try after
trying a hearing aid
Sends signals directly to
the brain
Can allow people to hear
who have never been
able to hear before, but
there are concerning
factors
10. A Hearing Impairment In The
Classroom
Classroom Environment
Accommodations
Let the student find the
best place for them to sit
Show movies that have
captions
Teacher
Accommodations
Use an overhead
projector
Incorporating visual aids
Have rugs or carpet
Do not repeat single
words
Collaborate with the
interpreter/transliterator
Stand still while talking
