Iconicity and Developmental Age

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Questions and Answers

At what age do typically developing children begin to understand that pictures can stand for objects or concepts?

  • 3 years (correct)
  • 18 months
  • 5 years
  • 2 years

What is the term used to describe the ability to perceive, interpret, understand, and use pictures communicatively?

  • Iconicity
  • Symbolic development
  • Dual representation
  • Pictorial competence (correct)

Does the degree of iconicity facilitate meaning in 18-month-olds?

  • Cannot be determined
  • No (correct)
  • Yes
  • Not mentioned

When do children begin to comprehend and use a variety of symbol types?

<p>Around age 5 (D)</p> Signup and view all the answers

What is an example of a low-tech AAC option that can be used with pointing without contact?

<p>A communication board (C)</p> Signup and view all the answers

What are the two primary motor requirements for using light pointing or optical sensors?

<p>The ability to direct the light beam and maintain direction for a prescribed period of time (B)</p> Signup and view all the answers

What is the purpose of a head tracker in infrared technology?

<p>To control the cursor on a computer screen (D)</p> Signup and view all the answers

What must individuals have in order to use light pointers and optical sensors accurately and efficiently?

<p>Head control without excessive tremor or extraneous movements (C)</p> Signup and view all the answers

What technology can individuals use to make selections without direct physical contact?

<p>Sonar (B)</p> Signup and view all the answers

What is the sensor used in AAC referred to as?

<p>Head tracker (B)</p> Signup and view all the answers

Where is the sensor for AAC usually mounted?

<p>On the forehead or eyeglasses (B)</p> Signup and view all the answers

What type of movements control the cursor on the computer screen for AAC?

<p>Fine head movements (B)</p> Signup and view all the answers

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