chap 4 Flashcards
What type of display is commonly used in AAC systems?
Grid-type displays (except for visual scene displays).
What factors should be considered when designing a symbol grid?
- Communication and cognitive skills
- Visual acuity
- Sensory system used
- Motor control
What elements are organized in a symbol grid?
- Order of words
- Symbol size
- Number of symbols
- Display type
- Symbol type
How are symbols organized in a semantic-syntactic display?
By word type and syntactic structure (e.g., Subject-Object-Predicate).
Who benefits from this type of display ( taxinomic )?
- Adults with strong language skills (e.g., ALS patients).
- Language learners who have reached a “language for learning” level.
How are symbols organized in a taxonomic grouping?
By semantic category (e.g., people, places, emotions, actions).
Who benefits from this type of display ( grid display ( semantic-syntax ) )?
- Typically useful for children aged 6-7+.
- May increase cognitive load for people with aphasia.
How are symbols organized in an Activity Grid Display?
By event layouts, routines, or specific activities.
What are the benefits of this type of display ( grid display )?
- Encourages multi-word combinations.
- Helps users participate in conversations.
How do Context-Based Displays differ from Activity Grid Displays?
They are designed for broader, more generalizable contexts rather than just specific activities.
Why is vocabulary selection important in AAC?
- Affects communication effectiveness.
- Reduces the likelihood of AAC system abandonment.
What should be considered when selecting vocabulary?
- Personal preferences
- Social, academic, medical, and professional settings
- Cultural and linguistic factors
What makes an AAC vocabulary “robust”?
- Reflects what the user wants to say, not just what others assume.
- Includes a wide variety of symbols for growth and independence.
What is core vocabulary?
- 80-85% of daily communication.
- Consists of high-frequency words:
Pronouns
Verbs
Adjectives
Prepositions
What is fringe vocabulary?
- 20% of vocabulary.
- Used for specific events and topics.
- Mostly consists of nouns.
Why is core vocabulary important?
It allows users to communicate across different situations, rather than just naming objects.
