Chapter 11: Deaf or HOH

Question 1

Physiological definition for Deaf + HoH

Answer 1

Deaf = cannot hear 90db or higher.

HoH = cannot hear below 90db

Question 2

Educational definition of Deaf + HoH

Answer 2

Deaf = Cannot hear, with or without a hearing aid

HoH = Needs a hearing aid.

Question 3

Congenitally Deaf

Answer 3

= deaf from birth

Question 4

Prelingual deaf

Answer 4

= deaf post-birth

Question 5

Hearing Threshhold (with Decibles):

Mild

Moderate

Mod-Severe

Severe

Profound

Answer 5

Mild 26-40db

Moderate 41-55db

Mod-Severe 56-70db

Severe 71-90db

Profound 91db

Question 6

Prevalence of hearing impairment of school age children

Answer 6

0.10%

Question 7

When is sound normally painful?

Answer 7

125 db +

Question 8

Audiometric Zero

Answer 8

The lowest level at which a person with normal hearing can perceive sound.

Question 9

Hertz

• What is it?
• What frequencies can we hear?
• What hz is speech?

Answer 9

• The pitch of vibration (1 hz = 1 second cycle)
• We hear range 20-20,000hz
• Speech is approx. 500-2000hz

Question 10

Otacoustic Emissions

Answer 10

-To determine how well the cochlea is functioning

Question 11

Pure Tone Audiometry

• What is it
• What does it find

Answer 11

• Establishes a person’s threshhold for hearing different hz
• Pure tone threshold = softest sound must be audible at least 50% of the time

Question 12

What is the hearing process?

Answer 12

The transformation of acoustic energy into mechanical energy, into neural energy

Question 13

Where is the choclea? (inner/middle/outer ear)

Answer 13

Inner Ear

Question 14

Conductive Hearing Impairment

Answer 14

-Loss that interferes with the transer of sound along the middle/outer ear’s conductive pathway

Question 15

What is ensorineural Hearing Impairment

Answer 15

• Loss from the inner ear

- More serious

Question 16

3 components of Sign Languages?

Answer 16

1. Hand shape
2. Body Location
3. Movement attached

Question 17

IQ vs Academic Achievement of children with hearing impairment?

Answer 17

Normal IQ, but significantly worse academic achievement.

*Exception = deaf children coming from deaf homes.

Question 18

6 Features of (D)eaf culture

Answer 18

1. Linguistic differentiation
2. Attitudinal deafness
3. Behavioral norms
4. Endogamous marriage patterns
5. Historical awareness
6. Voluntary organizational networks

Question 19

Deaf Activism: 3 current examples

Answer 19

1. Gallaudet Experience
2. Cochlear Implant debate
3. Genetic Engineering Debate

Question 20

Total Communication method of Education for HoH/ Deaf Children?

Answer 20

• Combo of oral and manual

- However is different than ASL and can be slow and awkward so decreasing in popularity

Question 21

How many deaf children having hearing parents?

Answer 21

95%

Question 22

What % of deaf parents give birth to hearing children?

Answer 22

90%

Question 23

Where is the auricle and what is its purpose?

Answer 23

It is the protruding portion of the outer ear that collects and funnels sound

Question 24

The outer ear consists of the ________ and ____________

Answer 24

Auricle; external auditory canal

Question 25

The symphonic membrane is another term for the ___________

Answer 25

eardrum the boundary between outer and middle ear

Question 26

The 3 ossicles of the middle ear are _____, _____, and _______

Answer 26

Malleus (hammer), incus (anvil), stapes (stirrup)

Question 27

The _______ is the link between the middle and inner ear

Answer 27

Oval window

Question 28

What are the 2 functional divisions of the inner ear?

Answer 28

Vestibular mechanism - responsible for sense of balance Cochlea - concerns mechanical action into electrical signal for hearing

Question 29

What is the 1-3-6 rule?

Answer 29

It is the screening times for babies - If babies have signs of hearing impairment they move to the next screening phase (1, 3, and 6 months)

Question 30

What are the 3 main classifications of hearing impairment causes?

Answer 30

Conductive hearing impairment Sensorineural hearing impairment Mixed hearing impairment

Question 31

What is otitis media?

Answer 31

A middle ear infection that 80% of children are diagnosis with before the age of 10

Question 32

_____________ gene mutation is the common common cause of congenital deafness

Answer 32

connexin-26

Question 33

_______________ is the most frequent non genetic cause of deafness in children

Answer 33

Congenital cytomegalovirus (CMV) - a herpes virus

Question 34

children who use sign language are able to reach the same developmental milestones as children who hear do but in SL True or False

Answer 34

True - they also do it at about the same time

Question 35

The _______ side of the brain is responsible for language acquisition as well as SL acquisition

Answer 35

Left

Question 36

Deaf children who have deaf parents have higher academic achievement True or False

Answer 36

True

Question 37

Which 2 factors influence whether or not deaf students are isolated?

Answer 37

Inclusion - whether or not they have strategic grouping during school Hearing status of parents - Deaf parents are likely to have their children socialized with other deaf people from an early age

Question 38

___________ debate is the controversy over whether the goal of instructions would be to teach deaf children to speak or to teach them SL

Answer 38

oralism-manualism debate

Question 39

What is the difference between the auditory-verbal approach and the auditory-oral approach?

Answer 39

A-V Approach focuses on audition to improve speech language- attempts to rely on residual hearing A-O Approach also stresses the use of visual cues such as speechreading or cued speech

Question 40

What type of hearing aid is worn for the most severe hearing impairments?

Answer 40

Behind the ear

Question 41

hearing aids make distorted sounds more clear True or False

Answer 41

False - they can only make sounds louder