12 Questions
At what age do typically developing children begin to understand that pictures can stand for objects or concepts?
3 years
What is the term used to describe the ability to perceive, interpret, understand, and use pictures communicatively?
Pictorial competence
Does the degree of iconicity facilitate meaning in 18-month-olds?
No
When do children begin to comprehend and use a variety of symbol types?
Around age 5
What is an example of a low-tech AAC option that can be used with pointing without contact?
A communication board
What are the two primary motor requirements for using light pointing or optical sensors?
The ability to direct the light beam and maintain direction for a prescribed period of time
What is the purpose of a head tracker in infrared technology?
To control the cursor on a computer screen
What must individuals have in order to use light pointers and optical sensors accurately and efficiently?
Head control without excessive tremor or extraneous movements
What technology can individuals use to make selections without direct physical contact?
Sonar
What is the sensor used in AAC referred to as?
Head tracker
Where is the sensor for AAC usually mounted?
On the forehead or eyeglasses
What type of movements control the cursor on the computer screen for AAC?
Fine head movements
"Test Your Knowledge on Symbol Understanding and Developmental Age" - Take this quiz to learn about the impact of developmental age on symbol understanding, specifically with regard to graphic symbols. Explore research findings on how iconicity affects meaning in young children and see if you can answer questions on this fascinating topic. Keywords: symbol understanding, developmental age, graphic symbols, iconicity, research findings.
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