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CPACC Body of Knowledge > Categories and Characteristics of Disabilities and Associated Barriers (ICT and Physical World) > Flashcards

Categories and Characteristics of Disabilities and Associated Barriers (ICT and Physical World) Flashcards

1. Name the main categories of disabilities. 2. Classify specific conditions under the appropriate disability category or categories. 3. Describe the accessibility challenges faced by people with disabilities of a given category.

1
Q

What are the main categories of disabilities?

A

Visual, Auditory, Deaf-blindness, Speech, Compound

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2
Q

What is a visual disability?

A
  • Sensory disability
  • Can range from partial vision loss, loss of visual acuity (increased or decreased sensitivity to specific or bright colors) to complete or uncorrectable loss of vision in one or both eyes.
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3
Q

What is blindness?

A
  • Nearly complete loss of vision
  • Some cannot see anything
  • Some can perceive light vs dark or the general shapes of large objects
  • Some cannot read text or recognize people by sight
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4
Q

Globally, how many people have a visual disability?

A
  • At least 2.2 billion
  • At least 1 billion have a vision impairment that could have been prevented or hasn’t been addressed
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5
Q

Globally, what are the leading causes of vision impairment?

A
  • Uncorrected refractive errors
  • Cataracts
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6
Q

How old are the majority of people with vision impairments?

A

Over 50 years of age

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7
Q

What is Color Blindness?

A
  • Sensory disability
  • Impairs ability to distinguish between certain color combinations
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8
Q

What are the most common forms of color blindness, and who is most affected?

A
  • Difficulty or inability to distinguish reds and greens
  • Males are most affected (1 in every 12 males)
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9
Q

Do all kinds of color blindness equally effect all genders?

A
  • No
  • Blue-yellow color vision defects affect all genders equally
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10
Q

What is Low Vision?

A
  • Uncorrectable vision loss that interferes with daily activities
  • Is “not enough vision to do whatever it is you need to do,” which varies from person to person
  • Cannot be corrected with regular glasses, contact lenses, medicine, or surgery
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11
Q

What are some characteristics of people with Low Vision?

A
  • May need magnification to read or discern details
  • May experience low contrast, so benefit from high contrast content
  • May experience color deficiencies, being unable to distinguish between certain colors.
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12
Q

How many people worldwide have Low Vision?

A
  • About 246 million
  • 3.5% of the world’s population
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13
Q

What percent of people with vision impairments live in low income settings?

A

About 90%

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14
Q

What are some barriers for people with Visual Disabilities?

A
  • Print materials not made available digitally or in braille
  • Speakers who don’t provide descriptions to help with visually conveyed information
  • Lack of text alternatives for images, controls, and other elements on web sites
  • Web sites that cannot be resized without information loss, or cannot be resized at all
  • Missing visual navigational aids
  • Videos without text or audio alternatives, such as an audio-description track
  • Inconsistent or complicated navigation and page functions
  • Insufficient visual contrast in content
  • Lack of support for color customization
  • Lack of full keyboard support
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15
Q

What are auditory disabilities?

A
  • Sensory disabilities
  • Range from partial to complete hearing loss
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16
Q

What is Deafness?

A

Total or near total loss of hearing

17
Q

What are some characteristics or people who are deaf?

A
  • Difficulty with sounds
  • Many, but not all, know sign language
  • Sign language may be their first/native language
  • May be uncomfortable reading text
  • Those who lose hearing later in life may be more comfortable with text than sign language
18
Q

What does it mean to be Hard of Hearing (HOH)?

A
  • Have hearing loss ranging from mild to severe, who still have some useful hearing
  • May communicate with sign language, spoken language, or both
  • Most have hearing aids
19
Q

What are some common characteristics of people who are Hard of Hearing?

A
  • Have partially-impaired hearing in one or both ears
  • May be enough residual hearing for an auditory device (such as a hearing aid) to provide enough assistance to process speech
  • Has difficulty with sounds
20
Q

Globally, how many people are estimated to be deaf or hard of hearing?

A
  • 466 million people
  • 6.1% of the world’s population
21
Q

What is an Central Auditory Processing Disorder (APD)?

A
  • Greater than expected difficulty hearing and understanding speech even though no measurable hearing loss exists.
  • The inability to interpret, organize, or analyze what is heard.
  • Often confused with other disorders like ADHD, language impairment, learning disabilities, social and emotional delays or cognitive deficits.
22
Q

What are some common characteristics of people with Auditory Processing Disorders?

A

May have difficulty:
- Locating source of sounds
- Understanding what someone is saying in a loud environment or if there are competing sounds
- Following spoken directions
- Learning songs or instruments
- Paying attention
- Responding in a timely way
- Learning a new language
-

23
Q

Globally, how many people are estimated to have an Auditory Processing Disorder?

A

5%

24
Q

What are some barriers for people with auditory disabilities?

A
  • People speaking softly or in large spaces without amplification
  • Unavailability of sign language interpretation
  • Environments that are loud or present competing sounds
  • Requirement of voice for interaction
  • Requirement of listening for understanding
  • Audio in films or videos without captions or transcripts
25
Q

What is Deaf-blindness?

A
  • Sensory disability
  • Includes both deafness and blindness
  • Most people who are deafblind are not completely deaf or completely blind
  • Very rare
  • Requires touch to communicate
26
Q

What are some common characteristics of Deaf-blindness?

A
  • Experiences all characteristics of deafness and blindness
  • Sensory input is limited to touch, smell, and taste
  • Touch is the only viable method for complex communication
  • Must learn braille for text
  • Must learn sign language for conversations (feels the hands of the signing person in the conversation)
27
Q

Globally, how many people are estimated to have Deaf-blindness?

A

Between 0.2% and 2%

28
Q

What are some barriers for people with Deaf-blindness?

A
  • Lack of braille alternatives to printed text
  • Lack of braille output from web sites
  • Lack of transcripts of video/audio that can be made available in braille
  • Lack of tactile sign language interpretation
29
Q

What are speech disabilities?

A
  • Can range from mild slurred speech to the inability to move the mouth to speak
  • Physical inability to speak may be completely unrelated to language capabilities
  • May be caused by or a side-effect of other disabilities
  • Speech may improve, remain stable, or worsen over time
30
Q

What is an Articulation speech disorder?

A
  • Difficulties producing specific types of sounds

Often involve:
- Substitution of one sounds for another
- Slurring speech
- Indistinct speech

31
Q

What are the three categories of articulation speech disorders?

A
  • Speech sound disorder: When mistakes continue past a certain age
  • Phonological process disorder: When there are patterns of not saying words correctly
  • Motor speech disorder: When a person has trouble moving muscles required to talk
32
Q

What are some common characteristics of people with articulation speech disorders?

A
  • Leaving off sounds from words
  • Adding sounds to words
  • Distorting sounds in words
  • Swapping sounds in words
33
Q

How prevalent are speech sound disorders in young children?

A
  • 8-9%
  • 5% of children by the first grade have noticeable speech disorders
34
Q

What is Aphasia (speech disorder)?

A
  • Impairment of language
  • Affects the production or comprehension of speech and the ability to read or write
  • Always due to brain injury, most commonly from a stroke
  • More common in older individuals
35
Q

What are some common characteristics of people with Aphasia?

A
  • May be unable to recognize words or understand what is being said
  • May be unable to speak or have difficulty saying what they mean
  • May have difficulty forming sentences and omitting words
36
Q

In the USA, how many people are estimated to have Aphasia?

A

At least 2 million people

37
Q

What does it mean to have No Speech (speech disorder)?

A
  • AKA mutism
  • Inability to speak

Caused by:
- Brain damage
- Speech muscle damage
- Emotional/psychological reasons
- Combination of causes

CPACC Body of Knowledge (15 decks)

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