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H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
Aided Symbols
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Use of something outside ones own body
(objects, photos, line drawings) |
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Unaided Symbols
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Do not use anything external to ones own body
(speech, gestures, signs, movements) |
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Types of Selection Displays
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Fixed
Dynamic Hybrid |
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Fixed Display
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Any device where the symbols are fixed in a specific location
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Dynamic display
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Computer screen displays that automatically change when the individual selects a set
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Hybrid Displays
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Electronic fixed displays with a dynamic component such as indicator lights to tell individual which items are available for selection
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Selection Techniques
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Direct Selection
Indirect Selection |
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Direct Selection
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Indicates the desired item directly from the device
Physical Pressure, Physical contact Pointing, eye gaze |
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Indirect Selection
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Scanning - for those individuals who are unable to directly select from the selection set - due to lack of motor control
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Scanning Patterns
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Linear
Circular Group Item |
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Circular Scanning
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Least complicated - placed items in a circle and scans them electronically
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Linear Scanning
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Light moves across each row (item by item) until desired item is selected.
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Group Item Scanning
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A group of items is selected then each item in the group is eliminated until choice is made
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Synthesized Speech
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Produced from stored within the speech generating device
Text to speech, digitized speech, combination of each |
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Text-to-Speech
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Written message transferred into synthesized speech by an electronic device
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Digitized Speech
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Natural speech that has been recorded or stored and repordced
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Combination (text-to-speech and digitized)
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converts text entered through keyboard to speech with intonation, stress and duration - results in fairly natural sounding speech.
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Participation Model Assessment
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Guides AAC decision making process
Clinicians consider: interactions among the person who requires AAC, the activity to be completed and context which activity is performed |
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Access Barriers
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Capabilities, attitudes and resource limitations of individuals who use AAC - these barriers interfere with their participation
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Opportunity Barriers
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Practice Barriers
Knowledge barriers Skill barriers Attitude bariers |
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Practice Barriers
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procedures common in family, school or workplace that contradict official policies
ex: Principal does not allow AAC device to go home on weekends eventhough in IEP. |
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Knowledge barriers
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lack of information on the part of someone other than the person using AAC
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Skill barriers
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team members have trouble with the implementation of the AAC intervention plan
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attitude barriers
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attitudes that restrict or prevent communication participation - culture of service delivery agency may not promote AAC
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